UltraSharp U5226KW

General

Series

UltraSharp1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Cover and product name: Dell UltraSharp 52 Thunderbolt Hub Monitor.

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

U5226KW1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Cover: U5226KW and U5226KW WOST. WOST is the same monitor without the stand (Table 17 footnote). Only U5226KW, the with-stand model, is stored because the stand-related fields are not variant fields.

GTIN / EAN

Not available

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

6 January 20264Press articletftcentral.co.uk/news/dell-announce-the-ultrasharp-u5226kw-a-massive-52-ultrawide-monitor-with-6k-resolutionRead 14 October 2026TFTCentral report of the Dell announcement, 2026-01-06 (CES 2026).

Status

Available4Press articletftcentral.co.uk/news/dell-announce-the-ultrasharp-u5226kw-a-massive-52-ultrawide-monitor-with-6k-resolutionRead 14 October 2026Announced as available from 2026-01-06. The review confirms current sale.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Conclusion: available now at $2,899.99 from Dell in the US and GBP 2,571.60 in the UK.

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.

$2,899.994Press articletftcentral.co.uk/news/dell-announce-the-ultrasharp-u5226kw-a-massive-52-ultrawide-monitor-with-6k-resolutionRead 14 October 2026US $2,899.99 with stand and US $2,799.99 without stand, as quoted from Dell. The with-stand price is stored because the base record has the stand. Excludes tax.

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, EU2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026EU: placed on the Union market.4Press articletftcentral.co.uk/news/dell-announce-the-ultrasharp-u5226kw-a-massive-52-ultrawide-monitor-with-6k-resolutionRead 14 October 2026Dell announced global availability. The US price comes from the same article.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Review gives the US and UK Dell prices.

ColoursiThe maker's own colour names

Not available

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

Office4Press articletftcentral.co.uk/news/dell-announce-the-ultrasharp-u5226kw-a-massive-52-ultrawide-monitor-with-6k-resolutionRead 14 October 2026Dell positions it for financial traders, data scientists, engineers and executives as a replacement for multi-screen office setups. UltraSharp is Dell's professional line.

Display

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

51.5in(130.8 cm)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: viewable diagonal 1307.5 mm (51.5 in). Dell names the monitor "52", which is a class size.

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

51.5in(130.8 cm)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: viewable image diagonal 51.5 in.

Native resolution

6144 × 2560px1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features and Table 9: 6144 x 2560, maximum preset 120 Hz.

Aspect ratio

21:91Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 21:9. The pixel ratio is 2.4:1 (24:10). TFTCentral says 24:10 is marketed as 21:9. The maker value is used.

Pixel density

129.2ppi=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.

0.1964mm1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 0.19644 mm horizontal and vertical.

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.

Width1,206.93Height502.89mm(47.5 × 19.8 in)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: horizontal 1206.93 mm, vertical 502.89 mm.

Curved

Yes5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Design and Features: subtle 4200R curvature.

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

4,200mm5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Key Specs: subtle 4200R curvature.

Screen surface

Matte1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: Anti-Glare Low Reflectance (AGLR) with 3H hard coating. TFTCentral calls it a matte anti-glare coating.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026General and Office: light matte anti-glare coating.

Anti-reflection coating

Anti-Glare Low Reflectance (AGLR) with hard-coating 3H1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: Display screen coating.

Touchscreen

Not available

Panel

Panel type

IPS1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: In-Plane Switching (IPS) Black Technology.

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

In-Plane Switching (IPS) Black Technology1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: Panel technology, as published.

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.

Edge-lit LED1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: LED Edgelight System.

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.

RGB stripe5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026General and Office: the panel has a standard RGB-stripe sub-pixel layout.

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.

10bits5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Dell Specs summary: 8-bit + FRC colour depth. Dell quotes 1.07 billion colours.

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

FRC5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Dell Specs summary: 8-bit + FRC colour depth.

Displayable colours

1.07 billion1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: color depth 1.07 billion colors.

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.

100%1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: sRGB 100% (CIE 1931), typical.

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

99%1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: DCI-P3 99% (CIE 1976), typical. Display P3 99% is a separate target and is not stored.

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

Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Color Calibration Report in the OSD (Others menu): data calibrated at the factory for sRGB, BT.709, DCI-P3 and Display P3. This is an electronic report. No paper report is listed in the box.

