Introducing the Dell U4021QW a curved 40" screen with native 5120 x 2160 resolution.
Featuring a non reflective screen and built in blue light reduction to protect your eyes from potentially harmful blue light emissions.
Easily connect via Thunderbolt 3, HDMI, Display Port, USB-C, USB-C 3.2, USB & USB 3.2.
Designed to sit easily in your space with a stand that adjusts Height, swivels & tilts.
With a sleek Black & Silver design this monitor really looks the part.
A Contrast Ratio of 1000:1 keeps visual content crisp and well defined.
Picture-In-Picture (PIP) and Picture-By-Picture (PBP) features enable you to view content from two different computer sources simultaneously.
Create visuals that meet demanding graphic needs suitable for; Content creation, Video and photo editing, Presenting highly detailed charts and graphs & you can create and view multiple documents at once.
Enjoy enhanced audio and impressive visuals on a large 40" monitor with an ultra wide 21:9 aspect ratio and powerful dual 9W speakers for great sound.
Conserve energy with the Dell Power Nap feature which puts your monitor to sleep whilst it is not in use.
Dell commercial monitors come in recyclable cardboard packaging which is made from corrugate and virgin cardboard material. Unfortunately the foam cushioning and plastic bags contained within are not yet widely recycled.
Ports & Slots:
1. Security lock slot | 2. Power connector | 3. HDMI port | 4. HDMI port | 5. DisplayPort in | 6. Audio line-out port | 7. Thunderbolt 3 (90W)/DisplayPort | 8. USB upstream port | 9. Super speed USB 10 Gbps (USB 3.2 Gen 2 (4)) | 10. RJ45 | 11. USB-C downstream port | 12. Stand lock
LED-backlit LCD monitor / TFT active matrix
Energy Consumption per Year
KVM Switch, USB 3.2 Gen 2/USB-C hub
WUHD 5120 x 2160 (DisplayPort: 60 Hz, HDMI: 30 Hz)
Pixel Per Inch
1.07 billion colours
8 ms (grey-to-grey normal); 5 ms (grey-to-grey fast)
Vertical Refresh Rate
24 - 86 Hz
Horizontal Refresh Rate
27 - 133 kHz
Horizontal Viewing Angle
Vertical Viewing Angle
Anti-glare 3H hardness
100% sRGB colour gamut, integrated cable management, Mercury free, Factory Calibration Report, 98% DCI-P3, Dell Easy Arrange, arsenic free, Picture-in-Picture, Picture-by-Picture, 3-sided bezeless
94.66 cm x 24.8 cm x 45.78 cm - with stand
Speakers - stereo
Output Power / Channel
2 x HDMI (HDCP 2.2), DisplayPort (DisplayPort 1.4 mode, HDCP 2.2), Thunderbolt 3 / USB-C upstream (DisplayPort 1.4 mode / power up to 90W), USB-C 3.2 Gen 2 downstream (power up to 15W), USB upstream (Type B), 3 x USB 3.2 Gen 1 downstream, USB 3.2 Gen 2 downstream with Battery Charging 1.2, Audio line-out, Network (RJ-45)
Display Position Adjustments
Height, swivel, tilt
VESA Mounting Interface
100 x 100 mm
Security lock slot (cable lock sold separately), VESA interface support, anti-theft stand lock slot
RoHS, halogen-free, BFR-free, DisplayPort 1.4, HDCP 2.2, PVC-free
Security Slot Type
Kensington security slot
AC 120/230 V (50/60 Hz)
Power Consumption (On mode)
Power Consumption SDR (On mode)
Power Consumption Stand by
Power Consumption (Off Mode)
Software / System Requirements
Dell Display Manager
Dimensions & Weight
Dimensions & Weight Details
With stand - width: 94.66 cm - depth: 24.8 cm - height: 45.78 cm - weight: 14.4 kg
Without stand - width: 94.66 cm - depth: 5.96 cm - height: 41.91 cm - weight: 9.5 kg
TCO Certified Displays 8
ENERGY STAR Certified
Min Operating Temperature
Max Operating Temperature
Humidity Range Operating
10 - 80% (non-condensing)
What's in The Box
What's in The Box
1 x Monitor
1 x Stand
1 x UK power cable
1 x Connectivity cable (minimum)
This Item comes with a 1 year return to base warranty. (Further info available on our warranty terms page.)
** Please note we purchase this stock from Dell without warranty. The warranty will be provided by Jamm21 Ltd and not Dell.
We endeavour to provide outstanding customer service. If you have any issues with your item please contact us at: email@example.com