Monitors / Compare

Acer KB242Y G0bi vs Dell 27 Plus 4K USB-C Monitor S2725QC

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Product A: Acer

KB242Y G0bi

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B

Product B: Dell

27 Plus 4K USB-C Monitor S2725QC

96 of 172 known

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Every value links to where we found it.

Only differences

AAcer KB242Y G0bi

BDell 27 Plus 4K USB-C Monitor S2725QC

General

3 of 8 differ

Series

KB21Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Page breadcrumb Monitors, Essential, KB2.

Dell Plus1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

KB242Y G0bi, KB242Y G0, UM.QK2AA.003, UM.QK2EE.0031Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Page header: Model KB242Y G0, Part UM.QK2AA.003. The page heading also reads KB242Y G0bi.3Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026Acer UK page titled KB2 - KB242Y G0 Tech Specs, part UM.QK2EE.003. Acer blocks automated fetching, so the page text was first read through a search tool and then confirmed in Arni's Chrome on 2026-10-21.

S2725QC, S2725QCb, 210-BRNC, W2FG21Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Exact retained US S2725QC reference uses original Dell part 210-BRNC and maker part W2FG2. Current redirected US store still names S2725QC/W2FG2 but uses a generic offer identifier F0j8m4. That identifier is not treated as proof of a hardware revision. Regulatory model S2725QCb comes from the exact manual.

GTIN / EAN

19513325934710Spec databaseupcitemdb.com/upc/195133259347Read 21 October 2026UPCitemdb lists UPC 195133259347 (EAN-13 0195133259347) for 23.8" Acer KB2 Essential Monitor - KB242Y G0BI, seen at the Acer Online Store. A search for part UM.QK2AA.003 returns the same UPC. The check digit is valid. This is the US part only, and no EAN for the UK part UM.QK2EE.003 was found.

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AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

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Status

Available2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Acer store page lists the monitor at 129.99 USD and In stock on the archived copy of 2026-03-09. ProductChart shows 79.99 USD at Amazon on 2026-10-20.6Spec databaseproductchart.com/monitors/51566Read 20 October 2026Price shown 79.99 USD at Amazon as of 2026-10-20.

Available1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Released model with a current US Dell listing. This is lifecycle availability, not a claim about current stock or a working purchase button.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

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SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

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Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

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Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

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MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US, GB, EU1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026US part number UM.QK2AA.003 with a US power cord.3Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026UK part number UM.QK2EE.003.4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026EU market per the EPREL entry.

US1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026

ColoursiThe maker's own colour names

Black2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Physical Characteristics Color: Black.

Ash White1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026

SegmentiFrom the maker's own product category. Office also covers home and everyday monitors.

Office1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Sold in the Acer Essential monitor line, KB2 series. Stored as office.

Office1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Maker positions Dell Plus for work, entertainment and everyday productivity. Retained office segment excludes the separate Alienware gaming range.

Display

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Screen sizeiDiagonal in inches exactly as the maker advertises it. A class size and the viewable diagonal can differ.

23.8in(60.5 cm)1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Viewable Screen Size 23.8 inch. Screen Size Class 24 inch. The 23.8 inch figure is used because it is also the figure in the product name.

27in(68.6 cm)1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Advertised 27-inch class. Manual separately publishes viewable diagonal 684.7mm, also stated as 27.0 in.

Viewable screen diagonaliDiagonal of the visible image area. This can be smaller than the advertised class size.

23.8in(60.5 cm)1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Viewable Screen Size 23.8 inch.

27in(68.6 cm)2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 7: viewable diagonal 684.7 mm, explicitly also 27.0 in. Advertised class 27 in is separate from the original millimetre reading.

Native resolution

1920 × 1080px2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Screen: 23.8 inch Full HD (1920 x 1080). Screen Resolution 1920 x 1080. Acer blocks automated fetching, so the text was read from the Internet Archive copy of 2026-03-09.4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Screen resolution 1 920 x 1 080 pixels.

3840 × 2160px1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026

Aspect ratio

16:91Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Aspect Ratio 16:9. The US spec page gives no resolution, which is on the Acer store page.2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Aspect Ratio 16:9.4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Size ratio 16:9.

16:91Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026

Pixel density

92.6ppi=CalculatedFrom Screen size and Native resolution

163.2ppi=CalculatedFrom Screen size and Native resolution

Pixel pitchiDistance between adjacent pixels. Source notes identify horizontal or vertical pitch if they differ. A horizontal figure about a third of the vertical one is the pitch of one subpixel, not of a pixel, so the pixel figure is stored.

0.275mm3Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026Tech Specs tab, read in Arni's Chrome on 2026-10-21: Pixel Pitch 0.27500 mm. This agrees with a 23.8 inch 1920 x 1080 panel.

0.1554mm2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 7 explicitly lists equal horizontal/vertical pitch 0.1554 mm.

Active display areaiMaker published active-display width and height, excluding the external frame. Source notes distinguish image area from any published shift-reserve area. Dimensions are not inferred from native resolution or rounded pixel pitch.

Width526Height296mm(20.7 × 11.7 in)3Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026UK page lists Active Display Area 526 x 296 mm, read through a search tool. The EPREL visible area of 15.6 dm2 agrees.

Width596.74Height335.66mm(23.5 × 13.2 in)2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 7 explicitly names horizontal 596.74 mm and vertical 335.66 mm active area. Frame and housing dimensions are separate.