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.

1.51Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: Delta E < 1.5 (average) for sRGB, BT.709, DCI-P3 and Display P3. Stored as 1.5 with the less-than qualifier here.

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.

2,000:11Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 2000:1 typical.

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

400nits1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 400 cd/m2 typical.

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.

None5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Colour modes and conclusion: the screen does not support HDR at all, an HDR10 input signal cannot be enabled. EPREL gives HDR as n.a.

Viewing angle (horizontal)

178°1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 178 degrees typical.

Viewing angle (vertical)

178°1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 178 degrees typical.

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 2.1	DisplayPort 1.4	USB-C DP Alt Mode 1.4	Thunderbolt 4
6144 × 2560Native	120Hz	120Hz10-bit, DSC	120Hz10-bit, DSC	120Hz10-bit, DSC

Source1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8 and pp.7, 15: HDMI up to 6144 x 2560 120 Hz FRL, and the footnote excludes HDMI DSC. DisplayPort (Table 12), USB-C Alt Mode high-resolution 4-lane (Table 13) and Thunderbolt 4 (Table 15): 6K 120 Hz at 30-bit with DSC 1/3. 6K 120 Hz at 24-bit also works with DSC 1/2.4. Chroma is not stated. USB-C Alt Mode high-resolution mode leaves USB 2.0 data. 6144 x 2560 at 120 Hz depends on the host graphics. Lower-resolution preset timings are not stored.

Show as source table

Width (px)	Height (px)	Input	Input version	Maximum accepted rate (Hz)	Bit depth (bits)	DSC
6144	2560	HDMI	2.1	120	Not available	No
6144	2560	DisplayPort	1.4	120	10	Yes
6144	2560	Thunderbolt	4	120	10	Yes
6144	2560	USB-C	DP Alt Mode 1.4	120	10	Yes

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.

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

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.

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.

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

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

120Hz1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 9: maximum preset 6144 x 2560 at 120 Hz, default 60 Hz.

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.

HDMI VRR, Adaptive-Sync1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: VRR function. HDMI ports support VRR as specified in HDMI 2.1 (Table 8). No FreeSync or G-SYNC certification is stated. TFTCentral says adaptive sync is supported with no NVIDIA, AMD or VESA certification.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Gaming: adaptive sync is available with no NVIDIA, AMD or VESA 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.

Not available

Low framerate compensation

Yes5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Gaming: adaptive sync with a 48 to 120 Hz VRR range and LFC used below that.

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

5ms1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: Fast mode 5 ms GtG. Normal mode is 8 ms.

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

Not available

Overdrive settings

Normal, Fast1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Display menu: Response Time, Normal or Fast.

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

No5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Gaming extras: no blur reduction modes.

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

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

Flicker-free (claimed)

Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: flicker-free screen.

Black frame insertion

No5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Console support table: Black Frame Insertion support, No.

Measured

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

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

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

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

Not available

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

1,926:16Measurementtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Brightness and Contrast: 1926:1 average across the OSD brightness range, Standard preset, ambient light sensor disabled. Default settings gave 1837:1. UPRtek MK550T and X-rite i1 Pro 2 used.

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

367nits6Measurementtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Brightness and Contrast: maximum 367 nits at the top OSD setting, Standard preset, ambient light sensor disabled. Minimum 32 nits.

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

Not available

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

Not available

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

Min48Max120Hz6Measurementtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Gaming: 48 to 120 Hz VRR range, with LFC below. The reviewer does not name the input.

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.

1.26Measurementtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026sRGB mode: 1.2 average Delta E 2000 against sRGB, factory preset, before any user calibration. The Standard preset against DCI-P3 gave 2.2 average.

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

Not available

Reflections (measured)iTotal reflections. Measured by a reviewer

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	DSC	HDCP
HDMI	2.1	2	No	2.2
DisplayPort	1.4	2	Yes	Not available
Thunderbolt	4	1	Yes	Not available

Source1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Tables 7 and 8: 2 HDMI 2.1, 2 DisplayPort 1.4 and 1 Thunderbolt 4 (DP 1.4 with DSC). HDMI DSC is excluded by the Table 8 footnote.7Reviewstoragereview.com/review/dell-ultrasharp-u5226kw-review-a-massive-52-inch-6k-display-for-your-entire-workflowRead 14 October 2026Review spec table: 2 HDMI 2.1 ports with HDCP 2.2, up to 6144 x 2560 at 120 Hz. HDCP for the other inputs is not stated.

