Dell · Monitor

Dell UltraSharp U4021QW computer monitor price in United Kingdom

Model U4021QWMPN DELL-U4021QWEAN 884116381365EAN 5397184409633

Display100.8 cm (39.7")
Resolution5120 x 2160 pixels
Energy classG
ColourSilver

Lowest price incl. delivery

£1,435.99

at Back to the OfficeFree deliveryIn stock

1 store
1 in stock
1 with free delivery
Checked 5 Oct 2026, 18:25 UTC

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Full specifications and side-by-side comparison

Prices in United Kingdom

1 store · prices in GBP · updated 5 Oct 2026, 18:25 UTC

Lowest price£1,435.99at Back to the Office · free shippingGo to Back to the Office

Price range across 1 offer

Every store asks the same price.

1 of 1 stores in stock
1 with free shipping
Checked 5 Oct 2026, 18:25 UTC

Back to the OfficeLowest priceDELL UltraSharp U4021QW computer monitor 100.8 cm (39.7") 5120 x 2160 pixels 4K DCI LCD Silver In stockFree shipping
£1,435.99incl. free shipping
Go to store : Back to the Office (opens in a new tab)

Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 5 Oct 2026, 18:25 UTC, and can change at any time. Taxes are included only where the store includes them.

Price history in United Kingdom

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Product details

Identification

Brand: Dell
Product: UltraSharp U4021QW computer monitor
Full name: DELL UltraSharp U4021QW computer monitor 100.8 cm (39.7") 5120 x 2160 pixels 4K DCI LCD Silver
Manufacturer part number: DELL-U4021QW
EAN / UPC: 884116381365, 5397184409633, 5704174822899, 5704174822905
Category: Monitor

110 specifications from the manufacturer's data sheet

Display

Display diagonal	100.8 cm (39.7")
Display resolution	5120 x 2160 pixels
Native aspect ratio	21:9
Display technology	LCD
Touchscreen	No
HD type	4K DCI
Panel type	IPS
Backlight type	LED
Display brightness (typical)	300 cd/m²
Response time	8 ms
Anti-glare screen	Yes
Screen shape	Curved
Screen curvature rating	2500R
Supported graphics resolutions	640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 800 (WXGA), 1600 x 1200 (UXGA), 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080), 2048 x 1152, 2560 x 1080, 3840 x 2160, 4096 x 2160, 5120 x 2160
Supported video modes	480p, 720p, 1080i, 1080p
Contrast ratio (typical)	1000:1
Maximum refresh rate	60 Hz
Viewing angle, horizontal	178°
Viewing angle, vertical	178°
Display number of colours	1.073 billion colours
Response time (fast)	5 ms
Pixel pitch	0.1815 x 0.1815 mm
Pixel density	140 ppi
Horizontal scan range	27 - 133.286 kHz
Vertical scan range	24 - 86 Hz
Viewable size, horizontal	92.9 cm
Viewable size, vertical	39.2 cm
Viewable size diagonal	100.9 cm
High Dynamic Range (HDR) supported	No
Colour gamut standard	DCI-P3
Colour gamut	98%

Performance

NVIDIA G-SYNC	No
AMD FreeSync	No

Multimedia

Built-in speaker(s)	Yes
Number of speakers	2
RMS rated power	18 W
Built-in camera	No

Design

Market positioning	Graphics design
Product colour	Silver
Front bezel colour	Black
Feet colour	Silver

Ports & interfaces

Built-in USB hub	Yes
USB upstream port type	USB Type-B
Number of upstream ports	1
Number of USB Type-B upstream ports quantity	1
USB Type-A downstream ports quantity	4
USB Type-C downstream ports quantity	1
USB Power Delivery up to	90 W
VGA (D-Sub) ports quantity	0
DVI port	No
HDMI	Yes
HDMI ports quantity	2
HDMI version	2.0
DisplayPorts quantity	1
DisplayPort version	1.4
Thunderbolt 3 ports quantity	1
Audio input	No
Headphone out	Yes
Headphone outputs	1
Headphone connectivity	3.5 mm

Network

Wi-Fi	No

Ergonomics

VESA mounting	Yes
Panel mounting interface	100 x 100 mm
Cable lock slot	Yes
Height adjustment	Yes
Adjustable height (max)	12 cm
Pivot	No
Swivelling	Yes
Swivel angle range	-30 - 30°
Tilt adjustment	Yes
Tilt angle range	-5 - 21°

Power

Energy efficiency class (SDR)	G
Energy efficiency class (HDR)	Not available
Energy consumption (SDR) per 1000 hours	41 kWh
Power consumption (typical)	41.3 W
Power consumption (standby)	0.3 W
Power consumption (max)	240 W
Power consumption (off)	0.3 W
Power consumption (PowerSave)	44.81 W
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Input current	2.8 A
Power supply type	Internal
Energy efficiency scale	A to G

Operational conditions

Operating temperature (T-T)	0 - 40 °C
Storage temperature (T-T)	-20 - 60 °C
Operating relative humidity (H-H)	10 - 80%
Storage relative humidity (H-H)	5 - 90%

Weight & dimensions

Width (with stand)	946.6 mm
Depth (with stand)	248 mm
Height (with stand)	577.3 mm
Weight (with stand)	13.8 kg
Width (without stand)	946.6 mm
Depth (without stand)	59.6 mm
Height (without stand)	419.1 mm
Weight (without stand)	9.5 kg
Bezel width (side)	1.13 cm
Bezel width (top)	1.13 cm
Bezel width (bottom)	1.58 cm

Packaging data

Package weight	21.6 kg

Carbon footprint

Carbon emissions, end-of-life (kg of CO2e)	6.23
Carbon emissions, energy usage (kg of CO2e)	377
Carbon emissions, logistics (kg of CO2e)	112
Carbon emissions, manufacturing (kg of CO2e)	430.6
PAIA version	1.2.13, 2021
Total carbon emissions, standard deviation (kg of CO2e)	149
Total carbon footprint (kg of CO2e)	926