KB242Y G0bi

General

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.

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.

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.

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

Not available

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.

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

Not available

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.

Not available

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

Not available

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.

Not available

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.

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.

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.

Display

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.

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.

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.

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.

Pixel density

92.6ppi=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.

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.

Curved

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

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

Not available

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.

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.

Touchscreen

Not available

Panel

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).

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.

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

Local dimming

Not available

Dimming zones

Not available

Panel maker

Not available

Panel part number

Not available

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

Not available

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.

Not available

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.

Not available

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

Not available

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.

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.

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

Not available

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

Not available

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

Not available

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

Not available

Factory calibrated

Not available

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.

Not available

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.

Not available

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

Not available

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.

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.

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.

Not available

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

Not available

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.

Not available

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

Not available

HDR formats

Not available

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.

Not available

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.

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.

Refresh rate and motion

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.

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.

Show as source table

Width (px)	Height (px)	Input	Input version	Maximum accepted rate (Hz)
1920	1080	HDMI	1.4	120
1920	1080	VGA	Not available	75

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

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

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

Not available

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

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

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

Not available

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.

Overclocked refresh rate

Not available

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

Not available

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

Not available

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).

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.

Not available

Low framerate compensation

Not available

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

Not available

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.

Overdrive settings

Not available

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.

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).

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

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.

Black frame insertion

Not available

Connectivity

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.

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.

HDMI ports

1=CalculatedFrom Video inputs

DisplayPort ports

0=CalculatedFrom Video inputs

Highest HDMI version

1.4=CalculatedFrom Video inputs

Highest DisplayPort version

Not available

HDMI features

Not available

USB-C video (DP Alt Mode)

Not available

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

Thunderbolt

Not available

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

Not available

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.

Not available

KVM switch

Not available

Daisy chain (MST)

Not available

Ethernet

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.

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

Optical out

Not available

Picture in picture

Not available

Picture by picture

Not available

Audio and camera

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.

Number of speakers

Not available

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

Not available

Webcam

Not available

Microphone

Not available

Ergonomics and controls

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.

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.

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.

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.

Removable stand

Not available

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.

VESA adapter needed

Not available

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.

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

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.

User firmware updates

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

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

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

Gaming menu features

Not available

Dimensions and weight

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.

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

Not available

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

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.

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

Not available

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

Box weight

Not available

Power

• EU energy class SDRE4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Energy class E for SDR. HDR not implemented.
  ABCDEFG

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.

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

Not available

Input voltage

Not available

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

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.

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.

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

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.

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.

EU energy class HDR

Not available

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.

Energy per 1000 h HDR

Not available

In the box

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.

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

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.

Warranty

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.

Dead pixel policy

Not available

Links

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.

Spec sheet

Not available

Manual

Not available

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.