Curved

No6Spec databaseproductchart.com/monitors/51566Read 20 October 2026Spec table lists the model as not curved.

No1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Exact product selection says Flat Screen and specifications say Flat Panel.

Curvature radiusiRadius of screen curvature. A published 1800R is 1800 mm.

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Screen surface

Matte1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Screen Surface: Anti-glare.6Spec databaseproductchart.com/monitors/51566Read 20 October 2026Spec table: Matte.8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page lists a matte anti-glare coating.

Matte2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Exact coating is Anti-glare with hard-coating 3H. Matching Les Numériques review explicitly describes a matte surface.

Anti-reflection coating

Anti-glare1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Screen Surface: Anti-glare.8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page lists a matte anti-glare coating.

Anti-glare with hard-coating 3H2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026

Touchscreen

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Panel

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Panel type

IPS2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Panel Technology: In-plane Switching (IPS) Technology. IPS (178 x 178 degrees).

IPS1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026

Panel type (as published)iPanel or technology name as published. This is separate from the normalised panel type.

IPS2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Store headline names the panel IPS.

In-plane Switching (IPS) Technology1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026

BacklightiLayout of the backlight. OLED is none (self-emissive). WLED or LED alone names no layout, so it is left out unless a source states edge-lit or direct-lit.

Not available

Edge-lit LED1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Exact maker Backlight Technology is LED Edgelight System.

Local dimming

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No3Reviewrtings.com/monitor/reviews/dell/s2725qcRead 8 October 2026Public review summary explicitly says the tested 27-inch IPS S2725QC lacks local dimming. Public variant section identifies firmware M3B101 and manufacture February 2025. Current numeric test tables are membership-locked and are not imported.

Dimming zones

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Panel maker

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Panel part number

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Panel generationiGeneration or panel architecture name stated by the source. Brand product generation and panel generation can differ.

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Subpixel layoutiArrangement of the red, green, blue and any white emitters within a pixel. Individual emitter shapes do not establish their arrangement. Marketing names such as Primary RGB Tandem do not prove an RGB stripe layout.

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Colour depthiSupported total colour depth per channel. A stated 8-bit plus FRC implementation is 10 supported bits with FRC, not native 10-bit. A 6-bit plus FRC panel, also called Hi-FRC, is 8 bits with FRC.

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Colour depth methodiNative panel bits or temporal frame rate control. Supported 10-bit input alone does not prove native 10-bit panel depth.

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Displayable colours

16.7 million2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Color Supported: 16.7 million.

1.07 billion1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Maker publishes 1.07 Billion Colors. No physical native panel depth or FRC implementation is inferred from this colour count.

sRGB coverageiPercentage of the sRGB reference gamut covered. Gamut volume is a different measure and is not stored here. Source notes identify the colour-space standard.

99%7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Review lists 99% sRGB colour saturation. The CIE diagram and whether it is coverage or volume are not stated.8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page lists 99% sRGB.9Retailer pageamazon.com/Acer-23-8in-1920x1080-Office-Monitor/dp/B09KG5FW1GRead 20 October 2026Listing title: sRGB 99%. No CIE diagram or method.

99%2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 7 states sRGB 99% CIE 1931 typical. Maker calls it colour gamut without distinguishing area coverage from volume.

DCI-P3 coverageiPercentage of DCI-P3 covered. Do not substitute gamut volume. Source notes identify the CIE reference and any minimum or typical qualifier.

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Adobe RGB coverageiPercentage of Adobe RGB covered. Do not substitute gamut volume.

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Rec. 2020 coverageiPercentage of Rec. 2020 covered. Do not substitute gamut volume.

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NTSC coverageiPercentage of the NTSC reference gamut covered. Source notes identify the reference. Do not substitute gamut volume.

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Factory calibrated

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Claimed Delta EiMaker claim for colour error. Source notes retain a less-than qualifier, the colour space and whether the figure is an average or maximum.

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Paper calibration report in boxiA physical calibration report included in the package. An electronic report in the menu or software does not count as a paper report.

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Hardware calibration supportiCalibration writes to the monitor internal hardware LUT. Ordinary colour controls or a computer ICC profile do not establish this feature.

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Static contrast ratioiPanel native static contrast, without dynamic contrast processing or local dimming. 1000 means 1000:1. Do not store a dynamic contrast claim here.

1,500:13Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026UK page lists Native Contrast Ratio 1,500:1, read through a search tool. ProductChart also lists 1500:1. Acer US lists only the 100,000,000:1 dynamic figure.6Spec databaseproductchart.com/monitors/51566Read 20 October 2026Spec table: Contrast Ratio 1500:1.

1,500:12Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 7 typical native contrast 1500:1, not a dynamic contrast marketing ratio.

Brightness (typical, SDR)iMaker typical SDR white luminance. Source notes state any window size, average picture level and operating mode.

250nits1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Brightness 250 Nit. The conditions are not stated.2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Brightness 250 Nit.

350nits2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 7 explicitly says 350 cd/m² typical. Not an HDR peak or reviewer measurement.

Brightness (maker minimum)iMaker minimum guaranteed brightness specification under its stated conditions. This is not the lowest user-selectable brightness unless the source explicitly says so.

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Peak brightness (HDR)iMaker peak HDR white luminance. The source notes state window size or average picture level, mode and time limit where published.

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HDR peak test windowiPercentage of screen area used for the peak HDR claim. If the maker publishes average picture level instead, source notes identify that distinction.

