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

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.
Specs
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
Display brightness (peak) 600 cd/m²
Display brightness (typical) 450 cd/m²
Response time 8 ms
Anti-glare screen
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
Surface hardness 3H
Colour gamut standard DCI-P3
Colour gamut 99%
sRGB coverage (typical) 100%
Dual ambient light sensor
Dell ComfortView technology
Heat dissipation 134.8 BTU/h
Performance
AMD FreeSync
Flicker-free technology
Low Blue Light technology
Windows operating systems supported Windows 10, Yes
Mac operating systems supported MacOS
Multimedia
Built-in speaker(s)
Built-in camera
Number of speakers 2
RMS rated power 18 W
Design
Product colour Silver
Front bezel colour Black
Feet colour Silver
Heavy metals free Hg (mercury)
Ports & interfaces
Built-in USB hub
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
USB Power Delivery
USB Power Delivery up to 140 W
HDMI
HDMI ports quantity 1
HDMI version 2.1
DisplayPorts quantity 1
DisplayPort version 1.4
Thunderbolt 4 ports quantity 2
Audio output
Headphone out
Built-in KVM switch
HDCP
HDCP version 1.4/2.3

Ports & interfaces
DC-in jack
Ergonomics
VESA mounting
Panel mounting interface 100 x 100 mm
Cable management
Cable lock slot
Cable lock slot type Kensington
Height adjustment
Height adjustment 15 cm
Swivelling
Swivel angle range -30 - 30°
Tilt adjustment
Tilt angle range -5 - 21°
Picture-in-Picture
On Screen Display (OSD)
Plug and Play
LED indicators
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
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
Packaging content
Stand included
Cables included AC, DisplayPort, HDMI, Thunderbolt, USB Type-A to USB Type-C
Quick start guide
DisplayPort cable length 1.8 m
HDMI cable length 1.8 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
Sustainability
Sustainability certificates ENERGY STAR, TCO
Doesn't contain PVC/BFR
European Product Registry for Energy Labelling (EPREL) code 1821612
Brand-specific features
Dell Display Manager (DDM) compatibility
Technical details
Compliance certificates RoHS
Other features
Picture-by-Picture (PbP)
Automatic brightness control
Ethernet LAN data rates 2500 Mbit/s
Ethernet LAN (RJ-45) ports 1
Distributors
Country Distributor
3 distributor(s)
2 distributor(s)
2 distributor(s)
3 distributor(s)
5 distributor(s)
3 distributor(s)
2 distributor(s)
2 distributor(s)
2 distributor(s)
1 distributor(s)
1 distributor(s)
1 distributor(s)
Disclaimer DELL UltraSharp U4025QW computer monitor 101.6 cm (40") 5120 x 2160 pixels 5K Ultra HD LCD Silver :

Actual configuration might differ from illustration