DELL UltraSharp U4025QW computer monitor 101.6 cm (40") 5120 x 2160 pixels 5K Ultra HD LCD Silver
DELL UltraSharp U4025QW computer monitor 101.6 cm (40") 5120 x 2160 pixels 5K Ultra HD LCD Silver

DELL UltraSharp U4025QW computer monitor 101.6 cm (40") 5120 x 2160 pixels 5K Ultra HD LCD Silver

BrandDELL
SKU / Part numberDELL-U4025QW
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Product overview & specifications

101.6cm (40") 5K Ultra HD 5120 x 2160 LED IPS, 21:9, 450cd/m�, 1.07B, 8ms, 178�/178�, 2000:1, SuperSpeed USB A to USB C - 10 Gbps (1m) Upstream cable

Elevate your performance with a 40-inch curved ThunderboltT hub monitor featuring a stunning 5K display and a 120Hz refresh rate.

Specifications

Display
HDCP Yes
Display brightness (typical) 450 cd/m�
Screen shape Curved
Display number of colours 1.07 billion colours
Native aspect ratio 21:9
Pixel density 140 ppi
Colour gamut 99%
Maximum refresh rate 120 Hz
sRGB coverage (typical) 100%
HD type 5K Ultra HD
Display technology LCD
Viewing angle, horizontal 178�
Viewing angle, vertical 178�
Pixel pitch 0.1815 x 0.1815 mm
Horizontal scan range 25 - 280 kHz
Vertical scan range 48 - 120 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 1024 (SXGA), 1280 x 800, 1600 x 1200, 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 2048 x 1152, 2048 x 1280, 2560 x 1080, 3840 x 2160, 4096 x 2160, 5120 x 2160
Supported video modes 480p, 720p, 1080p
Backlight type Edge LED
Display resolution 5120 x 2160 pixels
Response time 8 ms
Display diagonal 101.6 cm (40")
Contrast ratio (typical) 2000:1
Surface hardness 3H
Response time (fast) 5 ms
Display brightness (peak) 600 cd/m�
Touchscreen No
High Dynamic Range (HDR) supported Yes
Panel type IPS
Heat dissipation 134.8 BTU/h
Dual ambient light sensor Yes
Dell ComfortView technology Yes
Screen curvature rating 2500R
LED backlight Yes
Colour gamut standard DCI-P3
Anti-glare screen Yes
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
Windows operating systems supported Windows 10, Yes
Mac operating systems supported MacOS
Low Blue Light technology Yes
Flicker-free technology Yes
Management features
On Screen Display (OSD) Yes
Plug and Play Yes
Picture-in-Picture Yes
Network
Ethernet LAN data rates 2500 Mbit/s
Ethernet LAN (RJ-45) ports 1
Multimedia
Number of speakers 2
Built-in speaker(s) Yes
RMS rated power 18 W
Built-in camera No
Design
Heavy metals free Hg (mercury)
Feet colour Silver
Product colour Silver
Front bezel colour Black
Camera
Built-in camera No
Ports & interfaces
Built-in USB hub Yes
USB Type-A downstream ports quantity 5
USB Type-C downstream ports quantity 3
Headphone out No
DC-in jack Yes
HDMI ports quantity 1
DisplayPorts quantity 1
HDCP Yes
Audio output Yes
HDMI Yes
HDMI version 2.1
DisplayPort version 1.4
USB Power Delivery (USB PD) Yes
USB Power Delivery up to 140 W
USB Type-C DisplayPort Alternate Mode Yes
Number of USB Type-C upstream ports quantity 2
Built-in KVM switch Yes
Thunderbolt 4 ports quantity 2
HDCP version 1.4/2.3
Ethernet LAN data rates 2500 Mbit/s
Ethernet LAN (RJ-45) ports 1
Technical details
Height (without stand) 419.1 mm
Depth (without stand) 108 mm
Width (without stand) 946.6 mm
Feet colour Silver
Cable lock slot Yes
HDMI Yes
Product colour Silver
Front bezel colour Black
Sustainability certificates ENERGY STAR, TCO
Doesn't contain PVC/BFR
