Skip to the beginning of the images gallery

In stock

DELL UltraSharp U4021QW computer monitor 100.8 cm (39.7") 5120 x 2160 pixels 4K DCI LCD Silver

SKU

DELL-U4021QW

£2,216.03 £1,846.69

100.8cm (39.7") WUHD 5120 x 2160 LED IPS, 21:9, 300cd/m², 1.073B, 8ms, 178°/178°, 1000:1

Note: These items come from the EU which will take 7-10 days to be delivered

100.8cm (39.7") WUHD 5120 x 2160 LED IPS
8ms, 21:9, 300cd/m2, 1000:1
USB, HDMI, DisplayPort

Free Delivery

For all orders over £99

30 Days Return

Return hassle free

Secure Payment

100% secure payment

Email an Expert

Speak to sales now

Free Shipping

For most orders
over £99 *

30 Days Return

Return hassle
free

Secure Payment

100% secure
payment

Email an expert

Speak to sales
now

Tech Specs

Audio
Built-in speaker(s)	Yes
RMS rated power	18 W
Performance
Built-in speaker(s)	Yes
RMS rated power	18 W
Built-in camera	No
AMD FreeSync	No
NVIDIA G-SYNC	No
Display
Display brightness (typical)	300 cd/m²
Screen shape	Curved
Display number of colours	1.073 billion colours
Native aspect ratio	21:9
Pixel density	140 ppi
Colour gamut	98%
Maximum refresh rate	60 Hz
HD type	4K DCI
Display technology	LCD
Viewing angle, horizontal	178°
Viewing angle, vertical	178°
Pixel pitch	0.1815 x 0.1815 mm
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
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
Backlight type	LED
Display resolution	5120 x 2160 pixels
Response time	8 ms
Display diagonal	100.8 cm (39.7")
Contrast ratio (typical)	1000:1
Response time (fast)	5 ms
Touchscreen	No
High Dynamic Range (HDR) supported	No
Panel type	IPS
Screen curvature rating	2500R
Colour gamut standard	DCI-P3
Anti-glare screen	Yes
Network
Ethernet LAN (RJ-45) ports	0
Wi-Fi	No
Multimedia
Number of speakers	2
Built-in speaker(s)	Yes
RMS rated power	18 W
Built-in camera	No
Design
Market positioning	Graphics design
Feet colour	Silver
Product colour	Silver
Front bezel colour	Black
Camera
Built-in camera	No
Ports & interfaces
Built-in USB hub	Yes
USB upstream port type	USB Type-B
Number of upstream ports	1
USB Type-A downstream ports quantity	4
USB Type-C downstream ports quantity	1
Headphone out	Yes
DVI port	No
VGA (D-Sub) ports quantity	0
HDMI ports quantity	2
DisplayPorts quantity	1
Audio input	No
Headphone outputs	1
Headphone connectivity	3.5 mm
HDMI	Yes
HDMI version	2.0
DisplayPort version	1.4
USB Power Delivery up to	90 W
Thunderbolt 3 ports quantity	1
Number of USB Type-B upstream ports quantity	1
Wi-Fi	No
Ethernet LAN (RJ-45) ports	0
Technical details
Height (without stand)	419.1 mm
Depth (without stand)	59.6 mm
Width (without stand)	946.6 mm
Feet colour	Silver
RJ-45 ports quantity	1
Cable lock slot	Yes
HDMI	Yes
Product colour	Silver
Front bezel colour	Black
Power supply type	Internal
Weight (with stand)	13.8 kg
Touchscreen	No