HDMI ports

2=CalculatedFrom Video inputs

DisplayPort ports

2=CalculatedFrom Video inputs

Highest HDMI version

2.1=CalculatedFrom Video inputs

Highest DisplayPort version

1.4=CalculatedFrom Video inputs

HDMI features

VRR, CEC1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: VRR on HDMI. The footnote says ARC, eARC, QMS, QFT, ALLM and DSC are not supported. CEC comes from TFTCentral.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Console support table: HDMI-CEC auto switch Yes, VRR Yes, ALLM No.

USB-C video (DP Alt Mode)

Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 7: Thunderbolt 4 upstream has an alternate mode with DisplayPort 1.4.

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.

140W1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 7: PD up to 140 W (28 V 5 A) needs a host with USB PD EPR. Other hosts get 90 W (20 V 4.5 A).

Thunderbolt

41Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 7: Thunderbolt 4 upstream.

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

Connector	USB version	Count
USB-C	3.2 Gen 2	4

Source1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 20261 Thunderbolt 4 upstream (USB 3.2 Gen 2) and 3 USB-C data-only upstream ports (USB-C 10 Gbps, USB Gen2), 4 in total. The Gen 2 name for the three data-only ports is taken as USB 3.2 Gen 2 (10 Gbps).

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.

Connector	USB version	Count
USB-A	3.2 Gen 2	5
USB-C	3.2 Gen 2	2

Source1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 20264 rear USB-A and 1 quick-access USB-A (10 Gbps, USB 3.2 Gen2), and 2 quick-access USB-C (10 Gbps, USB 3.2 Gen2, 27 W).

KVM switch

Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: switch the USB KVM function in PBP mode. USB menu has a KVM setup guide.

Daisy chain (MST)

No5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Features table: daisy chaining support, No.

Ethernet

Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 7: RJ45 connector, 2.5 GbE.

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

No1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Bottom view inventory (Table 7) has no audio jack. TFTCentral also says there is no headphone connection.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Connectivity: the only thing missing is a headphone connection.

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.

No1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Complete connector inventory (Tables 4 to 7) has no microphone input.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Features table: mic input, No.

Optical out

No1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Complete connector inventory (Tables 4 to 7) has no optical output.

Picture in picture

Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: PBP and PIP Select mode.

Picture by picture

Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: PBP, and PBP with Screen Partition.

Smart features

Smart platform

Not available

Wi-Fi

Not available

Bluetooth

Not available

Remote control

No1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 1 package contents lists no remote control.

Audio and camera

Speakers

Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: built-in speakers 2 x 9W.

Number of speakers

21Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 2 x 9W.

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

9W1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 2 x 9W, 9 W each.

Webcam

No5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Features table: integrated webcam, No.

Microphone

Not available

Ergonomics and controls

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

90mm1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: height adjustable stand 90.00 mm.

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

Forward5°Backward10°1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: tilt -5 to 10 degrees.

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

Left20°Right20°1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: swivel -20 to 20 degrees.

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.

Not available

Removable stand

Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: removable pedestal stand. Stand release button on the back (Table 6).5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Design and Features: the stand has a quick release mechanism and can be removed for VESA mounting.

VESA mount

200 x 2001Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 6: VESA holes 200 x 200, 200 x 100 and 100 x 100 mm behind the VESA cover. The field takes one value, so the largest pattern is stored.

VESA adapter needed

Not available

Security lock slot

Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8 and Table 7: security lock slot, cable lock sold separately.

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

Joystick, Software1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 6: joystick controls the OSD. DDPM adjusts OSD settings from software (p.16). The power button is not an OSD control.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026OSD menu: joystick toggle controller, and a software application.

Desktop software

Dell Display and Peripheral Manager (DDPM)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Dell Display and Peripheral Manager (DDPM) section, Windows and macOS.

User firmware updates

Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026DDPM section item 7: receive notifications and update the firmware.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026OSD menu: user updatable firmware. Tested on firmware M2T103.

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.

Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 5: ambient light sensor on top. Auto Brightness and Auto Color Temp.

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.

No2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Row 19: room presence sensor available: No.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Features table: motion sensor, No. EPREL row 19 says no room presence sensor.

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.