Compliance certificates RoHS
Power supply type Internal
Weight (with stand) 11.7 kg
Surface hardness 3H
Touchscreen No
Software
Windows operating systems supported Windows 10, Yes
Mac operating systems supported MacOS
Ergonomics
VESA mounting Yes
Cable lock slot Yes
Panel mounting interface 100 x 100 mm
LED indicators Yes
Swivelling Yes
Swivel angle range -30 - 30�
Tilt angle range -5 - 21�
On Screen Display (OSD) Yes
Plug and Play Yes
Picture-in-Picture Yes
Height adjustment Yes
Cable lock slot type Kensington
Cable management Yes
Tilt adjustment Yes
Adjustable height (max) 15 cm
Picture-by-Picture (PbP) Yes
Power
Power supply type Internal
AC input voltage 100 - 240 V
AC input frequency 50/60 Hz
Power consumption (max) 380 W
Power consumption (standby) 0.4 W
Power consumption (typical) 39.5 W
Power consumption (off) 0.3 W
Input current 4.2 A
Energy efficiency scale A to G
Energy efficiency class (SDR) F
Energy efficiency class (HDR) G
Energy consumption (SDR) per 1000 hours 40 kWh
Energy consumption (HDR) per 1000 hours 62 kWh
Operational conditions
Non-operating altitude 0 - 12192 m
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%
Operating altitude 0 - 5000 m
Weight & dimensions
Height (without stand) 419.1 mm
Depth (without stand) 108 mm
Width (without stand) 946.6 mm
Width (with stand) 946.6 mm
Depth (with stand) 252.8 mm
Height (with stand) 472.3 mm
Bezel width (side) 1.13 cm
Bezel width (top) 1.13 cm
Bezel width (bottom) 1.58 cm
Weight (with stand) 11.7 kg
Weight (without stand) 8.35 kg
Package weight 19 kg
Packaging data
Package weight 19 kg
USB cable length 1 m
Stand included Yes
Quick start guide Yes
Cables included AC, DisplayPort, HDMI, Thunderbolt, USB Type-A to USB Type-C
DisplayPort cable length 1.8 m
HDMI cable length 1.8 m
Packaging content
Stand included Yes
Quick start guide Yes
Cables included AC, DisplayPort, HDMI, Thunderbolt, USB Type-A to USB Type-C
DisplayPort cable length 1.8 m
HDMI cable length 1.8 m
USB cable length 1 m
Indication
LED indicators Yes
Sustainability
Total carbon footprint (kg of CO2e) 480
Sustainability certificates ENERGY STAR, TCO
Doesn't contain PVC/BFR
Carbon footprint
Total carbon footprint (kg of CO2e) 480
PAIA version GaBi version 1, 2024
Carbon emissions, energy usage (kg of CO2e) 192.48
Carbon emissions, manufacturing (kg of CO2e) 196.8
Carbon emissions, logistics (kg of CO2e) 35.52
Carbon emissions, end-of-life (kg of CO2e) 55.2
Features
Dell Display Manager (DDM) compatibility Yes
Other features
Heavy metals free Hg (mercury)
Ethernet LAN data rates 2500 Mbit/s
Ethernet LAN (RJ-45) ports 1
Picture-by-Picture (PbP) Yes
Automatic brightness control Yes
Compliance certificates RoHS
Height (without stand) 419.1 mm
Depth (without stand) 108 mm
Width (without stand) 946.6 mm
Power consumption (max) 380 W
Quick start guide Yes
HDMI Yes
Surface hardness 3H
USB Power Delivery up to 140 W
Energy efficiency scale A to G
USB Type-C DisplayPort Alternate Mode Yes
Power supply type Internal
Display brightness (peak) 600 cd/m�
Touchscreen No
USB Power Delivery (USB PD) Yes
Front bezel colour Black
Logistics data
Total carbon footprint (kg of CO2e) 480
Brand-specific features
Dell Display Manager (DDM) compatibility Yes
DELL UltraSharp U4025QW computer monitor 101.6 cm (40") 5120 x 2160 pixels 5K Ultra HD LCD Silver

