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Dell U3421WE

Dell U3421WE

Regular price £463.00 GBP
Regular price £595.00 GBP Sale price £463.00 GBP
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Product Description

Introducing the USB-C Hub Dell U3421WE a curved 34" screen with native 3440 x 1440 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 HDMI, Display Port, USB-C & 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.

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.

Enjoy enhanced audio and impressive visuals on a large 34" monitor with an ultra wide 21:9 aspect ratio and powerful dual 5W speakers for great sound.

Connectivity Options

Ports & Slots:
1. Security lock slot | 2. Power connector | 3. HDMI port x 2 | 4. Stand lock feature | 5. DisplayPort | 6. USB-C upstream port | 7. Audio line-out port | 8. USB upstream port | 9. Super speed USB 5Gbps (USB 3.2 Gen1) x 3 | 10. RJ45 port | 11. Super speed USB 5Gbps (USB 3.2 Gen1) | 12. USB-C downstream port


Tech Specs


Display Type

LED-backlit LCD monitor / TFT active matrix

Energy Class

Class F

Diagonal Size


Viewable Size


Curved Screen


Built-in Devices

KVM Switch, USB 3.2 Gen 1/USB-C hub

USB Power Delivery

90 Watt

Panel Type


Aspect Ratio


Native Resolution

WQHD 3440 x 1440 at 60 Hz

Pixel Pitch

0.2325 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)

Horizontal Viewing Angle


Vertical Viewing Angle


Screen Coating

Anti-glare, 3H Hard Coating

Backlight Technology



Picture in picture, picture by picture, LED edgelight system, Mercury free, arsenic-free glass, Dell Easy Arrange, 3-sided bezeless

Dimensions (WxDxH)

81.33 cm x 23.74 cm x 39.28 cm - with stand

Power Consumption (On mode)

31.6 Watt



Speakers - stereo

Output Power / Channel

5 Watt



2 x HDMI, 2 x DisplayPort (DisplayPort 1.4 mode), USB-C upstream (DisplayPort 1.4 mode / power up to 90W), USB-C downstream (power up to 15W), USB 3.2 Gen 1 upstream (Type B), USB 3.2 Gen 1 downstream with Battery Charging 1.2, 3 x USB 3.2 Gen 1 downstream, Audio line-out, Network (RJ-45)


Display Position Adjustments

Height, swivel, tilt

Tilt Angle


Swivel Angle


Height Adjustment

150 mm



Security lock slot (cable lock sold separately)

Compliant Standards

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


Power Consumption (On mode)

31.6 Watt

Power Consumption (On mode)

31.6 Watt

Power Consumption (Max)

210 Watt

Power Consumption Stand by

0.3 Watt

Power Consumption (Off Mode)

0.2 Watt

Software / System Requirements

Dell Display Manager

Dimensions & Weight

Dimensions & Weight Details

With stand - width: 81.33 cm - depth: 23.74 cm - height: 39.28 cm

Without stand - width: 81.33 cm - depth: 6.02 cm - height: 35.91 cm - weight: 7.52 kg

Environmental Standards

TCO Certified

TCO Certified Displays 8



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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