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Dell Ultrasharp U3423WE - 34 Inch Curved WQHD USB-C hub Monitor

Dell Ultrasharp U3423WE - 34 Inch Curved WQHD USB-C hub Monitor

Regular price £549.00 GBP
Regular price Sale price £549.00 GBP
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Product Description

Experience immersive productivity with superior contrast and colour on a 34 inch curved WQHD monitor with IPS Black technology and ComfortView Plus.

Beauty in the way you work
Immerse yourself in deep blacks, vivid colours and effortless productivity on this 34” curved WQHD (3440 x 1440) monitor.

All-encompassing experience
Exceptional contrast:
Experience superior black and consistent grey performance with exceptional contrast (2000:1) across a wide viewing angle with IPS Black technology.

Immersive design:
This ultra wide, curved screen improves your field of view, reduces reflections and creates a near-uniform visual focus.

Built-in speakers:
Deliver clear audio with integrated dual 5W speakers.

Brilliant colour:
See your work in vibrant, consistent colours across a wide viewing angle with a colour depth of 1.07 billion colours and wide colour coverage—98% of the DCI-P3 colour space (99% sRGB).

Enhanced eye comfort:
ComfortView Plus—an always-on, built-in low blue light screen—reduces potentially harmful blue light emissions without compromising colour

Your hub for connectivity
Jumpstart productivity:
Wake up and switch on your laptop with the power sync feature.

Enhanced connectivity:
Streamline your workspace with extensive connectivity ports including USB-C (up to 90W power delivery), RJ45 (Ethernet), DP1.4, and HDMI. Quick Access USB-C (up to 15W of power charging) and super speed USB 10Gbps ports enable easy connections and fast data transfers.

Multitask better:
Connect to two PC sources and Auto KVM (keyboard, video, mouse) will seamlessly switch controls over to the second connected PC. Use KVM feature to control both PCs with a single keyboard and mouse. The KVM wizard makes setup a breeze.

See more on one screen:
View content from two PC sources with Picture-in-Picture (PiP) and Picture-by-Picture (PbP).

Uninterrupted connection
RJ45 (Ethernet) lock to PC gives you the flexibility to lock the wired Ethernet to a chosen PC while continuing to work from dual PC inputs.

Improved Dell Display Manager
Modern Intuitive User Interface:
New modern user interface for ease of use and personalisation of features with Menu launcher.

Productive at every level:
Easy Arrange allows you to easily tile multiple applications across one or more screens with 49 pre-set window partitions and the ability to personalise up to five windows, giving you improved multitasking abilities.

Stay updated:
Get automatic notification anytime for new updates on monitor firmware and software.

Optimise front of screen experience:
Get uniform color experience from your monitor seamlessly by matching the color preset of the monitor and the supported ICC profile.

Easy setup and sharing of accessories:
Setup a single keyboard and mouse to be shared easily between multiple PCs with USB KVM wizard. Quick access menu or hotkey allow convenient fast switching between PCs.

Easy deployment:
DDM is compatible with management tools such as SCCM, InTune and Command Line Interface scripts for easy IT integration and deployment with asset management.

Style meets function
Designed with purpose:
With a premium platinum finish, a three-sided ultrathin bezel design, a small base and an elegant cable management system made to reduce clutter, it’s the monitor built to match any workspace.

Easy to use:
Navigate the menu and adjust screen settings with a conveniently-placed joystick control.

Built for comfort:
Tilt, swivel, slant and adjust the height of your monitor, so you can work however you’re most comfortable.

Green thinking for today and tomorrow
Environmental standards:
This monitor uses 85% PCR (Post-consumer Recyclable) plastic in the design, 90% recycled aluminum and meets the latest environmental standards, such as EnergyStar and TCO Certified Edge and is registered EPEAT Gold.

Eco-conscious packaging:
Designed with the environment in mind, Dell commercial monitors come in 100% recyclable cardboard packaging.

Energy conservation:
Save energy when your monitor’s not in use with PowerNap, a feature that dims or puts your monitor to sleep when it’s not in use.

Advanced sustainability:
Dell Technologies is committed to reducing environmental impact throughout the product lifecycle.

Connectivity Options

Ports & Slots
1. Security lock slot (based on Kensington Security Slot )
2. Power connector
3. HDMI port (2)
4. Stand lock feature
5. DisplayPort
6. Type-C upstream port (video and data) Super speed USB 10 Gbps (USB 3.2 Gen2)
7. Audio line-out port
8. Type-C upstream port (data only) Super speed USB 10 Gbps (USB 3.2 Gen2)
9. Type-A downstream port (4) Super speed USB 10 Gbps (USB 3.2 Gen2)
10. RJ45 port
11. Type-A downstream port with Power Charging. Super speed USB 10 Gbps (USB 3.2 Gen2)
12. Type-C downstream port. Super speed USB 10 Gbps (USB 3.2 Gen2)
13. Speakers

Tech Specs


Display Type

Active matrix - TFT LCD

Diagonal Size


Viewable Size


Curved Screen


Built-in Devices

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

Panel Type

IPS Black

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

Colour Gamut

DCI-P3 98%, Display P3 98%, sRGB 100%, Rec 709 100%

Response Time

5 ms (grey-to-grey fast), 8 ms (grey-to-grey normal)

Horizontal Viewing Angle


Vertical Viewing Angle


Screen Coating

Anti-glare 3H hardness

Backlight Technology

WLED edgelight backlight


Mercury free, arsenic-free glass, Delta E<2 calibration, 3-sided bezeless, Dell ComfortView Plus

Dimensions (WxDxH)

81.326 cm x 23.744 cm x 39.277 cm - with stand (lowest position)


11.44 kg



Output Power / Channel

2 x 5W



1 x DisplayPort version 1.4 (HDCP2.2)
2 x HDMI port version 2.1 (TMDS) (HDCP2.2)
1 x USB Type-C upstream port (video and data) (Alternate mode with DisplayPort 1.4, Power Delivery PD up to 90 W)
1 x USB-C upstream port (data only, 10 Gbps USB 3.2 Gen2)
4 x super speed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream port
1 x super speed USB 10 Gbps (USB 3.2 Gen2) Type-C downstream port with charging capability at 15 W (maximum)
1 x super speed USB 10 Gbps (USB 3.2 Gen2) Type-A with BC1.2 charging capability at 2 A (maximum)
1 x Audio line-out port
1 x RJ45 port


Display Position Adjustments

Height, pivot (rotation), swivel, tilt

Tilt Angle


Swivel Angle


Height Adjustment

150 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, BFR-free, PVC-free


Input Voltage

AC 100/240 V (50 - 60 Hz)

Power Consumption (On mode)

31 W

Power Consumption (Typical)

198 Watt

Power Consumption Stand by

0.3 Watt

Power Consumption (Off Mode)

0.3 Watt

On / Off Switch


Dimensions & Weight

Dimensions & Weight Details

With stand (lowest position) - width: 81.326 cm - depth: 23.744 cm - height: 39.277 cm - weight: 11.44 kg
With stand (highest position) - width: 81.326 cm - depth: 23.744 cm - height: 54.277 cm - weight: 11.44 kg
Without stand - width: 81.326 cm - depth: 5.75 cm - height: 35.905 cm - weight: 7.72 kg

Shipping Weight

15.65 kg

Environmental Standards
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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