DELL UltraSharp U4025QW computer monitor 101.6 cm (40") 5120 x 2160 pixels 5K Ultra HD LCD Silver

£1,373.69
Skip to product information
DELL UltraSharp U4025QW computer monitor 101.6 cm (40") 5120 x 2160 pixels 5K Ultra HD LCD Silver

DELL UltraSharp U4025QW computer monitor 101.6 cm (40") 5120 x 2160 pixels 5K Ultra HD LCD Silver

£1,373.69

101.6cm (40") 5K Ultra HD 5120 x 2160 LED IPS, 21:9, 450cd/m�, 1.07B, 8ms, 178�/178�, 2000:1, SuperSpeed USB A to USB C - 10 Gbps (1m) Upstream cable

Elevate your performance with a 40-inch curved ThunderboltT hub monitor featuring a stunning 5K display and a 120Hz refresh rate.

Specifications

Display
HDCP Yes
Display brightness (typical) 450 cd/m�
Screen shape Curved
Display number of colours 1.07 billion colours
Native aspect ratio 21:9
Pixel density 140 ppi
Colour gamut 99%
Maximum refresh rate 120 Hz
sRGB coverage (typical) 100%
HD type 5K Ultra HD
Display technology LCD
Viewing angle, horizontal 178�
Viewing angle, vertical 178�
Pixel pitch 0.1815 x 0.1815 mm
Horizontal scan range 25 - 280 kHz
Vertical scan range 48 - 120 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 1024 (SXGA), 1280 x 800, 1600 x 1200, 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 2048 x 1152, 2048 x 1280, 2560 x 1080, 3840 x 2160, 4096 x 2160, 5120 x 2160
Supported video modes 480p, 720p, 1080p
Backlight type Edge LED
Display resolution 5120 x 2160 pixels
Response time 8 ms
Display diagonal 101.6 cm (40")
Contrast ratio (typical) 2000:1
Surface hardness 3H
Response time (fast) 5 ms
Display brightness (peak) 600 cd/m�
Touchscreen No
High Dynamic Range (HDR) supported Yes
Panel type IPS
Heat dissipation 134.8 BTU/h
Dual ambient light sensor Yes
Dell ComfortView technology Yes
Screen curvature rating 2500R
LED backlight Yes
Colour gamut standard DCI-P3
Anti-glare screen Yes
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
Windows operating systems supported Windows 10, Yes
Mac operating systems supported MacOS
Low Blue Light technology Yes
Flicker-free technology Yes
Management features
On Screen Display (OSD) Yes
Plug and Play Yes
Picture-in-Picture Yes
Network
Ethernet LAN data rates 2500 Mbit/s
Ethernet LAN (RJ-45) ports 1
Multimedia
Number of speakers 2
Built-in speaker(s) Yes
RMS rated power 18 W
Built-in camera No
Design
Heavy metals free Hg (mercury)
Feet colour Silver
Product colour Silver
Front bezel colour Black
Camera
Built-in camera No
Ports & interfaces
Built-in USB hub Yes
USB Type-A downstream ports quantity 5
USB Type-C downstream ports quantity 3
Headphone out No
DC-in jack Yes
HDMI ports quantity 1
DisplayPorts quantity 1
HDCP Yes
Audio output Yes
HDMI Yes
HDMI version 2.1
DisplayPort version 1.4
USB Power Delivery (USB PD) Yes
USB Power Delivery up to 140 W
USB Type-C DisplayPort Alternate Mode Yes
Number of USB Type-C upstream ports quantity 2
Built-in KVM switch Yes
Thunderbolt 4 ports quantity 2
HDCP version 1.4/2.3
Ethernet LAN data rates 2500 Mbit/s
Ethernet LAN (RJ-45) ports 1
Technical details
Height (without stand) 419.1 mm
Depth (without stand) 108 mm
Width (without stand) 946.6 mm
Feet colour Silver
Cable lock slot Yes
HDMI Yes
Product colour Silver
Front bezel colour Black
Sustainability certificates ENERGY STAR, TCO
Doesn't contain PVC/BFR