Ergonomics
VESA mounting	Yes
Cable lock slot	Yes
Panel mounting interface	100 x 100 mm
Swivelling	Yes
Swivel angle range	-30 - 30°
Tilt angle range	-5 - 21°
Pivot	No
Height adjustment	Yes
Tilt adjustment	Yes
Adjustable height (max)	12 cm
Power
Power supply type	Internal
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (max)	240 W
Power consumption (standby)	0.3 W
Power consumption (typical)	41.3 W
Power consumption (off)	0.3 W
Power consumption (PowerSave)	44.81 W
Input current	2.8 A
Energy efficiency scale	A to G
Energy efficiency class (SDR)	G
Energy efficiency class (HDR)	Not available
Energy consumption (SDR) per 1000 hours	41 kWh
European Product Registry for Energy Labelling (EPREL) code	390236
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
Height (without stand)	419.1 mm
Depth (without stand)	59.6 mm
Width (without stand)	946.6 mm
Width (with stand)	946.6 mm
Depth (with stand)	248 mm
Height (with stand)	577.3 mm
Bezel width (side)	1.13 cm
Bezel width (top)	1.13 cm
Bezel width (bottom)	1.58 cm
Weight (with stand)	13.8 kg
Weight (without stand)	9.5 kg
Package weight	21.6 kg
Packaging data
Package weight	21.6 kg
Sustainability
European Product Registry for Energy Labelling (EPREL) code	390236
Total carbon footprint (kg of CO2e)	926
Carbon footprint
Total carbon footprint (kg of CO2e)	926
Total carbon emissions, standard deviation (kg of CO2e)	149
PAIA version	1.2.13, 2021
Carbon emissions, energy usage (kg of CO2e)	377
Carbon emissions, manufacturing (kg of CO2e)	430.6
Carbon emissions, logistics (kg of CO2e)	112
Carbon emissions, end-of-life (kg of CO2e)	6.23
Other features
RJ-45 ports quantity	1
Ethernet LAN (RJ-45) ports	0
Height (without stand)	419.1 mm
Depth (without stand)	59.6 mm
Width (without stand)	946.6 mm
Power consumption (max)	240 W
HDMI	Yes
USB Power Delivery up to	90 W
Energy efficiency scale	A to G
Power supply type	Internal
Touchscreen	No
Front bezel colour	Black
Logistics data
Total carbon footprint (kg of CO2e)	926
Harmonized System (HS) code	85285210

Description

Redefine productivity on this revolutionary 40” curved WUHD 5K2K monitor that delivers exceptional color and clarity.

Specifications

Audio
Built-in speaker(s)	Yes
RMS rated power	18 W
Performance
Built-in speaker(s)	Yes
RMS rated power	18 W
Built-in camera	No
AMD FreeSync	No
NVIDIA G-SYNC	No
Display
Display brightness (typical)	300 cd/m²
Screen shape	Curved
Display number of colours	1.073 billion colours
Native aspect ratio	21:9
Pixel density	140 ppi
Colour gamut	98%
Maximum refresh rate	60 Hz
HD type	4K DCI
Display technology	LCD
Viewing angle, horizontal	178°
Viewing angle, vertical	178°
Pixel pitch	0.1815 x 0.1815 mm
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
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
Backlight type	LED
Display resolution	5120 x 2160 pixels
Response time	8 ms
Display diagonal	100.8 cm (39.7")
Contrast ratio (typical)	1000:1
Response time (fast)	5 ms
Touchscreen	No
High Dynamic Range (HDR) supported	No
Panel type	IPS
Screen curvature rating	2500R
Colour gamut standard	DCI-P3
Anti-glare screen	Yes
Network
Ethernet LAN (RJ-45) ports	0
Wi-Fi	No
Multimedia
Number of speakers	2
Built-in speaker(s)	Yes
RMS rated power	18 W
Built-in camera	No
Design
Market positioning	Graphics design
Feet colour	Silver
Product colour	Silver
Front bezel colour	Black
Camera
Built-in camera	No
Ports & interfaces
Built-in USB hub	Yes
USB upstream port type	USB Type-B
Number of upstream ports	1
USB Type-A downstream ports quantity	4
USB Type-C downstream ports quantity	1
Headphone out	Yes
DVI port	No
VGA (D-Sub) ports quantity	0
HDMI ports quantity	2
DisplayPorts quantity	1
Audio input	No
Headphone outputs	1
Headphone connectivity	3.5 mm
HDMI	Yes
HDMI version	2.0
DisplayPort version	1.4
USB Power Delivery up to	90 W
Thunderbolt 3 ports quantity	1
Number of USB Type-B upstream ports quantity	1
Wi-Fi	No
Ethernet LAN (RJ-45) ports	0
Technical details
Height (without stand)	419.1 mm
Depth (without stand)	59.6 mm
Width (without stand)	946.6 mm
Feet colour	Silver
RJ-45 ports quantity	1
Cable lock slot	Yes
HDMI	Yes
Product colour	Silver
Front bezel colour	Black
Power supply type	Internal
Weight (with stand)	13.8 kg
Touchscreen	No