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Full-screen brightnessiMaker white luminance at 100% screen area or 100% average picture level. Source notes state SDR or HDR and mode.

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HDR formats

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HDR104Measurementlesnumeriques.com/moniteur/dell-s2725qc-p78273/test.htmlRead 8 October 2026Exact S2725QC review explicitly identifies HDR10 compatibility. Current guide explicitly says HLG is unsupported. No Dolby Vision or HDR10+ capability is inferred.

HDR certificationiVESA DisplayHDR certification. None needs a source, such as the maker saying the monitor has no DisplayHDR certification or the model being absent from the VESA list. When no source was checked, it is left out.

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Viewing angle (horizontal)

178°2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Horizontal Viewing Angle 178 degrees.

178°2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 7 typical 178 degrees horizontally.

Viewing angle (vertical)

178°2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Vertical Viewing Angle 178 degrees.

178°2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 7 typical 178 degrees vertically.

Refresh rate and motion

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Refresh rate per resolution and portiHighest accepted rate for each proven resolution, input and operating condition. Preset or supported timing lists alone do not prove a maximum. Keep separate bit-depth, chroma and DSC conditions. Dual-mode or crop-mode requirements belong in source notes. Unknown input stays unknown.

AAcer KB242Y G0bi

Refresh rate per resolution and port. The top rate is in bold.

Resolution	HDMI 1.4	VGA
1920 × 1080Native	120Hz	75Hz

Source2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Standard Refresh Rate: 120Hz Using HDMI Port; 75Hz Using VGA. Bit depth, chroma and DSC are not stated.

BDell 27 Plus 4K USB-C Monitor S2725QC

Refresh rate per resolution and port. The top rate is in bold.

Resolution	HDMI 2.1	USB-C DisplayPort 1.4
3840 × 2160Native	120Hz	120Hz

Source2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Tables 6/7 explicitly state USB-C DP 1.4 Alt Mode maximum 3840x2160 at 120 Hz and both HDMI inputs support up to UHD 3840x2160 at 120 Hz with FRL/HDR/VRR as specified in HDMI 2.1. These maxima do not rely on preset timings alone. USB-C HBR3/DP 1.4 host: High Data Speed enables full video performance and USB data. HBR2/DP 1.2-or-lower hosts can require High Resolution with reduced USB speed. Bit depth, chroma and DSC requirements are not named and remain omitted. Lower-resolution preset rows and the Xbox 1440p 120 incompatibility reported by RTINGS do not establish lower-resolution maxima.9Owner's manualcdn.cs.1worldsync.com/b5/41/b5418c91-9e2c-4b21-9864-cde076c018a3.pdfRead 8 October 2026Original Tables 6/7 also explicitly name USB-C maximum 4K 120 and both HDMI 4K 120 FRL, corroborating current guide. No unproved transport subfields are added.

Max refresh rateiHighest proven accepted rate across the stored modes, including lower-resolution dual modes.

120Hz=CalculatedFrom Refresh rate per resolution and port

120Hz=CalculatedFrom Refresh rate per resolution and port

Max refresh rate at native resolutioniHighest proven accepted rate at the native pixel resolution, across all inputs and stored operating conditions.

120Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

120Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

Max refresh rate over DisplayPortiHighest proven accepted rate over DisplayPort at native resolution. A higher lower-resolution dual mode is separate.

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Max refresh rate over HDMIiHighest proven accepted rate over HDMI at native resolution. Console refresh limits can be lower than PC limits.

120Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

120Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

Max refresh rate over USB-CiHighest proven accepted rate over USB-C or Thunderbolt at native resolution. USB data bandwidth settings can lower the video maximum.

Not available

120Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

Max refresh rate at 10-bitiHighest stored native-resolution mode explicitly proven at 10-bit colour. Rows without bit-depth evidence do not count.

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Native refresh rateiHighest refresh rate the maker rates without overclock. A lower optimum or recommended mode in a manual is not this value.

120Hz2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026120 Hz over HDMI. No overclock mode is described.

120Hz2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Product features state 120 Hz, and exact US page calls 120 Hz Standard Refresh Rate. No overclock claim is made.

Overclocked refresh rate

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Dual modeiA dedicated display mode that changes resolution to raise the maximum refresh rate. Ordinary image scaling or a preset timing does not count.

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Minimum fixed refresh rateiLowest fixed input rate accepted by the monitor. A VRR lower limit or general vertical scan range is not this value.

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Adaptive sync technologiesiExact published adaptive-sync protocol or named certification. Generic Adaptive-Sync support does not prove VESA AdaptiveSync Display certification. Source notes distinguish protocols from certifications.

Adaptive-Sync7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Review lists Adaptive-Sync support (FreeSync Compatible). No FreeSync certification tier is named, so only Adaptive-Sync is stored.8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page lists Adaptive-Sync support, compatible with AMD FreeSync.9Retailer pageamazon.com/Acer-23-8in-1920x1080-Office-Monitor/dp/B09KG5FW1GRead 20 October 2026Listing title: AdaptiveSync (FreeSync Compatible).

FreeSync Premium, HDMI VRR2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Product features explicitly identify AMD FreeSync Premium. Table 7 explicitly identifies HDMI 2.1 VRR support. General 48-120 Hz vertical scan range is not relabelled as a claimed VRR operating range. Generic Adaptive-Sync does not establish VESA certification or NVIDIA certification.