Compliance certificates RoHS
Power supply type Internal
Weight (with stand) 11.7 kg
Surface hardness 3H
Touchscreen No
Software
Windows operating systems supported Windows 10, Yes
Mac operating systems supported MacOS
Ergonomics
VESA mounting Yes
Cable lock slot Yes
Panel mounting interface 100 x 100 mm
LED indicators Yes
Swivelling Yes
Swivel angle range -30 - 30�
Tilt angle range -5 - 21�
On Screen Display (OSD) Yes
Plug and Play Yes
Picture-in-Picture Yes
Height adjustment Yes
Cable lock slot type Kensington
Cable management Yes
Tilt adjustment Yes
Adjustable height (max) 15 cm
Picture-by-Picture (PbP) Yes
Power
Power supply type Internal
AC input voltage 100 - 240 V
AC input frequency 50/60 Hz
Power consumption (max) 380 W
Power consumption (standby) 0.4 W
Power consumption (typical) 39.5 W
Power consumption (off) 0.3 W
Input current 4.2 A
Energy efficiency scale A to G
Energy efficiency class (SDR) F
Energy efficiency class (HDR) G
Energy consumption (SDR) per 1000 hours 40 kWh
Energy consumption (HDR) per 1000 hours 62 kWh
Operational conditions
Non-operating altitude 0 - 12192 m
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%
Operating altitude 0 - 5000 m
Weight & dimensions
Height (without stand) 419.1 mm
Depth (without stand) 108 mm
Width (without stand) 946.6 mm
Width (with stand) 946.6 mm
Depth (with stand) 252.8 mm
Height (with stand) 472.3 mm
Bezel width (side) 1.13 cm
Bezel width (top) 1.13 cm
Bezel width (bottom) 1.58 cm
Weight (with stand) 11.7 kg
Weight (without stand) 8.35 kg
Package weight 19 kg
Packaging data
Package weight 19 kg
USB cable length 1 m
Stand included Yes
Quick start guide Yes
Cables included AC, DisplayPort, HDMI, Thunderbolt, USB Type-A to USB Type-C
DisplayPort cable length 1.8 m
HDMI cable length 1.8 m
Packaging content
Stand included Yes
Quick start guide Yes
Cables included AC, DisplayPort, HDMI, Thunderbolt, USB Type-A to USB Type-C
DisplayPort cable length 1.8 m
HDMI cable length 1.8 m
USB cable length 1 m
Indication
LED indicators Yes
Sustainability
Total carbon footprint (kg of CO2e) 480
Sustainability certificates ENERGY STAR, TCO
Doesn't contain PVC/BFR
Carbon footprint
Total carbon footprint (kg of CO2e) 480
PAIA version GaBi version 1, 2024
Carbon emissions, energy usage (kg of CO2e) 192.48
Carbon emissions, manufacturing (kg of CO2e) 196.8
Carbon emissions, logistics (kg of CO2e) 35.52
Carbon emissions, end-of-life (kg of CO2e) 55.2
Features
Dell Display Manager (DDM) compatibility Yes
Other features
Heavy metals free Hg (mercury)
Ethernet LAN data rates 2500 Mbit/s
Ethernet LAN (RJ-45) ports 1
Picture-by-Picture (PbP) Yes
Automatic brightness control Yes
Compliance certificates RoHS
Height (without stand) 419.1 mm
Depth (without stand) 108 mm
Width (without stand) 946.6 mm
Power consumption (max) 380 W
Quick start guide Yes
HDMI Yes
Surface hardness 3H
USB Power Delivery up to 140 W
Energy efficiency scale A to G
USB Type-C DisplayPort Alternate Mode Yes
Power supply type Internal
Display brightness (peak) 600 cd/m�
Touchscreen No
USB Power Delivery (USB PD) Yes
Front bezel colour Black
Logistics data
Total carbon footprint (kg of CO2e) 480
Brand-specific features
Dell Display Manager (DDM) compatibility Yes

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