DELL UltraSharp U4025QW 40″ 5K 2160p 120Hz USB-C Hub Silver

£1,557.37 inc VAT

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About This Item

  • 40-inch 5K Ultra HD curved display with 140 ppi and 21:9 aspect ratio
  • 120 Hz maximum refresh rate with 5 ms response time and IPS panel technology
  • 450 cd/m² typical brightness with 600 cd/m² peak and HDR support
  • Built-in Thunderbolt 4 hub with 140 W USB Power Delivery and 2.5 Gigabit Ethernet
  • KVM switch support with Picture-by-Picture and dual USB-C upstream ports
  • Height, tilt and swivel adjustment with VESA mounting and Kensington lock slot

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Description

DELL UltraSharp U4025QW – A 5K Thunderbolt hub for professionals

We supply the DELL UltraSharp U4025QW computer monitor 101.6 cm (40″) 5120 x 2160 pixels 5K Ultra HD LCD Silver to users who need expansive, colour-accurate desktop space. Its 40-inch curved 5K panel delivers crisp detail at 140 ppi. The 120 Hz refresh rate keeps motion smooth for daily workflows. This model suits designers, developers, and analysts who value clarity and consistency.

Core numbers at a glance

Metric Spec.
Display diagonal 101.6 cm (40″)
Resolution 5120 x 2160 pixels
Panel type IPS
Typical brightness 450 cd/m²
Maximum refresh rate 120 Hz
Curvature 2500R

Curved 5K clarity for detail-rich work

The 5120 x 2160 resolution gives 140 ppi across a 40-inch canvas. In practice, text stays razor-sharp and vector graphics render cleanly. The 2500R curve reduces head movement across the panel. Because the IPS panel offers wide viewing angles, colour remains stable from edge to edge.

Consistent colour for creative tasks

This monitor covers 99% of the DCI-P3 colour gamut and 100% of sRGB. We find it reliable for photo editing, UI design, and video review. The dual ambient light sensor and automatic brightness control help maintain a steady image across changing room light. Dell ComfortView and Low Blue Light technologies reduce eye strain during long sessions.

Smooth 120 Hz motion for everyday use

A 120 Hz refresh rate delivers fluid scrolling and responsive cursor tracking. The fast response time reduces smearing on moving content. While this is not a gaming panel, motion clarity benefits productivity work. HDR support adds extra punch when viewing compatible content.

Thunderbolt 4 hub with high-power delivery

Two Thunderbolt 4 ports and USB Type-C with DisplayPort Alt Mode provide single-cable connectivity. USB Power Delivery up to 140 W charges compatible laptops while carrying video, data, and network. The built-in 2.5 Gbit/s Ethernet RJ-45 port adds stable wired networking through the hub. A KVM switch helps you control two computers with one keyboard and mouse.

Integrated connectivity and audio

We include one HDMI 2.1 port and one DisplayPort 1.4 for direct sources. The USB hub offers five USB-A and three USB-C downstream ports for peripherals. Two 9 W RMS speakers provide basic audio for calls and presentations. Cable management keeps the desk tidy, and a Kensington lock slot supports security.

In the box

  • DELL UltraSharp U4025QW monitor
  • Stand
  • DisplayPort cable (1.8 m)
  • HDMI cable (1.8 m)
  • Thunderbolt cable
  • USB Type-A to USB Type-C cable (1 m)
  • AC power cable
  • Quick start guide

Before you order

  • Confirm your laptop supports Thunderbolt 4 or USB-C with DisplayPort Alt Mode.
  • Check that your system can drive 5120 x 2160 at 120 Hz over the available port.
  • Ensure desk depth suits the 40-inch curved footprint and stand depth.
  • Verify your workflow benefits from a 21:9 ultrawide aspect ratio.

Frequently Asked Questions

Q: Does the DELL UltraSharp U4025QW support picture-by-picture?

A: Yes, it supports Picture-by-Picture and Picture-in-Picture modes.

Q: Can it charge a laptop over USB-C?

A: Yes, USB Power Delivery provides up to 140 W to compatible devices.

Q: Is the stand height adjustable?

A: Yes, height adjustment offers up to 15 cm of travel.

Q: What video inputs are available?

A: It includes HDMI 2.1 and DisplayPort 1.4, plus Thunderbolt 4 and USB-C with DP Alt Mode.

Q: Does it include a webcam?

A: No, there is no built-in camera.

Who it is for

This monitor suits professionals who want a single-cable 5K workspace with integrated networking and KVM control. It is a strong fit for designers, engineers, and multi-device users who value colour accuracy and smooth motion. Warranty cover varies by product, so please contact us to confirm.