VRR range per portiVariable-refresh-rate operating range for each input and the operating mode named in source notes. A fixed timing or general vertical scan range alone is not a VRR range.

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Low framerate compensation

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Yes7Maker product pageamd.com/en/resources/support-articles/faqs/DH3-013.htmlRead 8 October 2026AMD March 3 2025 primary FreeSync tier documentation explicitly requires LFC for FreeSync Premium. Exact Dell guide certifies S2725QC as FreeSync Premium. Stored capability is the certification claim with a compatible FreeSync GPU/driver, not a measured VRR floor or an NVIDIA certification.

Response time (maker GtG claim)iMaker grey-to-grey pixel transition claim. Source notes state fastest overdrive or other conditions where published.

Not available

4ms2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 7: 4 ms gray-to-gray in Extreme mode, 5 ms Fast, 8 ms Normal. Maker warns that Extreme can introduce noticeable artifacts. Stored 4 ms is the claimed fastest overdrive result, not an average measurement.

Response time (maker MPRT claim)iMaker moving-picture response-time claim, often with strobing enabled. This is not a grey-to-grey transition time.

1ms1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Response Time 1 ms. The Acer store page headlines it as 1 ms. Reviews describe it as Visual Response Boost (VRB), a blur-reduction mode, so it is stored as the MPRT-style figure. No grey-to-grey figure is published.2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Response Time 1 ms. Treated as the VRB figure, see the US page note.

Not available

Overdrive settings

Not available

Normal, Fast, Extreme2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026OSD Display/Response Time section names Normal, Fast and Extreme.

Motion blur reductioniA dedicated blur-reduction feature using backlight strobing or black frame insertion. OLED monitors have no backlight.

Yes8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page describes the 1 ms figure as based on VRB backlight strobing, not native grey-to-grey transitions.

Not available

Blur-reduction technologyiPublished name of the backlight strobing or black frame insertion feature.

Visual Response Boost (VRB)7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Review lists 1ms Visual Response Boost (VRB).8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page names Visual Response Boost (VRB).

Not available

Blur reduction works with VRRiWhether the dedicated strobing or black frame insertion mode can operate at the same time as variable refresh rate.

Not available

Not available

Flicker-free (claimed)

Yes9Retailer pageamazon.com/Acer-23-8in-1920x1080-Office-Monitor/dp/B09KG5FW1GRead 20 October 2026Amazon US listing title: Flickerless Technology. The product image from Acer also says Flicker-free Monitor. Acer's own spec tables do not state it.

Yes2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Product features explicitly claim Flicker-Free technology. This is a maker claim, not a measured proof of no PWM under every setting.

Black frame insertion

Not available

Not available

Measured

3 of 12 differ

Input lag at maximum refresh rateiReviewer total display lag at the monitor highest accepted refresh rate, including a faster dual mode. Native-rate measurements below that maximum and processing-only delay are excluded. Source notes name the rate, resolution and test method.

Not available

4.8ms4Measurementlesnumeriques.com/moniteur/dell-s2725qc-p78273/test.htmlRead 8 October 2026Les Numériques exact 27-inch 4K 120 Hz IPS S2725QC review: 4.8 ms input lag at 120 Hz. Resolution at 120 Hz, input connector, scan position, instrument, picture mode and firmware are not reported. This is the highest refresh rate measured by that review, not a manufacturer response-time claim.

Input lag at 60 HziReviewer total display lag with a fixed 60 Hz input. Processing-only delay is excluded. Source notes name the resolution, mode and test method.

Not available

9ms4Measurementlesnumeriques.com/moniteur/dell-s2725qc-p78273/test.htmlRead 8 October 2026Same independent exact-model review explicitly reports 9 ms at Full HD 1920x1080/60 Hz. Input connector, scan position, instrument, picture mode and firmware are not reported. It is not asserted to be a native 4K 60 test.

Average response time (measured)iReviewer mean grey-to-grey transition time across tested transitions. Source notes state the measurement endpoint, method, refresh rate and overdrive. A single worst transition or an unaveraged settling time does not count.

Not available

Not available

Overshoot (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Contrast ratio (measured)i1000 means 1000:1. Measured by a reviewer

Not available

1,380:14Measurementlesnumeriques.com/moniteur/dell-s2725qc-p78273/test.htmlRead 8 October 2026Les Numériques Image Quality section explicitly reports measured 1380:1 contrast for S2725QC and recommends the onboard sRGB picture preset. Presentation states all luminance/colorimetry measurements use Calibrite Display Plus HL and CalMAN Ultimate. Specific contrast-control setting, brightness and firmware are not reported. No dynamic or local-dimming contrast value is substituted.

SDR brightness (measured)iReviewer measured SDR white luminance. Source notes state picture mode, window size and brightness setting where available.

Not available

Not available

HDR brightness in a real scene (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

PWM flicker frequency (measured)iOnly when the reviewer found PWM flicker

Not available

Not available

VRR range (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Colour accuracy (measured Delta E)iReviewer average colour error before calibration. Source notes name picture mode, reference colour space and Delta E method. Post-calibration results are excluded.

Not available

Not available

Gray uniformity (measured)iDeviation on a 50 % gray screen. Measured by a reviewer

Not available

Not available

Reflections (measured)iTotal reflections. Measured by a reviewer

Not available

Not available

Connectivity

9 of 19 differ

Video inputsiPhysical connectors that accept a display signal. A USB-C data-only charging port is not a video input. Counts exclude USB hubs and audio jacks.

