DELL UltraSharp U4025QW computer monitor 101.6 cm (40") 5120 x 2160 pixels 5K Ultra HD LCD Silver
Key Features
- 101.6 cm (40")
- 5120 x 2160 pixels
- 5K Ultra HD
- LCD
- 8 ms
- Silver
Why Choose This Product?
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 monitors 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.
DELL UltraSharp U4025QW computer monitor 101.6 cm (40") 5120 x 2160 pixels 5K Ultra HD LCD Silver
Brand: DELL
Display
| Display diagonal | 101.6 cm (40") |
| Display resolution | 5120 x 2160 pixels |
| HD type | 5K Ultra HD |
| Native aspect ratio | 21:9 |
| Display technology | LCD |
| Panel type | IPS |
| Backlight type | LED |
| Touchscreen | No |
| Display brightness (peak) | 600 cd/m² |
| Display brightness (typical) | 450 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 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 |
| Contrast ratio (typical) | 2000:1 |
| Maximum refresh rate | 120 Hz |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display number of colours | 1.07 billion colours |
| Response time (fast) | 5 ms |
| Pixel pitch | 0.1815 x 0.1815 mm |
| Pixel density | 140 ppi |
| 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 |
| High Dynamic Range (HDR) supported | Yes |
| Surface hardness | 3H |
| Colour gamut standard | DCI-P3 |
| Colour gamut | 99% |
| sRGB coverage (typical) | 100% |
| Dual ambient light sensor | Yes |
| Dell ComfortView technology | Yes |
| Heat dissipation | 134.8 BTU/h |
Performance
| AMD FreeSync | No |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| Windows operating systems supported | Windows 10, Yes |
| Mac operating systems supported | MacOS |
Multimedia
| Number of speakers | 2 |
| RMS rated power | 18 W |
| Built-in speaker(s) | Yes |
| Built-in camera | No |
Design
| Product colour | Silver |
| Front bezel colour | Black |
| Feet colour | Silver |
Ports & interfaces
| Built-in USB hub | Yes |
| Number of USB Type-C upstream ports quantity | 2 |
| USB Type-A downstream ports quantity | 5 |
| USB Type-C downstream ports quantity | 3 |
| USB Type-C DisplayPort Alternate Mode | Yes |
| USB Power Delivery (USB PD) | Yes |
| USB Power Delivery up to | 140 W |
| HDMI | Yes |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| Thunderbolt 4 ports quantity | 2 |
| Audio output | Yes |
| Headphone out | No |
| Built-in KVM switch | Yes |
| HDCP | Yes |
| HDCP version | 1.4/2.3 |
| DC-in jack | Yes |
Ergonomics
| VESA mounting | Yes |
| Panel mounting interface | 100 x 100 mm |
| Cable management | Yes |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Height adjustment | Yes |
| Adjustable height (max) | 15 cm |
| Swivelling | Yes |
| Swivel angle range | -30 - 30° |
| Tilt adjustment | Yes |
| Tilt angle range | -5 - 21° |
| Picture-in-Picture | Yes |
| On Screen Display (OSD) | Yes |
| Plug and Play | Yes |
| LED indicators | Yes |
Power
| 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 |
| Power consumption (typical) | 39.5 W |
| Power consumption (standby) | 0.4 W |
| Power consumption (max) | 380 W |
| Power consumption (off) | 0.3 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Input current | 4.2 A |
| Power supply type | Internal |
| Energy efficiency scale | A to G |
| European Product Registry for Energy Labelling (EPREL) code | 1821612 |
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% |
| Operating altitude | 0 - 5000 m |
| Non-operating altitude | 0 - 12192 m |
Weight & dimensions
| Width (with stand) | 946.6 mm |
| Depth (with stand) | 252.8 mm |
| Height (with stand) | 472.3 mm |
| Weight (with stand) | 11.7 kg |
| Width (without stand) | 946.6 mm |
| Depth (without stand) | 108 mm |
| Height (without stand) | 419.1 mm |
| Weight (without stand) | 8.35 kg |
| Bezel width (side) | 1.13 cm |
| Bezel width (top) | 1.13 cm |
| Bezel width (bottom) | 1.58 cm |
Packaging data
| Package weight | 19 kg |
| USB cable length | 1 m |
Packaging content
| Stand included | Yes |
| Cables included | AC, DisplayPort, HDMI, Thunderbolt, USB Type-A to USB Type-C |
| Quick start guide | Yes |
| DisplayPort cable length | 1.8 m |
| HDMI cable length | 1.8 m |
Sustainability
| Sustainability certificates | ENERGY STAR, TCO |
| Doesn't contain | PVC/BFR |
Carbon footprint
| Total carbon footprint (kg of CO2e) | 480 |
| Carbon emissions, manufacturing (kg of CO2e) | 196.8 |
| Carbon emissions, logistics (kg of CO2e) | 35.52 |
| Carbon emissions, energy usage (kg of CO2e) | 192.48 |
| Carbon emissions, end-of-life (kg of CO2e) | 55.2 |
| PAIA version | GaBi version 1, 2024 |
Other features
| Picture-by-Picture (PbP) | Yes |
| Heavy metals free | Hg (mercury) |
| Automatic brightness control | Yes |
| Compliance certificates | RoHS |
| Ethernet LAN data rates | 2500 Mbit/s |
| Ethernet LAN (RJ-45) ports | 1 |
Brand-specific features
| Dell Display Manager (DDM) compatibility | Yes |