Display
34.14 in, IPS, 3440 x 1440 pixels
34.14
Refresh Rate
48 Hz - 120 Hz
48 Hz
Brightness
300 cd/m²
300 cd
Contrast Ratio
2000 : 1
2000
Overview
The Dell U3425WE pairs an IPS panel with a 3440 x 1440 pixels resolution and a 48 Hz - 120 Hz refresh range. Response time is quoted at 5 ms GtG. For picture quality, expect 300 cd/m² typical brightness, 2000 : 1 contrast and 100% sRGB coverage. On connectivity, you get 1x HDMI 2.1, 1x DisplayPort 1.4, 45x USB-A, 1x USB-B upstream. Independent research on this model adds one useful note: Panel type CORRECTION: IPS Black technology, NOT standard IPS — 2000:1 contrast (higher than typical IPS ~1000:1).
BrandDellPanel TypeIPSResolution3440 x 1440 pixelsRefresh Rate48 Hz - 120 Hz
Key Highlights
- Dell U3425WE speed | 48 Hz - 120 Hz refresh with 5 ms GtG response
- Dell U3425WE hub | 1 USB-B upstream and 45 USB-A downstream ports
- Dell U3425WE image | 300 cd/m² brightness and 2000 : 1 contrast
Who Should Buy the Dell U3425WE
+ Best For
Two-machine desks
Auto KVM handles the switching for you
Long office days
an ambient light sensor and Eye Comfort 3.0
Multi-window work
3440 x 1440 fits two documents side by side
Design review
98% DCI-P3 with 100% sRGB
× Not Ideal For
Gaming
120 Hz with a 5 ms response
Laptop charging
the USB-C upstream is data only
HDR content
no HDR tier is listed
Portrait use
no pivot, as expected at 21:9
Display Performance
Refresh Rate
48 Hz - 120 Hz
Standard refresh range
Response Time
5 ms GtG
Manufacturer-published transition time
Brightness
300 cd/m²
Typical brightness as specified; peak figure not published
Contrast
2000 : 1
Standard panel black depth
Colour Gamut
100% sRGB
Standard game and web colour
Gaming Performance
Refresh Rate48 Hz - 120 HzMatch frame rate to the monitor’s useful range
Response Time5 ms (GtG)Published claim without independent testing
GPU Requirement3440 x 1440 pixels up to 120 HzEntry-to-mid-range GPU is generally sufficient
HDR & Brightness Reality
No HDR tier is listed here, and at 300 cd/m2 that is the honest position rather than an oversight. The number that does matter on a work panel is 2000:1 contrast - double a standard IPS - because it shows up every day in dark-mode editors, PDFs and photo shadows. Dell also fits an ambient light sensor, which adjusts brightness to your room. Those two things do more for eight hours of work than any entry HDR badge would.
Connectivity & Ports
HDMI1x HDMI 2.1Published port count and version
DisplayPort1x DisplayPort 1.4Primary high-refresh PC connection
USB-CNot publishedNo one-cable laptop or charging function
USB Hub1x USB-B upstream / 45x USB-A downstreamPeripherals can run through the screen
Audio Out3.5 mm audio outExternal audio may still be preferred
Desk Fit & Ergonomics
Size / Footprint813.26 × 392.77 × 237.44 mmCheck desk width and depth before purchase
StandRemovable: YesA separate arm can replace the supplied base
VESA Mount100 x 100 mmUse a matching arm or wall mount
Tilt-5 ° to +21 °Covers the published forward and backward range
Height Adjust150 mm (5.91 in)Supports eye-level positioning
Swivel / Pivot±30 ° / No pivotSupports shared angles and portrait rotation
Real-World Use Cases
Auto KVM moves peripherals between systems
3440 x 1440 without a bezel
10 W of built-in audio, no headset needed
an ambient light sensor with Eye Comfort 3.0
Pros & Cons
Pros
- 48 Hz 120 Hz refresh range with 5 ms GtG response supports fast-paced use
- Built-in USB hub adds convenient peripheral connectivity
