Dell U3425WE UltraSharp 34 inch WQHD Curved Screen WLED LCD Monitor

Description

Dell U3425WE 34 Inch UltraSharp Curved Thunderbolt Hub UWQHD Monitor, Dual 5W Speakers, 1x HDMI, 1x DP 1.4, Thunderbolt 4, 3X USB-C, 5X USB-A 

The Dell UltraSharp U3425WE is a professional 34-inch UWQHD curved monitor designed for business professionals, creators, developers, analysts and advanced home-office users who need expansive screen space, accurate colours and powerful workstation connectivity. Featuring a 3440 × 1440 UWQHD resolution, 21:9 ultrawide aspect ratio, 1900R curvature and IPS Black technology, the U3425WE combines immersive viewing with professional display performance.

The monitor delivers a smooth 120Hz refresh rate, 2000:1 native contrast ratio, 300 cd/m² brightness and support for 1.07 billion colours. Its extensive colour coverage includes 100% Adobe RGB, 100% sRGB, 100% BT.709, 98% DCI-P3 and 98% Display P3, with Delta E < 2 average colour accuracy, making it suitable for colour-conscious creative and professional workflows.

At the centre of the U3425WE is its integrated Thunderbolt 4 hub. The Thunderbolt 4 upstream connection supports video, data and up to 90W Power Delivery, allowing a compatible laptop to connect through a single cable. The Thunderbolt 4 downstream port provides 15W Power Delivery and daisy-chain support, helping build a cleaner multi-monitor workstation.

The monitor also includes 2.5GbE Ethernet, KVM functionality, USB connectivity, HDMI 2.1, DisplayPort 1.4, Picture-by-Picture, Picture-in-Picture and built-in 2 × 5W speakers. Combined with 5-Star Eye Comfort Certification and an ergonomic stand, the U3425WE is designed as a complete professional workstation display.

34-Inch UWQHD Ultrawide Display

The Dell U3425WE features a large 34-inch viewable display with a 3440 × 1440 UWQHD resolution.

The 21:9 ultrawide aspect ratio provides significantly more horizontal workspace than a conventional 16:9 monitor. This makes it easier to work with multiple applications side by side without requiring two separate displays.

The expansive workspace is particularly useful for:

• Financial dashboards
• Programming
• Software development
• Video editing
• Graphic design
• Data analysis
• Project management
• Spreadsheets
• Content creation
• Multitasking

The UWQHD resolution provides detailed visuals across the large screen while maintaining a practical desktop workspace.

1900R Curved IPS Black Display

The U3425WE features a 1900R curved display, designed to create a more natural viewing experience across the wide 34.1-inch panel.

The curvature helps maintain a more consistent viewing distance from the centre toward the edges of the screen.

Combined with the ultrawide 21:9 format, the curved design is particularly useful for:

• Multitasking
• Large spreadsheets
• Video timelines
• Coding
• Data dashboards
• Immersive multimedia
• Professional creative applications

IPS Black Technology with 2000:1 Contrast

The monitor uses IPS Black technology with a 2000:1 native contrast ratio.

The higher contrast helps produce deeper blacks and clearer separation between bright and dark areas while retaining the wide viewing characteristics associated with IPS technology.

This can be particularly useful when working with:

• Dark interfaces
• Code editors
• Photography
• Video content
• Design applications
• Detailed dashboards
• Creative workflows

The result is a more defined image across both professional applications and multimedia content.

Smooth 120Hz Refresh Rate

The 120Hz refresh rate provides smoother motion compared with conventional 60Hz professional monitors.

Scrolling through long webpages, navigating large spreadsheets, moving application windows and working with detailed timelines can feel more fluid.

The U3425WE supports:

• 5ms GTG – Fast
• 8ms GTG – Normal

This combination makes the monitor suitable for productivity, multimedia, content creation and everyday professional use.

Extensive Professional Colour Coverage

The Dell U3425WE provides broad coverage across several important colour spaces.

Colour Coverage

• 100% Adobe RGB
• 100% sRGB
• 100% BT.709
• 98% DCI-P3
• 98% Display P3
• 1.07 Billion Colours

This extensive colour coverage makes the monitor suitable for professionals working across photography, video, digital content, web design and creative applications.

The monitor also provides Delta E < 2 average colour accuracy, supporting more consistent colour reproduction for colour-conscious workflows.

110 PPI for Sharp Details

With approximately 110 PPI, the U3425WE provides detailed text, graphics and interface elements across its large ultrawide display.

The combination of UWQHD resolution and 110 PPI provides a useful balance between screen workspace and image sharpness.

This is particularly useful when working with:

• Fine text
• Spreadsheets
• Code
• Design interfaces
• Photographs
• Video timelines
• Detailed charts

300 cd/m² Brightness

The U3425WE provides 300 cd/m² brightness, delivering clear visibility across typical office and professional environments.

Combined with the 2000:1 contrast ratio and IPS Black panel, the brightness level provides balanced image reproduction for documents, creative applications, dashboards and multimedia.

Thunderbolt 4 Hub with Up to 90W Power Delivery

The integrated Thunderbolt 4 hub is one of the key productivity features of the Dell U3425WE.