Ergonomics
VESA mounting	Yes
Cable lock slot	Yes
Panel mounting interface	100 x 100 mm
Swivelling	Yes
Swivel angle range	-30 - 30°
Tilt angle range	-5 - 21°
Pivot	No
Height adjustment	Yes
Tilt adjustment	Yes
Adjustable height (max)	12 cm
Power
Power supply type	Internal
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (max)	240 W
Power consumption (standby)	0.3 W
Power consumption (typical)	41.3 W
Power consumption (off)	0.3 W
Power consumption (PowerSave)	44.81 W
Input current	2.8 A
Energy efficiency scale	A to G
Energy efficiency class (SDR)	G
Energy efficiency class (HDR)	Not available
Energy consumption (SDR) per 1000 hours	41 kWh
European Product Registry for Energy Labelling (EPREL) code	390236
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
Height (without stand)	419.1 mm
Depth (without stand)	59.6 mm
Width (without stand)	946.6 mm
Width (with stand)	946.6 mm
Depth (with stand)	248 mm
Height (with stand)	577.3 mm
Bezel width (side)	1.13 cm
Bezel width (top)	1.13 cm
Bezel width (bottom)	1.58 cm
Weight (with stand)	13.8 kg
Weight (without stand)	9.5 kg
Package weight	21.6 kg
Packaging data
Package weight	21.6 kg
Sustainability
European Product Registry for Energy Labelling (EPREL) code	390236
Total carbon footprint (kg of CO2e)	926
Carbon footprint
Total carbon footprint (kg of CO2e)	926
Total carbon emissions, standard deviation (kg of CO2e)	149
PAIA version	1.2.13, 2021
Carbon emissions, energy usage (kg of CO2e)	377
Carbon emissions, manufacturing (kg of CO2e)	430.6
Carbon emissions, logistics (kg of CO2e)	112
Carbon emissions, end-of-life (kg of CO2e)	6.23
Other features
RJ-45 ports quantity	1
Ethernet LAN (RJ-45) ports	0
Height (without stand)	419.1 mm
Depth (without stand)	59.6 mm
Width (without stand)	946.6 mm
Power consumption (max)	240 W
HDMI	Yes
USB Power Delivery up to	90 W
Energy efficiency scale	A to G
Power supply type	Internal
Touchscreen	No
Front bezel colour	Black
Logistics data
Total carbon footprint (kg of CO2e)	926
Harmonized System (HS) code	85285210

You may also be interested in

Compare Products
Product	Popular DELL UltraSharp U4021QW computer monit... £2,216.03 £1,846.69	EIZO ColorEdge CS2740 LED display 68.6... £2,308.14 £1,923.45	EIZO FlexScan EV3895-WT LED display 95... £2,365.62 £1,971.35	Bestseller Lenovo ThinkVision P40w-20 LED display... £1,937.24 £1,614.37	Recommended ASUS ProArt PA169CDV computer monitor... £1,807.06 £1,505.88	New Samsung G97NC computer monitor 139.7 c... £2,203.97 £1,836.64
SKU	DELL-U4021QW	CS2740	EV3895-WT	62C1GAT6EU	90LM0711-B01I70	LS55CG970NUXEN
Manufacturer	DELL	Eizo	Eizo	Lenovo	ASUS	Samsung
Display diagonal	30 to 50 inches	≈ 21 inches	30 to 50 inches	30 to 50 inches	under 18 inches	over 50 inches
Product colour	Silver	Black	White	Black	Black	Black
Touchscreen	N	N	N	N	Y	N
Built-in camera	N	N/A	N/A	N	N	N
Market positioning	Graphics design	Graphics design	Business	N/A	N/A	Consumer
Display technology	LCD	LED	LED	LED	LCD	LED
Native aspect ratio	21:9	16:9	24:10	21:9	16:9	16:9
VESA mounting	Y	Y	Y	Y	N	Y
NVIDIA G-SYNC	N	N/A	N	N/A	N	N/A
Built-in USB hub	Y	Y	Y	Y	Y	Y
AMD FreeSync	N	N/A	N	N/A	N	Y