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Dell Ultrasharp U4021QW

Dell Ultrasharp U4021QW

Regular price £1,280.00 GBP
Regular price £1,445.00 GBP Sale price £1,280.00 GBP
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Product Description

Introducing the Dell Ultrasharp U4021QW a 40" Dell curved monitor 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.

Connectivity Options

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

What's in the box?

Tech Specs


Display Type

LED-backlit LCD monitor / TFT active matrix

Energy Class

Class G

Energy Consumption per Year

140.86 kWh

Diagonal Size


Viewable Size


Curved Screen

Yes (2500R)

Built-in Devices

KVM Switch, USB 3.2 Gen 2/USB-C hub

Panel Type


Aspect Ratio


Native Resolution

WUHD 5120 x 2160 (DisplayPort: 60 Hz, HDMI: 30 Hz)

Pixel Pitch

0.1815 mm

Pixel Per Inch



300 cd/m²

Contrast Ratio


Colour Support

1.07 billion colours

Response Time

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


Screen Coating

Anti-glare 3H hardness

Backlight Technology

LED backlight


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

Dimensions (WxDxH)

94.66 cm x 24.8 cm x 45.78 cm - with stand





Speakers - stereo

Output Power / Channel

9 Watt



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

Tilt Angle


Swivel Angle


Height Adjustment

120 mm

VESA Mounting Interface

100 x 100 mm



Security lock slot (cable lock sold separately), VESA interface support, anti-theft stand lock slot

Compliant Standards

RoHS, halogen-free, BFR-free, DisplayPort 1.4, HDCP 2.2, PVC-free

Security Slot Type

Kensington security slot


Input Voltage

AC 120/230 V (50/60 Hz)

Power Consumption (On mode)

41.3 W

Power Consumption SDR (On mode)

41.3 kWh/1000h

Power Consumption Stand by

0.3 Watt

Power Consumption (Off Mode)

0.3 Watt

Software / System Requirements

Included Software

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

Shipping Weight

21.6 kg

Environmental Standards

TCO Certified

TCO Certified Displays 8

EPEAT Compliant




Environmental Parameters

Min Operating Temperature

0 °C

Max Operating Temperature

40 °C

Humidity Range Operating

10 - 80% (non-condensing)

What's in The Box

1 x Monitor

1 x Stand

1 x UK power cable

1 x Connectivity cable (minimum)

Warranty Terms

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:

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