101.6cm (40") 5K Ultra HD 5120 x 2160 LED IPS, 21:9, 450cd/m², 1.07B, 8ms, 178°/178°, 2000:1

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

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

See more detail than ever before​    
See every detail with complete clarity on a 5K resolution monitor.99%DCI-P3 and Display P3 colour coverage.IPS BlackExperience 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 Power
Nap 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.

Display
Colour gamut standard	DCI-P3
Heat dissipation	134.8 BTU/h
Dell ComfortView technology	Yes
Dual ambient light sensor	Yes
sRGB coverage (typical)	100%
Colour gamut	99%
Surface hardness	3H
High Dynamic Range (HDR) supported	Yes
Viewable size diagonal	100.9 cm
Viewable size, vertical	39.2 cm
Viewable size, horizontal	92.9 cm
Vertical scan range	48 - 120 Hz
Horizontal scan range	25 - 280 kHz
Pixel density	140 ppi
Pixel pitch	0.1815 x 0.1815 mm
Response time (fast)	5 ms
Display number of colours	1.07 billion colours
Viewing angle, vertical	178°
Viewing angle, horizontal	178°
Maximum refresh rate	120 Hz
Contrast ratio (typical)	2000:1
Supported video modes	480p, 720p, 1080p
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
Screen curvature rating	2500R
Screen shape	Curved
Anti-glare screen	Yes
Response time	8 ms
Display brightness (typical)	450 cd/m²
Display brightness (peak)	600 cd/m²
Backlight type	LED
Panel type	IPS
HD type	5K Ultra HD
Touchscreen	No
Display technology	LCD
Native aspect ratio	21:9
Display resolution	5120 x 2160 pixels
Display diagonal	101.6 cm (40")

Performance
Mac operating systems supported	MacOS
Windows operating systems supported	Windows 10, Yes
Low Blue Light technology	Yes
Flicker-free technology	Yes
AMD FreeSync	No

Multimedia
RMS rated power	18 W
Number of speakers	2
Built-in camera	No
Built-in speaker(s)	Yes

Design
Heavy metals free	Hg (mercury)
Feet colour	Silver
Front bezel colour	Black
Product colour	Silver

Ports & interfaces
DC-in jack	Yes
HDCP version	1.4/2.3
HDCP	Yes
Built-in KVM switch	Yes
Headphone out	No
Audio output	Yes
Thunderbolt 4 ports quantity	2
DisplayPort version	1.4
DisplayPorts quantity	1
HDMI version	2.1
HDMI ports quantity	1
HDMI	Yes
USB Power Delivery up to	140 W
USB Power Delivery	Yes
USB Type-C DisplayPort Alternate Mode	Yes
USB Type-C downstream ports quantity	3
USB Type-A downstream ports quantity	5
Number of USB Type-C upstream ports quantity	2
Built-in USB hub	Yes

Ergonomics
Tilt adjustment	Yes
LED indicators	Yes
Plug and Play	Yes
On Screen Display (OSD)	Yes
Picture-in-Picture	Yes
Tilt angle range	-5 - 21°
Swivel angle range	-30 - 30°
Swivelling	Yes
Height adjustment	15 cm
Height adjustment	Yes
Cable lock slot type	Kensington
Cable lock slot	Yes
Cable management	Yes
Panel mounting interface	100 x 100 mm
VESA mounting	Yes

Power
Energy efficiency scale	A to G
Power supply type	Internal
Input current	4.2 A
AC input frequency	50/60 Hz
AC input voltage	100 - 240 V
Power consumption (off)	0.3 W
Power consumption (max)	380 W
Power consumption (standby)	0.4 W
Power consumption (typical)	39.5 W
Energy consumption (HDR) per 1000 hours	62 kWh
Energy consumption (SDR) per 1000 hours	40 kWh
Energy efficiency class (HDR)	G
Energy efficiency class (SDR)	F

Operational conditions
Non-operating altitude	0 - 12192 m
Operating altitude	0 - 5000 m
Storage relative humidity (H-H)	5 - 90%
Operating relative humidity (H-H)	10 - 80%
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 40 °C

Packaging content
HDMI cable length	1.8 m
DisplayPort cable length	1.8 m
Quick start guide	Yes
Cables included	AC, DisplayPort, HDMI, Thunderbolt, USB Type-A to USB Type-C
Stand included	Yes

Weight & dimensions
Bezel width (bottom)	1.58 cm
Bezel width (top)	1.13 cm
Bezel width (side)	1.13 cm
Weight (without stand)	8.35 kg
Height (without stand)	419.1 mm
Depth (without stand)	108 mm
Width (without stand)	946.6 mm
Weight (with stand)	11.7 kg
Height (with stand)	472.3 mm
Depth (with stand)	252.8 mm
Width (with stand)	946.6 mm

Packaging data
USB cable length	1 m
Package weight	19 kg

Sustainability
European Product Registry for Energy Labelling (EPREL) code	1821612
Doesn't contain	PVC/BFR
Sustainability certificates	ENERGY STAR, TCO

General
Product Family	UltraSharp

Carbon footprint
Carbon emissions (Manufacturing)	197 kg of CO2e
Carbon emissions (Logistics)	36 kg of CO2e
Carbon emissions (Use)	192 kg of CO2e
Carbon emissions (End-of-Life)	55 kg of CO2e
Total carbon emissions (w/o Use phase)	288 kg of CO2e
PAIA version	GaBi verison1
Total carbon footprint	480 kg of CO2e

Brand-specific features
Dell Display Manager (DDM) compatibility	Yes

Technical details
Compliance certificates	RoHS

Other features
Ethernet LAN (RJ-45) ports	1
Ethernet LAN data rates	2500 Mbit/s
Automatic brightness control	Yes
Picture-by-Picture (PbP)	Yes