AAcer KB242Y G0bi

Type	Version	Count
HDMI	1.4	1
VGA	Not available	1

Source1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026HDMI: Yes, HDMI Version 1.4, Total Number of HDMI Ports 1, VGA: Yes. Bandwidth, DSC and HDCP are not stated.2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Inputs: HDMI, VGA. HDMI Version 1.4.

BDell 27 Plus 4K USB-C Monitor S2725QC

Type	Version	Count	HDCP
HDMI	2.1	2	2.3
USB-C	DisplayPort 1.4	1	Not available

Source2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Complete Tables 6/7: two HDMI 2.1 inputs with HDCP 1.4 and 2.3, plus one USB-C host-facing DP 1.4 video input. The USB-C downstream charging/data port is not a video input. Electrical Table 12 separately describes HDMI 2.0 TMDS signal voltages, while port specifications explicitly publish HDMI 2.1 FRL support. No raw 48 Gbps bandwidth or DSC setting is inferred.9Owner's manualcdn.cs.1worldsync.com/b5/41/b5418c91-9e2c-4b21-9864-cde076c018a3.pdfRead 8 October 2026Original guide confirms two HDMI 2.1 FRL/HDCP 1.4 and 2.3 inputs plus host USB-C DP 1.4. Hardware specification is stable across the later guide accessory update.

HDMI ports

1=CalculatedFrom Video inputs

2=CalculatedFrom Video inputs

DisplayPort ports

0=CalculatedFrom Video inputs

0=CalculatedFrom Video inputs

Highest HDMI version

1.4=CalculatedFrom Video inputs

2.1=CalculatedFrom Video inputs

Highest DisplayPort version

Not available

Not available

HDMI features

Not available

VRR2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 7 explicitly says HDMI ports support VRR as specified in HDMI 2.1. HDMI-CEC pin assignment is not proof of CEC functionality.

USB-C video (DP Alt Mode)

Not available

Yes2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026

USB-C power deliverediPower the monitor supplies to a connected device. Source notes distinguish guaranteed, maximum and shared dynamic limits. Power consumed by the monitor is separate.

Not available

65W2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Host-facing USB-C up to 65 W. The separate downstream USB-C provides up to 15 W to peripherals and is not counted as another laptop-charging video input. Supplied cable rating is separate from delivered 65 W.

Thunderbolt

Not available

Not available

USB upstream portsiUSB connections from the monitor hub to host computers. Video input and downstream charging ports are separate.

AAcer KB242Y G0bi

Not available

BDell 27 Plus 4K USB-C Monitor S2725QC

Connector	USB version	Count
USB-C	USB 5Gbps	1

Source2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Tables 16-19 and port explanations: one host-facing USB-C 5Gbps upstream link. Hub USB 5Gbps operation requires a capable host and the appropriate USB-C prioritization mode. HDMI alone does not carry the hub data.

USB downstream hub portsiUSB hub connections for peripherals. These exclude host-facing upstream ports. A port the maker names for service or firmware updates only is not counted.

AAcer KB242Y G0bi

Not available

BDell 27 Plus 4K USB-C Monitor S2725QC

Connector	USB version	Count
USB-A	USB 5Gbps	2
USB-C	USB 5Gbps	1

Source2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Complete guide lists two USB-A 5Gbps downstream ports and one USB-C 5Gbps downstream port. One USB-A supports BC1.2. Front pop-out USB-C supports up to 15 W. The upstream port is excluded from this peripheral count.

KVM switch

Not available

No3Reviewrtings.com/monitor/reviews/dell/s2725qcRead 8 October 2026Public comparison with U2725QE explicitly says S2725QC does not have KVM or Thunderbolt. Official public RTINGS video also explicitly says no KVM at 1:58. No higher-end Dell features are inherited.

Daisy chain (MST)

Not available

Not available

Ethernet

Not available

Not available

3.5 mm headphone outputiAnalogue headphone or audio output. A shared four-pole headset jack counts.

No6Spec databaseproductchart.com/monitors/51566Read 20 October 2026Spec table: Headphone out No. Acer lists only HDMI and VGA inputs.

No3Reviewrtings.com/monitor/reviews/dell/s2725qcRead 8 October 2026Public introduction explicitly says no additional audio outputs. Official public RTINGS video explicitly says no audio jack at 2:11. HDMI/USB-C carry digital audio to the built-in speakers, not to a monitor headphone jack.

3.5 mm microphone inputiAnalogue microphone input, including the microphone contacts of a shared four-pole headset jack. This does not imply a separate microphone socket.

Not available

Not available

Optical out

Not available

Not available

Picture in picture

Not available

Not available

Picture by picture

Not available

Not available

Smart features

None of 4 known

Smart platform

Not available

Not available

Wi-Fi

Not available

Not available

Bluetooth

Not available

Not available

Remote control

Not available

Not available

Audio and camera

5 of 5 differ

Speakers

No6Spec databaseproductchart.com/monitors/51566Read 20 October 2026Spec table: Speakers No. Lim Team also says there are no built-in speakers.7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Review of 6 August 2025: lacks built-in speakers.

Yes2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026

Number of speakers

Not available

22Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 7 explicitly names 2 integrated 5 W speakers. These are two physical speaker units, not the number of channels inferred from a surround label.

