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DELL 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

Sale price  £1,087.45 Regular price  £1,317.33
Taxes included. Shipping calculated at checkout.

Made with care

Great value

Elegant design

Quality materials

Details
101.6cm (40") 5K Ultra HD 5120 x 2160 LED IPS, 21:9, 450cd/m², 1.07B, 8ms, 178°/178°, 2000:1, SuperSpeed USB A to USB C - 10 Gbps (1m) Upstream cable

Key Features

  • 101.6cm (40") 5K Ultra HD 5120 x 2160 LED IPS
  • 8ms, 21:9, 450cd/m², 2000:1
  • USB, HDMI, DisplayPort

Reasons To Buy

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.

Description

Elevate your performance with a 40-inch curved Thunderbolt™ hub monitor featuring a stunning 5K display and a 120Hz refresh rate.

Specifications

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
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
Shipping & Returns

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.

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