DELL UltraSharp U4025QW computer monitor 101.6 cm (40") 5120 x 2160 pixels 5K Ultra HD LCD Silver
- 101.6cm (40") 5K Ultra HD 5120 x 2160 LED IPS
- 8ms, 21:9, 450cd/m², 2000:1
- USB, HDMI, DisplayPort
Smoother visual experience
A 120Hz refresh rate delivers less flicker, more seamless scrolling and smoother motion than 60Hz monitors.
Ambient Light Sensor
A built-in Ambient Light Sensor intelligently optimises brightness and colour temperature based on your surroundings.
World's first 40" 5K monitor certified for 5-Star Eye Comfort
Every aspect of your work springs to life on this curved 5K monitor featuring a 120Hz refresh rate. You'll never miss a single detail.
Improved ComfortView Plus
Our latest monitors reduce harmful blue light emissions to <35%, compared to <50% from the previous generation, for all-day eye comfort without sacrificing colour accuracy.
See more detail than ever before
5K
See every detail with complete clarity on a 5K resolution monitor.
99%
DCI-P3 and Display P3 colour coverage.
IPS Black
Experience deeper blacks with a 2000:1 contrast ratio.
Internal Multi-Stream Transport (iMST)
Partition your display as if there were two 2560x2160 physical monitors instead of one. No external software or DisplayPort splitter needed.
Thunderbolt™ 4
Power your devices with a single cable connection with up to 140W power delivery.
Stay online
Connect to the Ethernet with a built-in RJ45 port with up to 2.5GbE.
Dell Display Manager
Multitasking
Organise your screen with Easy Arrange and save profiles with Easy Arrange Memory.
Network KVM
Control and work across multiple network connected PCs and monitors with a single keyboard and mouse, and easily transfer files between them.
Customisation
Quickly access your favourite features and functions with the menu launcher and hot keys.
Manageability
Manage your fleet of monitors with remote management features that are automatic, comprehensive and compatible with several tools.
Dell Colour Management
Customisable colours
Easily calibrate your monitor’s colours on the new Dell Colour Management software, with Calman Verified certification.
Tailored to you
Create, store, and manage ICC profiles on your computer dynamically through the software dashboard.
Wide compatibility
Dell Colour Management software is compatible with multiple operating systems including Windows and macOS®.
Environmentally-forward thinking
Sustainable materials
This monitor is made with 50% recycled steel, 85% post-consumer recycled plastics including closed-loop plastics, 100% recycled aluminium and at least 20% recycled glass.
Energy conservation
Using PowerNap mode in Dell Display Manager lowers energy use by up to 14.8%.
Packaging innovation
Ships in a box made with 100% renewable content that is also recyclable.
Elevated standards
Meets highest environmental standards and registered EPEAT Gold with Climate+ designation - this monitor has met industry best practices for decarbonisation.
Extensive connectivity
Connect all your devices with over a dozen ports, including pop-out quick access ports.
| Display | |
|---|---|
| HDCP | Yes |
| Display brightness (typical) | 450 cd/m² |
| 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 | 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/m² |
| 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 |
| 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 |
| European Product Registry for Energy Labelling (EPREL) code | 1821612 |
| 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 |
| Sustainability | |
| European Product Registry for Energy Labelling (EPREL) code | 1821612 |
| Total carbon footprint (kg of CO2e) | 480 |
| Sustainability certificates | ENERGY STAR, TCO |
| Doesn't contain | PVC/BFR |
| Indication | |
| LED indicators | Yes |
| Carbon footprint | |
| Total carbon footprint (kg of CO2e) | 480 |
| Total carbon emissions, w/o use phase (kg of CO2e) | 287.52 |
| 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/m² |
| 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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