Speaker power per channeliRated power per speaker or output channel. Do not store the total of all speakers here.

Not available

5W2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 7: each of the two integrated speakers is rated 5 W. RMS/peak classification is not published.

Webcam

Not available

No1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Exact selected model explicitly says Webcam None, and technical specifications say Webcam No.

Microphone

Not available

No4Measurementlesnumeriques.com/moniteur/dell-s2725qc-p78273/test.htmlRead 8 October 2026Exact review Product Details table explicitly states Micro intégré: Non. No built-in microphone. This is a direct hardware statement, separate from EPREL voice-recognition sensor No.

Ergonomics and controls

10 of 15 differ

Stand height adjustmentiVertical travel of the supplied stand. This is not the total height of the monitor.

0mm7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Review cons: limited ergonomic adjustment with only tilt (-5 to 25 degrees).8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page: tilt adjustment only, no height adjustment.

130mm1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Maker adjustment graphic explicitly names 130 mm travel. Rounded 5.12-inch text is not converted to substitute 130.048mm.

TiltiMaximum movement from the neutral position with the supplied stand. Each direction is stored as a positive magnitude.

Forward5°Backward25°2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Tilt Angle -5 to 25 degrees. Stored as 5 forward and 25 backward.7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Review lists tilt adjustment -5 to 25 degrees.

Forward5°Backward21°1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026

SwiveliMaximum movement from the neutral position with the supplied stand. Each direction is stored as a positive magnitude.

Left0°Right0°7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Tilt-only stand, no swivel.8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page: no swivel.

Left30°Right30°1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026

PivotiMaximum movement from the neutral position with the supplied stand. Each direction is stored as a positive magnitude. Pivot is rotation in the screen plane. A small slant adjustment for levelling, as Dell calls it, counts.

Counterclockwise0°Clockwise0°7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Tilt-only stand, no pivot.8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page: no pivot.

Counterclockwise90°Clockwise90°1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Maker publishes+/-90 degrees. Manual separately illustrates clockwise and counterclockwise 90-degree rotation.

Removable stand

Not available

Yes2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026

VESA mount

100 x 1002Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026VESA Mount Compatible: Yes. VESA Mount Standard 100 x 100.6Spec databaseproductchart.com/monitors/51566Read 20 October 2026Spec table: VESA mountable.

100 x 1002Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026

VESA adapter needed

Not available

No2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Guide Wall mounting section instructs direct mounting to built-in 100x100 mm holes using a compatible separately sold wall-mount kit. No monitor-specific adapter is needed. The wall-mount kit itself is not included.

Security lock slot

Yes3Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026Tech Specs tab Features list: On-screen Display (OSD), Navigation Key, VisionCare 1.0, Display Widget, Security Lock. Security Lock is read as a lock slot. The slot type is not named.

Yes2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026

On-screen menu controlsiControls that operate the monitor menu or display settings. Desktop window-layout software alone does not count as menu control.

Not available

Joystick, Software2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Back-view Table 5 explicitly identifies the joystick as the OSD control. The separate power button turns the monitor on/off and is not counted as an additional OSD button. DDPM explicitly supports software adjustment of the monitor OSD. No remote or touch control is inferred.

Desktop software

Display Widget3Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026Tech Specs tab Features list names Display Widget. The software name is stored as Acer prints it.

Dell Display and Peripheral Manager2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Exact guide explicitly names Dell Display and Peripheral Manager for Windows, with supported macOS version subject to compatibility. This is external computer software, not a smart-monitor OS.

User firmware updates

Not available

Not available

Ambient light sensoriPresence of a physical ambient-light sensor. A regulatory statement that Automatic Brightness Control is unavailable does not prove the sensor is absent. Human presence or proximity sensing is separate.

Not available

Not available

Presence sensoriPresence of a person-detection or proximity sensor. Source notes distinguish room presence from near-screen detection. Absence of one kind does not prove absence of every presence sensor.

Not available

No5EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2186109Read 8 October 2026Public exact-model registry explicitly declares presence sensor No. Automatic Brightness Control No is not used to infer absence of an ambient-light sensor. Voice-recognition sensor No is not used to infer absence of every microphone.

RGB lightingiDecorative illumination explicitly described as RGB or documented with selectable red, green and blue colours. A power LED or only one or two fixed colours is insufficient.

Not available

Not available

Gaming menu features

Not available

Dark Stabilizer2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Display menu explicitly names Dark Stabilizer, levels 0-3. No crosshair or frame counter is inferred.

OLED care

None of 3 known

OLED care

Not available

Not available

Burn-in covered by warrantyiWarranty explicitly covers permanent OLED image burn-in. A general panel warranty alone does not prove burn-in coverage.

Not available

Not available

Burn-in warranty length

Not available

Not available

Dimensions and weight

5 of 7 differ

Dimensions with standiOverall monitor dimensions with the supplied stand. Minimum and maximum heights require the stand position to be identified by the source.

Width538.7Height (lowest)424.2Height (highest)424.2Depth184.9mm(21.2 × 16.7 × 7.3 in)2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Published in inches: height with stand 16.7, width with stand 21.21, depth with stand 7.28. Converted exactly and rounded to 0.1 mm. The stand is tilt-only, so lowest and highest heights are equal. Amazon style listings show a depth of 4.53 inch, which Acer does not state. Acer wins.

