DELL U4025QW 40" 120Hz 8ms 5K Ultra HD Desktop Monitor
SKU: DELL-U4025QW
£1,224.30 (Excl. VAT)
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Dell U4025QW 40" 5K Ultra HD Curved Monitor – 120Hz, IPS Black, Thunderbolt 4, iMST, Eye Comfort, RJ45 2.5GbE

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 ManagementCustomisable 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 thinkingSustainable 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. -
Feature Details 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 Screen shape Curved Screen curvature rating 2500R Supported graphics resolutions Wide range including 640x480 to 5120x2160 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 Pixel density 140 ppi HDMI version 2.1 DisplayPorts quantity 1 DisplayPort version 1.4 Thunderbolt 4 ports quantity 2 USB Type-C upstream ports quantity 2 USB Type-A downstream ports quantity 5 USB Type-C downstream ports quantity 3 USB Power Delivery up to 140 W Built-in speaker(s) Yes (2 speakers) RMS rated power 18 W Product colour Silver Front bezel colour Black Height adjustment 15 cm Swivel angle range -30° to 30° Tilt angle range -5° to 21° VESA mounting Yes (100 x 100 mm) Power consumption (typical) 39.5 W Operating temperature (T-T) 0 to 40 °C Storage temperature (T-T) -20 to 60 °C Energy efficiency class (SDR) F Energy consumption (SDR) per 1000 hrs 40 kWh EnergyStar certified Yes TCO certified Yes Weight (with stand) 11.7 kg Weight (without stand) 8.35 kg Packaging weight 19 kg Cable management Yes Plug and Play Yes Built-in KVM switch Yes HDCP version 1.4/2.3 Sustainability certificates ENERGY STAR, TCO Carbon footprint 480 kg CO2e (total) RoHS compliant Yes -
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