Dell UltraSharp U3425WE 34" 120Hz 5ms UWQHD Curved Thunderbolt™ Hub Monitor

Engineered for Comfort and Colour Accuracy

World's first (34") monitor certified for 5-Star Eye Comfort
Feel immersed in detail-oriented work with a curved, ultrawide WQHD screen featuring 120Hz refresh rate.

Smoother visual experience
A 120Hz refresh rate delivers less flicker, more seamless scrolling and smoother motion than 60Hz monitors.

Ambient Light Sensor
A built-in Ambient Light Sensor intelligently optimizes brightness and color temperature based on your surroundings.

Improved ComfortView Plus
Our latest monitors reduce harmful blue light emissions to ≤35%, compared to ≤50% from the previous generation, for all-day eye comfort without sacrificing color accuracy.

See more detail than ever before

WQHD
Improve your field of view and get near-uniform visual focus with this ultrawide, curved screen.

98%
DCI-P3 and Display P3 color coverage.

IPS Black
Experience deeper blacks with a 2000:1 contrast ratio.

Internal Multi-Stream Transport (iMST)
Partition your display as if there were two 1720x1440 physical monitors instead of one. No external software or DisplayPort splitter needed.

Connect with ease

Thunderbolt™ 4
Power your devices with a single cable connection with up to 90W power delivery.

Extensive connectivity
Connect all your devices with over a dozen ports, including quick access ports.

Stay online
Connect to the Ethernet with a built-in RJ45 port with up to 2.5GbE.

Works seamlessly with devices on macOS®*
Tested with devices on macOS, this Thunderbolt monitor with P3 color is your ideal companion for Mac® devices.

*Based on internal testing of Dell monitors connected to devices on macOS via Thunderbolt, June 2024. Some features may not be supported.

Dell Color Management

Customizable colors
Easily calibrate your monitor’s colors on the new Dell Color Management software, with Calman Verified certification.

Tailored to you
Create, store, and manage ICC profiles on your computer dynamically through the software dashboard.

Wide compatibility
Dell Color Management software is compatible with multiple operating systems including Windows and macOS®.

Environmentally-forward thinking

Sustainable materials
This monitor is made with 50% recycled steel, 85% post-consumer recycled plastics including closed-loop plastics, 100% recycled aluminum and at least 20% recycled glass.

Energy conservation
Using PowerNap mode in Dell Display Manager lowers energy use by up to 14.8%.

Packaging innovation
Ships in a box made with 100% renewable content that is also recyclable.

Elevated standards
Meets highest environmental standards and registered EPEAT Gold with Climate+ designation - this monitor has met Dell's best practices for decarbonization.

Connectivity Options

Bottom and rear view

1-Security lock slot (based on Kensington Security Slot™)
2- Power connector
3-HDMI (HDCP1.4 & 2.2) (supports up to WQHD 3440 x 1440 100 Hz TMDS as per specified in HDMI 2.1)
4-DisplayPort 1.4 (HDCP 1.4 & 2.2)
5-Stand lock
6-Thunderbolt™ 4 downstream port (15W) for daisy chaining
7-Thunderbolt™ 4 upstream port (Video + Data). Alternate mode with DisplayPort 1.4, Power Delivery up to 90W
8-USB Type-C upstream port (data only) (SuperSpeed USB 10 Gbps, USB 3.2 Gen 2)
9-3x USB Type-A downstream port (SuperSpeed USB 10 Gbps, USB 3.2 Gen 2)
10-Audio line out
11-USB Type-A downstream port (SuperSpeed USB 10 Gbps, USB 3.2 Gen 2)
12-RJ45 Ethernet port, 2.5GbE
13-USB Type-A downstream port (SuperSpeed USB 10Gbps, USB 3.2 Gen 2) with BC1.2 power charging
14-2x USB Type-C downstream port (SuperSpeed USB 10 Gbps, USB 3.2 Gen 2) with power charging (15W)
15-Speakers

Included Cables
Power cable
DisplayPort 1.4 cable - 1.8 m
USB Type-A to USB Type-C Gen 2 cable - 1 m
Thunderbolt™ 4 passive cable - 1 m
HDMI cable - 1.8 m