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.
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
Total carbon emissions, w/o use phase (kg of CO2e)
