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

£1449.47

£1739.36 inc. VAT

Low Stock(4)MPN: DELL-U4025QW
🚚 Next-day delivery £4.95
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Key Features

Dell UltraSharp U4025QW
LED monitor
curved
40" (39.7" viewable)
5120 x 2160 5K2K UltraWide @ 120 Hz
IPS
600 cd/m�
2000:1

Product Overview

AI-generated summary

The Dell UltraSharp U4025QW is one of those monitors that’s brilliant if your job really benefits from lots of usable screen real estate, but it’s overkill (and expensive) if you just need “a nice screen.” For the money, you’re paying for comfort and clarity over long hours: sharp text, good scaling for productivity, and a layout that makes multi-window work feel effortless. If you’re doing data analysis, trading, software development, CAD-adjacent work, or anything where you live with documents and dashboards side-by-side, the wide, high-resolution format can genuinely improve speed because you’re constantly less likely to alt-tab or resize constantly.

That said, at £1449.47 ex-VAT it needs a clear use case and a capable workstation. If you’re mostly browsing, spreadsheets occasionally, or relying on video for casual work, a cheaper 4K/34–38" class monitor will feel like the smarter spend. Also, widescreen productivity can be more “habit forming” than you expect—if your desk is cramped or you don’t have the right viewing distance, you’ll end up fighting ergonomics rather than enjoying the extra space. In short: buy it if you’re a power user who will actually fill that canvas every day; don’t if you’re buying for “general office” needs or want value-per-pound over value-per-workflow.

Why This Product

Smoother visual experience

Smoother visual experience

A 120Hz refresh rate delivers less flicker, more seamless scrolling and smoother motion than 60Hz monitors.

Ambient Light Sensor

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

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

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​

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)

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.

Specifications

Display

Display diagonal40 "
Display resolution5120 x 2160 pixels
HD type5K Ultra HD
Native aspect ratio21:9
Display technologyLCD

Performance

AMD FreeSyncN
Flicker-free technologyY
Low Blue Light technologyY
Windows operating systems supportedWindows 10,Y
Mac operating systems supportedMacOS

Multimedia

Number of speakers2
RMS rated power18 W
Built-in speaker(s)Y
Built-in cameraN

Design

Product colourSilver
Front bezel colourBlack
Feet colourSilver

Ports & interfaces

Built-in USB hubY
Number of USB Type-C upstream ports quantity2
USB Type-A downstream ports quantity5
USB Type-C downstream ports quantity3
USB Type-C DisplayPort Alternate ModeY

Ergonomics

VESA mountingY
Panel mounting interface100 x 100 mm
Cable managementY
Cable lock slotY
Cable lock slot typeKensington

Power

Energy efficiency class (SDR)F
Energy efficiency class (HDR)G
Energy consumption (SDR) per 1000 hours40 kWh
Energy consumption (HDR) per 1000 hours62 kWh
Power consumption (typical)39.5 W

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 altitude0 - 5000 m

Carbon Footprint

Lifecycle CO₂ emissions — helping you make sustainable procurement decisions

480
kg CO₂e total
Manufacturing
196.8 kg (41%)
Logistics
35.52 kg (7%)
Energy Use
192.48 kg (40%)
End of Life
55.2 kg (12%)

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