Width611.54Height (lowest)388.63Height (highest)518.63Depth200.4mm(24.1 × 15.3 to 20.4 × 7.9 in)2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 13 explicitly identifies width 611.54 mm, height 388.63 mm compressed/518.63 mm extended, and depth 200.40 mm with supplied stand. Stand-component heights are not whole monitor heights.

Dimensions without standiOverall monitor body dimensions after the stand is removed, including the frame and rear housing.

Not available

Width611.54Height355.98Depth60mm(24.1 × 14 × 2.4 in)2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 13: body width 611.54 mm, height 355.98 mm, depth 60 mm after stand removal.

Stand footprintiWidth and depth of the stand base on the desk. A maker's stand width and depth count.

Not available

Not available

Weight with standiWeight with the supplied stand. Source notes state if cables are included. Packaging weight is separate.

2.6kg(5.7 lb)2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Published as Weight with Stand (Approximate) 5.73 lbs, which is 2.6 kg. Cables are not stated. Amazon style listings show 7.72 lbs, which Acer does not state. Acer wins.

6.71kg(14.8 lb)2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 13 published 6.71 kg includes supplied stand assembly and cables. Manufacturing variability is noted by the maker.

Weight without standiMonitor body weight without stand. Source notes state whether cables are included.

Not available

4.85kg(10.7 lb)2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 13 published 4.85 kg excludes stand assembly and cables, for VESA/wall-mount considerations.

Box dimensionsiShipping box width, height and depth in the maker published orientation. A flat-packed box can have a smaller height than the upright display.

Not available

Not available

Box weight

Not available

8.9kg(19.6 lb)2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Table 13 weight with packaging 8.90 kg. No guessed box-axis dimensions.

Power

10 of 13 differ

Power supplyiUSB-C powered monitors can draw power from a compatible host or an optional USB-C power source. This does not establish a bundled adapter. Record a supplied adapter and its rating separately.

External adapter4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Power supply type External. Adapter model 1-CHEUB202-158, input 230 V, output 12.0 V. The adapter wattage is not stated.7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Review: relies on an external power brick.

Internal5EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2186109Read 8 October 2026Public exact-model registry explicitly states Internal power supply, corroborating direct AC connection in the guide.

Adapter ratingiRated output power of the external power adapter. Do not substitute the monitor maximum consumption.

Not available

Not available

Input voltage

Not available

100-240 V AC, 50/60 Hz2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026

Power use (typical)iMaker typical operating power under a stated test condition. An unlabeled Power On upper bound does not establish a typical value. EU label test power has separate fields. An ENERGY STAR on-mode (Pon) figure is not a typical value.

Not available

Not available

Power use (max)iMaker maximum operating power. Source notes state whether USB charging and connected-device load are included.

30W3Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026Tech Specs tab: Maximum Power Consumption (Energy Star) 30 W. The 27 inch KB272 G0 page lists the same 30 W. The figure is above the 18 W EPREL SDR on-mode power. Whether USB or other load is included is not stated.

180W2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Electrical Table 12 maximum 180 W at maximum brightness/contrast with maximum load on all USB ports. Includes USB-C charging/peripheral loads, not panel-only power.

Power use SDR (EU label)iSDR on-mode power demand in the EU product information sheet, in watts. It can differ from rounded energy-label kWh per 1000 hours.

18W4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026On mode power demand in SDR 18.0 W.

25.2W5EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2186109Read 8 October 2026Declared EU On-mode SDR 25.2 W. Reference energy-test default refresh is 60 Hz. This is not a measured panel-only 120 Hz gaming-power result.

Power use HDR (EU label)iHDR on-mode power demand in the EU product information sheet, in watts. It can differ from rounded energy-label kWh per 1000 hours.

Not available

36.9W5EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2186109Read 8 October 2026Declared EU On-mode HDR 36.9 W. Not rounded 37 kWh/1000h energy-label wording.

Standby poweriPower in standby or DPMS. Source notes retain any less-than qualifier.

0.5W4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Standby mode power demand 0.5 W. Networked standby not applicable. The Acer UK page lists standby 300 mW, which matches the EPREL off mode figure. EPREL is stored.

0.4W2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Electrical Table 12 standby 0.4 W under the stated EU power-test definitions. Not the broad ≤0.5 W headline.

Off-mode poweriPower when switched off but still connected to mains. Source notes retain any less-than qualifier.

0.3W4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Off mode power demand 0.3 W.

0.3W2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Electrical Table 12 off 0.3 W under stated EU power-test definitions.

EU energy class SDR

E4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Energy class E for SDR. HDR not implemented.

F5EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2186109Read 8 October 2026Exact public EPREL label 2186109 for DELL/S2725QC shows SDR class F. Published label image was read, separate from the ambiguous SVG-letter scale in the web UI.6Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Exact Dell technical table names energy class SDR F under the EU label system effective March 2021. This describes the EU model label, not a US regulatory class.

EU energy class HDR

Not available

G5EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2186109Read 8 October 2026Exact public EPREL label 2186109 shows HDR class G.6Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Exact Dell technical table names energy class HDR G under the current EU label system.

Energy per 1000 h SDR

18kWh5EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2063658.svgRead 20 October 2026EU label SDR value 18 kWh per 1000 h.

25kWh5EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2186109Read 8 October 2026Exact publicly linked EPREL SVG label explicitly states 25 kWh/1000h. This corroborates the number in Dell's store table and resolves its incorrect displayed kW unit. Registry declared On-mode 25.2 W is a separate unrounded quantity.6Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Exact Dell energy table states 25 per 1000 hours. Its displayed unit kW is a formatting error. The energy-label quantity is kWh per 1000h, separate from registry 25.2 W On-mode power.