The Thunderbolt 4 upstream port supports:

• Display signal
• Data transfer
• DisplayPort 1.4 Alternate Mode
• Up to 90W Power Delivery

A compatible laptop can connect to the monitor using a single Thunderbolt 4 cable while receiving power and accessing connected peripherals.

This helps reduce cable clutter and can eliminate the need for a separate docking station in many compatible workstation configurations.

Thunderbolt 4 Daisy Chaining

The monitor includes a Thunderbolt 4 downstream port with 15W Power Delivery for compatible daisy-chain configurations.

This allows supported displays and devices to be connected through a more streamlined workstation setup.

Daisy chaining is particularly useful for:

• Multi-monitor workstations
• Corporate offices
• Developers
• Financial professionals
• Creative studios
• IT workstations

2.5GbE Ethernet for High-Speed Networking

The U3425WE features a 2.5GbE RJ45 Ethernet port, providing high-speed wired network connectivity through the monitor.

A compatible laptop connected through Thunderbolt 4 can access the network through the monitor, reducing the need for a separate Ethernet adapter.

This can be useful for:

• Large file transfers
• Network storage
• Video production
• Corporate networks
• Software development
• Professional data environments

Built-In KVM Switch for Multi-Computer Workflows

The integrated KVM switch allows compatible computers to share a keyboard and mouse setup.

This is useful for professionals working with multiple systems, such as:

• Work laptop + desktop
• Personal PC + business computer
• Two compatible workstation systems

KVM helps reduce peripheral duplication and creates a cleaner multi-device desk setup.

Comprehensive USB Connectivity

The U3425WE functions as a high-speed USB hub with multiple connections.

Available USB connectivity includes:

• 4 × USB 3.2 Gen 2 Type-A downstream
• 1 × USB Type-A downstream with BC1.2 charging
• 2 × USB Type-C downstream with 15W Power Delivery
• 1 × USB Type-C upstream, USB 3.2 Gen 2
• 1 × Thunderbolt 4 downstream

These ports allow users to connect compatible keyboards, mice, storage devices, smartphones and other peripherals directly to the monitor.

HDMI 2.1 Connectivity

The U3425WE includes 1 × HDMI 2.1 port.

The HDMI connection supports up to 3440 × 1440 at 100Hz TMDS under the specified configuration, providing convenient connectivity for compatible computers and multimedia devices.

DisplayPort 1.4 for 120Hz UWQHD

The monitor includes DisplayPort 1.4, supporting up to 3440 × 1440 at 120Hz according to the supplied specifications.

DisplayPort provides a high-bandwidth digital connection for compatible PCs and professional workstations.

Picture-by-Picture & Picture-in-Picture

The U3425WE supports both Picture-by-Picture (PbP) and Picture-in-Picture (PiP) functionality.

These features allow content from multiple sources to be displayed simultaneously.

For example, users can view:

• Work PC + personal laptop
• Two business systems
• Research source + working application
• Desktop + notebook

The 21:9 ultrawide display provides substantial horizontal space for simultaneous source viewing.

Internal Multi-Stream Transport (iMST)

The U3425WE includes Internal Multi-Stream Transport (iMST) functionality.

iMST can partition the ultrawide display into two logical 1720 × 1440 sections, allowing the screen to function as if it were two separate physical displays.

This can be useful for:

• Dual-application workflows
• Productivity multitasking
• Research + documentation
• Two-source workflows
• Multi-window professional setups

The supplied specification indicates that iMST does not require external software or a DisplayPort splitter.

Built-In 2 × 5W Speakers

Unlike many professional monitors, the Dell U3425WE includes two integrated 5W speakers.

The built-in stereo speakers provide convenient audio for:

• Video conferences
• Online meetings
• Presentations
• Streaming
• YouTube
• Everyday multimedia
• General entertainment

This can help reduce the need for separate desktop speakers in professional workspaces.

5-Star Dell Eye Comfort Certification

The U3425WE carries a 5-Star Eye Comfort Certification, supporting extended professional use.

Eye-comfort features include:

• Dell Eye Comfort Technology
• Ambient Light Sensor
• Anti-Glare Surface
• Flicker-Free viewing support
• Auto brightness and colour-temperature adjustment
• 3H surface hardness

These features are designed to provide a more comfortable viewing environment during long work sessions.

Ambient Light Sensor

The built-in Ambient Light Sensor detects surrounding lighting conditions and intelligently adjusts supported brightness and colour-temperature settings.

This helps the monitor adapt to changing office lighting throughout the day.

The feature can be particularly useful in workspaces where natural daylight and artificial lighting vary significantly.

Fully Adjustable Ergonomic Stand

The U3425WE features an adjustable stand designed for professional workstations.

Stand Adjustments

• Height: Up to 15cm
• Tilt: -5° to 21°
• Swivel: -30° to 30°

The height, tilt and swivel adjustments allow users to position the large curved display according to their desk height and seating position.

100 × 100mm VESA Mount Compatibility

The U3425WE supports the 100 × 100mm VESA mounting standard.