Specifications
Display
HDCPYes
Display brightness (typical)450 cd/m²
Screen shapeCurved
Display number of colours1.07 billion colours
Native aspect ratio21:9
Pixel density140 ppi
Colour gamut99%
Maximum refresh rate120 Hz
sRGB coverage (typical)100%
HD type5K Ultra HD
Display technologyLCD
Viewing angle, horizontal178°
Viewing angle, vertical178°
Pixel pitch0.1815 x 0.1815 mm
Horizontal scan range25 - 280 kHz
Vertical scan range48 - 120 Hz
Viewable size, horizontal92.9 cm
Viewable size, vertical39.2 cm
Viewable size diagonal100.9 cm
Supported graphics resolutions640 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 modes480p, 720p, 1080p
Backlight typeLED
Display resolution5120 x 2160 pixels
Response time8 ms
Display diagonal101.6 cm (40")
Contrast ratio (typical)2000:1
Surface hardness3H
Response time (fast)5 ms
Display brightness (peak)600 cd/m²
TouchscreenNo
High Dynamic Range (HDR) supportedYes
Panel typeIPS
Heat dissipation134.8 BTU/h
Dual ambient light sensorYes
Dell ComfortView technologyYes
Screen curvature rating2500R
Colour gamut standardDCI-P3
Anti-glare screenYes
Audio
Built-in speaker(s)Yes
RMS rated power18 W
Performance
Built-in speaker(s)Yes
RMS rated power18 W
Built-in cameraNo
AMD FreeSyncNo
Windows operating systems supportedWindows 10, Yes
Mac operating systems supportedMacOS
Low Blue Light technologyYes
Flicker-free technologyYes
Management features
On Screen Display (OSD)Yes
Plug and PlayYes
Picture-in-PictureYes
Network
Ethernet LAN data rates2500 Mbit/s
Ethernet LAN (RJ-45) ports1
Multimedia
Number of speakers2
Built-in speaker(s)Yes
RMS rated power18 W
Built-in cameraNo
Design
Heavy metals freeHg (mercury)
Feet colourSilver
Product colourSilver
Front bezel colourBlack
Camera
Built-in cameraNo
Ports & interfaces
Built-in USB hubYes
USB Type-A downstream ports quantity5
USB Type-C downstream ports quantity3
Headphone outNo
DC-in jackYes
HDMI ports quantity1
DisplayPorts quantity1
HDCPYes
Audio outputYes
HDMIYes
HDMI version2.1
DisplayPort version1.4
USB Power Delivery (USB PD)Yes
USB Power Delivery up to140 W
USB Type-C DisplayPort Alternate ModeYes
Number of USB Type-C upstream ports quantity2
Built-in KVM switchYes
Thunderbolt 4 ports quantity2
HDCP version1.4/2.3
Ethernet LAN data rates2500 Mbit/s
Ethernet LAN (RJ-45) ports1
Technical details
Height (without stand)419.1 mm
Depth (without stand)108 mm
Width (without stand)946.6 mm
Feet colourSilver
Cable lock slotYes
HDMIYes
Product colourSilver
Front bezel colourBlack
Sustainability certificatesENERGY STAR, TCO
Doesn't containPVC/BFR
Compliance certificatesRoHS
Power supply typeInternal
Weight (with stand)11.7 kg
Surface hardness3H
TouchscreenNo
Software
Windows operating systems supportedWindows 10, Yes
Mac operating systems supportedMacOS
Ergonomics
VESA mountingYes
Cable lock slotYes
Panel mounting interface100 x 100 mm
LED indicatorsYes
SwivellingYes
Swivel angle range-30 - 30°
Tilt angle range-5 - 21°
On Screen Display (OSD)Yes
Plug and PlayYes
Picture-in-PictureYes
Height adjustmentYes
Cable lock slot typeKensington
Cable managementYes
Tilt adjustmentYes
Adjustable height (max)15 cm
Picture-by-Picture (PbP)Yes
Power
Power supply typeInternal
AC input voltage100 - 240 V
AC input frequency50/60 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 current4.2 A
Energy efficiency scaleA to G
Energy efficiency class (SDR)F
Energy efficiency class (HDR)G
Energy consumption (SDR) per 1000 hours40 kWh
Energy consumption (HDR) per 1000 hours62 kWh
Operational conditions
Non-operating altitude0 - 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 altitude0 - 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 weight19 kg
Packaging data
Package weight19 kg
USB cable length1 m
Stand includedYes
Quick start guideYes
Cables includedAC, DisplayPort, HDMI, Thunderbolt, USB Type-A to USB Type-C
DisplayPort cable length1.8 m
HDMI cable length1.8 m
Packaging content
Stand includedYes
Quick start guideYes
Cables includedAC, DisplayPort, HDMI, Thunderbolt, USB Type-A to USB Type-C
DisplayPort cable length1.8 m
HDMI cable length1.8 m
USB cable length1 m
Indication
LED indicatorsYes
Sustainability
Total carbon footprint (kg of CO2e)480
Sustainability certificatesENERGY STAR, TCO
Doesn't containPVC/BFR
Carbon footprint
Total carbon footprint (kg of CO2e)480
PAIA versionGaBi 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) compatibilityYes
Other features
Heavy metals freeHg (mercury)
Ethernet LAN data rates2500 Mbit/s
Ethernet LAN (RJ-45) ports1
Picture-by-Picture (PbP)Yes
Automatic brightness controlYes
Compliance certificatesRoHS
Height (without stand)419.1 mm
Depth (without stand)108 mm
Width (without stand)946.6 mm
Power consumption (max)380 W
Quick start guideYes
HDMIYes
Surface hardness3H
USB Power Delivery up to140 W
Energy efficiency scaleA to G
USB Type-C DisplayPort Alternate ModeYes
Power supply typeInternal
Display brightness (peak)600 cd/m²
TouchscreenNo
USB Power Delivery (USB PD)Yes
Front bezel colourBlack
Logistics data
Total carbon footprint (kg of CO2e)480
Brand-specific features
Dell Display Manager (DDM) compatibilityYes
Identifiers
Distributor SKUsCK22873, CP59800, 9914431, 210-BMDV, 517421, STD10218855, U4025QW, 1924753, 5348246326
Additional EANs0884116452041

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