Energy per 1000 h HDR

Not available

37kWh5EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2186109Read 8 October 2026Exact publicly linked EPREL SVG label explicitly states 37 kWh/1000h. Registry 36.9 W is a separate unrounded On-mode quantity.6Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Exact Dell energy table states 37 per 1000 hours. Its displayed unit kW is a formatting error. Energy-label rounding is separate from registry 36.9 W On-mode power.

Certifications

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VESA ClearMR

Not available

Not available

VESA AdaptiveSync Display

Not available

Not available

TÜV certifications

Not available

TÜV Rheinland Eye Comfort 3.0, 4-star, TÜV Rheinland hardware low blue light, Category 22Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Product features explicitly state Eye Comfort 3.0 four-star and hardware low-blue-light Category 2. Generic certification-rubric rows do not establish additional gamut, calibration or ambient-sensor hardware facts.

Low blue lightiHardware means a published panel-level hardware low-blue-light solution. Software means a selectable picture filter. Hardware does not require a selectable filter mode.

Not available

Hardware2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026ComfortView Plus is an integrated hardware low-blue-light panel feature, enabled by default. Certification applies at factory/default settings.

ENERGY STAR

Not available

Yes2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Electrical Table 12 explicitly states ENERGY STAR certified at factory-default settings. Changing settings can exceed its specified limits.

TCO Certified

Not available

Not available

EPEAT

Not available

Not available

Colour certifications

Not available

Not available

Other certifications

Not available

RoHS compliant2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026

In the box

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In the box

1 x KB242Y G0 Widescreen LCD Monitor, 1 x Power Cord (US), 1 x HDMI Cable1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Package Contents: 1 x KB242Y G0 Widescreen LCD Monitor, 1 x Power Cord (US), 1 x HDMI Cable. The EPREL sheet says the external power supply is included in the box, but the Acer list does not name it.

Display, VESA cover, Stand riser, Stand base, Side I/O-cover, Power cable, USB-C to USB-C cable, QR Card, Safety, Environmental, and Regulatory Information2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026

Cables includediCables supplied with the product. Count is included only when the source establishes it. Bundles can vary by market.

AAcer KB242Y G0bi

Type	Count
AC power cord	1
HDMI	1

Source1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026US power cord and one HDMI cable from the package contents. No VGA or DisplayPort cable.

BDell 27 Plus 4K USB-C Monitor S2725QC

Type	Count
Power cable	1
USB-C to USB-C cable	1

Source2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026One power cable and one USB-C-to-C cable are confirmed by both original/current guides and US listing. Cable length/rating are not unified: original guide/current US store give 1 m/10Gbps/100 W, while Rev. A01 specifies 1.8 m/5Gbps/100 W only for units manufactured on or after June 2026. Those accessory revisions are not treated as a change to the monitor's65 W delivery rating.9Owner's manualcdn.cs.1worldsync.com/b5/41/b5418c91-9e2c-4b21-9864-cde076c018a3.pdfRead 8 October 2026March 2025 Rev. A00 original exact guide: USB-C to C 10Gbps 100 W cable. Current Rev. A01 gives a 5Gbps 1.8 m replacement bundle for units made June 2026 onward. Length/rating are omitted from the stored common cable rows.

Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

2years4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Minimum duration of the general guarantee offered by the supplier is 2 years. This is the EU term. Acer US lists a three-year limited warranty for monitors, so the term differs by market. See the Acer US Limited Warranty page.

1year1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026US store specifies 1 Year Limited Hardware and Advanced Exchange Service. EU registration lists a 3-year general guarantee for its supplier market, which does not replace this US warranty.

Dead pixel policy

Not available

Premium Panel Exchange: panel replacement during the limited hardware warranty even if only one bright pixel is found.1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026Exact US product page Premium Panel Exchange statement allows replacement during the limited hardware warranty even if one bright pixel is found. Dark-pixel thresholds are not stated here.

Links

Not compared

Product page

www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.0031Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Acer US product page. Acer blocks automated fetching, so the text was read from the Internet Archive copy of 2025-10-05.

www.dell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessories1Maker product pagedell.com/en-us/shop/dell-27-plus-4k-usb-c-monitor-s2725qc/apd/210-brnc/monitors-monitor-accessoriesRead 8 October 2026

Spec sheet

Not available

Not available

Manual

Not available

dl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdf2Owner's manualdl.dell.com/content/manual22980564-dell-s-27-4k-usb-c-monitor-s2725qc-user-s-guide.pdfRead 8 October 2026Exact current S2725QC/S2725QCb User Guide, May 2026 Rev. A01. Opened actual product features and technical tables, port explanations, menu settings, geometry and power information.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

20636584EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026EPREL registration number 2063658, model identifier KB242Y G0. The Acer UK page lists EPREL No. 2063660, which the EPREL API does not know (not found on 2026-10-21), so the number from the EPREL sheet is stored.

21861095EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2186109Read 8 October 2026Exact maker guide page 65 links registration 2186109 for model S2725QC. Loaded public registry UI confirms DELL/S2725QC 3840x2160 LED LCD 27-inch. Registered EU energy values are distinct from US warranty/market scope.

Both are also in the API. Back to all monitors.