This allows the monitor to be installed on:

• Monitor arms
• Wall mounts
• Desk brackets
• Multi-monitor mounting systems

VESA support provides additional flexibility for custom professional workstations.

Dell Display and Peripheral Manager

The monitor supports Dell Display and Peripheral Manager, providing software-based control over compatible display and workstation functions.

The software includes productivity features such as Easy Arrange, helping users organise application windows across the ultrawide display.

Easy Arrange for Ultrawide Multitasking

Dell’s Easy Arrange functionality is particularly useful on a 34.1-inch 21:9 monitor.

Users can organise windows into predefined layouts for workflows such as:

• Browser + spreadsheet
• Code editor + documentation
• Email + presentation
• Video timeline + media browser
• Dashboard + report
• Research + notes

The ultrawide workspace reduces the need to constantly switch between applications.

Professional Silver Design

The U3425WE features a Silver finish with a professional UltraSharp design language.

Its clean appearance is suitable for:

• Corporate offices
• Executive workstations
• Creative studios
• Home offices
• IT departments
• Professional workspaces

The curved ultrawide format also creates a distinctive modern workstation appearance.

Environmental & Sustainability Features

Dell incorporates several environmental considerations into the U3425WE.

The monitor is:

• BFR-Free
• Mercury-Free
• PVC-Free
• RoHS Compliant

It also carries:

• ENERGY STAR
• TCO Certified
• TCO Certified Edge

These certifications support organisations with sustainability-focused procurement requirements.

Power Efficiency

The U3425WE is designed for efficient professional operation.

Power Specifications

• Operating Power Consumption: 31.50W
• Standby Power: 0.50W
• Off-Mode Power: 0.30W
• Maximum Power Consumption: 250W
• Annual Energy Consumption: 99 kWh
• Input Voltage: 100V AC to 240V AC
• Frequency: 50/60Hz

Physical Dimensions & Weight

Without Stand

• Height: 35.92cm
• Width: 81.35cm
• Depth: 10.51cm

With Stand

• Height: 54.28cm
• Width: 81.35cm
• Depth: 24.04cm

The stand provides a compressed height of 39.28cm and an extended height of 54.28cm.

The monitor weighs approximately 7.78kg without the stand and 10.81kg with the stand.

Ideal For

• Business Professionals
• Corporate Workstations
• Software Developers
• Programmers
• Data Analysts
• Financial Professionals
• Graphic Designers
• Content Creators
• Video Editors
• Photographers
• Multitasking Professionals
• Hybrid Work Environments
• Home Office Users
• Multi-Device Workstations
• Ultrawide Productivity Setups

Key Highlights at a Glance

• Dell UltraSharp U3425WE
• 34-Inch UWQHD Curved Monitor
• 3440 × 1440 Resolution
• 21:9 Ultrawide Aspect Ratio
• 1900R Curvature
• IPS Black Technology
• 120Hz Refresh Rate
• 5ms GTG Fast Response
• 8ms Normal Mode
• 2000:1 Contrast Ratio
• 300 cd/m² Brightness
• 1.07 Billion Colours
• 100% Adobe RGB
• 100% sRGB
• 100% BT.709
• 98% DCI-P3
• 98% Display P3
• Delta E < 2 Average
• 110 PPI
• Thunderbolt 4 Hub
• Up to 90W Power Delivery
• Thunderbolt 4 Daisy Chain
• 2.5GbE Ethernet
• KVM Switch
• USB 3.2 Gen 2 Hub
• HDMI 2.1
• DisplayPort 1.4
• Picture-by-Picture
• Picture-in-Picture
• Internal Multi-Stream Transport
• Built-In 2 × 5W Speakers
• Dell Display and Peripheral Manager
• Easy Arrange
• 5-Star Eye Comfort Certification
• Ambient Light Sensor
• Anti-Glare 3H Surface
• 15cm Height Adjustment
• Tilt & Swivel Adjustment
• 100 × 100mm VESA Mount
• ENERGY STAR
• TCO Certified
• TCO Certified Edge
• 3-Year Advanced Exchange Service
• Premium Panel Exchange

Why Choose the Dell UltraSharp U3425WE?

The Dell UltraSharp U3425WE combines a large 34-inch 21:9 curved IPS Black display with professional colour performance and advanced workstation connectivity.

Its 3440 × 1440 UWQHD resolution, 120Hz refresh rate, 2000:1 contrast ratio, 100% Adobe RGB coverage and Delta E < 2 average colour accuracy provide a strong foundation for productivity, creative work and professional multimedia applications.

The integrated Thunderbolt 4 hub with up to 90W Power Delivery simplifies laptop connectivity, while 2.5GbE Ethernet, KVM, USB 3.2 Gen 2, DisplayPort and Thunderbolt daisy chaining help create a powerful multi-device workstation.

The 21:9 ultrawide format, 1900R curvature and Internal Multi-Stream Transport (iMST) provide additional flexibility for multitasking and multi-window workflows. Built-in 2 × 5W speakers also provide convenient audio without requiring separate desktop speakers.

For long working sessions, the 5-Star Eye Comfort Certification, Ambient Light Sensor, anti-glare display and ergonomic height, tilt and swivel adjustments help create a more comfortable professional workspace.