Width1,223.32Height (lowest)576.79Height (highest)666.79Depth255mm(48.2 × 22.7 to 26.3 × 10 in)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 17: height extended 666.79 mm, compressed 576.79 mm, width 1223.32 mm, depth 255.00 mm.

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

Width1,223.32Height529.05Depth111.94mm(48.2 × 20.8 × 4.4 in)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 17: height 529.05 mm, width 1223.32 mm, depth 111.94 mm.

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

Width363Depth255mm(14.3 × 10 in)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 17: base 363.00 x 255.00 mm.

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

18.23kg(40.2 lb)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 17: 18.23 kg with stand assembly and cables.

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

12.95kg(28.5 lb)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 17: 12.95 kg without stand assembly and without cables, for wall or VESA mount.

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

34.85kg(76.8 lb)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 17: 34.85 kg with packaging.

Power

• EU energy class SDRG2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Row 3: class G.
  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.

Internal1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026The monitor has a power connector and no external adapter. EPREL says internal.2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Row 24: Internal.

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

Not available

Input voltage

100-240 V AC, 50/60 Hz1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 16: 100 VAC to 240 VAC, 50 Hz or 60 Hz +/- 3 Hz, 5.5 A maximum.

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.

430W1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 16: 430 W maximum, at maximum brightness and contrast with maximum power loading on all USB ports.

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.

63.6W1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 16: 63.6 W on mode as defined in EU 2019/2013.2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Row 4: on mode power in SDR 63.6 W. HDR is n.a., so no HDR class or power is stored.

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.

0.5W1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 16: 0.5 W standby as defined in EU 2019/2021.2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Row 8: 0.5 W.

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

0.3W1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 16: 0.3 W off mode.2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Row 7: 0.3 W.

EU energy class HDR

Not available

Energy per 1000 h SDR

64kWh3EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2415042.pdfRead 14 October 2026Printed label: 64 kWh/1000h.

Energy per 1000 h HDR

Not available

Certifications

VESA ClearMR

Not available

VESA AdaptiveSync Display

Not available

TÜV certifications

Eye Comfort 3.0 (5-star), Hardware Low Blue Light (Category I)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: TUV Rheinland Eye Comfort 3.0 with a 5-star rating. Blue light ratio 20% or less is Category I (Table 2). TFTCentral quotes Dell on TUV category one hardware low blue light.

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.

Hardware1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: ComfortView Plus reduces blue light to 20% or less. It is a panel feature enabled by default. TFTCentral says it is a hardware approach with no menu modes.

ENERGY STAR

Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Electrical specifications note: ENERGY STAR certified at factory default settings.

TCO Certified

TCO Certified and TCO Certified Edge1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 18 compliant standards: TCO Certified and TCO Certified Edge. The generation is not stated.

EPEAT

Not available

Colour certifications

Not available

Other certifications

Not available

In the box

In the box

Monitor, Stand riser (U5226KW only), Stand base (U5226KW only), HDMI cable (1.80 m), DisplayPort 1.4 cable (1.80 m), Thunderbolt 4 40Gbps cable (2.0 m), USB-C to USB Type-A 10Gbps cable (1.0 m), Power cable (varies by country or region), QR Card, Safety, Environmental, and Regulatory Information1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 1 package contents. Stand riser and base are for U5226KW only. The WOST model ships without the stand.

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

Type
HDMI cable (1.80 m)
DisplayPort 1.4 cable (1.80 m)
Thunderbolt 4 40Gbps cable (2.0 m)
USB-C to USB Type-A 10Gbps cable (1.0 m)
Power cable (varies by country or region)

Source1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 1: HDMI 1.80 m, DisplayPort 1.4 1.80 m, Thunderbolt 4 40Gbps 2.0 m, USB-C to USB-A 10Gbps 1.0 m, power cable. Counts are not stated.

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.

3years2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Row 23: minimum duration of the general guarantee offered by the supplier, 3 years (EU).

Dead pixel policy

Not available

Links

Product page

Not available

Spec sheet

Not available

Manual

cdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdf1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Dell User's Guide for U5226KW and U5226KW WOST, Rev. A00, January 2026, 86 pages. Public mirror hosted by a retailer, since dell.com blocks automated access.

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.

24150422EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Registration 2415042, model identifier U5226KW. The U5226KW WOST model has its own record, 2448748.