- Stand offers 150 mm (5.91 in) height adjustment, swivel
- 100% sRGB coverage is published for the panel
Cons
- USB-C is data only no laptop charging
- 5 ms response rules out gaming
- 300 cd/m2 is modest brightness
- No HDR support listed
Score & Ratings
7.8/10
Great
Model Information
8
| Specification | Value |
|---|---|
| Brand | Dell |
| Series | UltraSharp |
| Model | U3425WE |
| Model Alias | UltraSharp U3425WE |
| Full Product Name | Dell U3425WE |
| Model Year | 2024 |
| Available Colors | Platinum Silver |
| Warranty | 3-Year Advanced Exchange Service (5-yr ProSupport upgrade available) |
Display & Panel
11
| Specification | Value | What It Means |
|---|---|---|
| Screen Size | 34.14 in | |
| Exact Diagonal | 867.16 mm (34.14 in) | |
| Radius of Curvature | 1900R | |
| Aspect Ratio | 2.389:1 | |
| Active Display Width | 800.05 mm (31.50 in) | |
| Active Display Height | 335.05 mm (13.19 in) | |
| Screen-to-Body Ratio | 91.8% | |
| Panel Type | IPS | IPS affects viewing angles, black depth and color consistency — each panel technology trades these off differently. |
| Backlight Type | W-LED | |
| 3D Support | No | |
| Screen Coating | Anti-glare/Matte (3H) |
Resolution & Pixel Details
3
| Specification | Value | What It Means |
|---|---|---|
| Native Resolution | 3440 x 1440 pixels | |
| Pixel Density | 109 ppi | 109 ppi indicates how much scaling may be needed in the operating system for comfortable reading. |
| Pixel Pitch | 0.233 mm (0.01 in) |
Picture Quality & Color
9
| Specification | Value | What It Means |
|---|---|---|
| Panel Bit Depth | 10 bits | |
| FRC | Yes | |
| Display Colors | 1073.7 million colors (30 bits) | |
| Typical Brightness | 300 cd/m² | |
| Static Contrast Ratio | 2000 : 1 | |
| Horizontal Viewing Angle | 178 ° | |
| Vertical Viewing Angle | 178 ° | |
| sRGB Coverage | 100% | 100% indicates how much of that color space the panel can reproduce, which affects color accuracy for photo/video work. |
| DCI-P3 Coverage | 98% |
Refresh Rate, Response & Gaming
3
| Specification | Value |
|---|---|
| Refresh Rate Range | 48 Hz - 120 Hz |
| Minimum Response Time | 5 ms |
| Adaptive-Sync | Yes |
Ports & Connectivity
11
| Specification | Value |
|---|---|
| HDMI Ports | 1 |
| HDMI Version | 2.1 |
| DisplayPort Input | 1 |
| DisplayPort Version | 1.4 |
| USB-C Video Input | 1× USB-C |
| DisplayPort Alt Mode | Yes |
| HDCP Support | Yes |
| HDCP Version | 2.2 |
| USB-A Ports | 45 |
| USB-B Upstream | 1 |
| Audio Output | Yes |
Audio, Camera, Network & Smart Features
4
| Specification | Value |
|---|---|
| Built-In Speakers | Yes |
| Speaker Configuration | 2 x 5 W |
| Total Speaker Output | 10 W |
| Built-In Camera | No |
Ergonomics & Stand
12
| Specification | Value | What It Means |
|---|---|---|
| VESA Mount | Yes | |
| VESA Size | 100 x 100 mm | |
| Removable Stand | Yes | |
| Height Adjustment | Yes | 150 mm (5.91 in) of travel allows the screen to be raised or lowered for a comfortable eye-level position. |
| Height Adjustment Range | 150 mm (5.91 in) | |
| Tilt Adjustment | Yes | |
| Forward Tilt | 5 ° | |
| Backward Tilt | 21 ° | |
| Swivel Adjustment | Yes | |
| Left Swivel | 30 ° | |
| Right Swivel | 30 ° | |
| Pivot Adjustment | No |
Dimensions, Weight & Design
7
| Specification | Value |
|---|---|
| Dimensions With Stand | 813.26 × 392.77 × 237.44 mm |
| Dimensions Without Stand | 813.26 × 359.05 × 57.5 mm |
| Weight With Stand | 11.44 kg (25.22 lbs) |
| Weight Without Stand | 7.72 kg (17.02 lbs) |
| Stand Width | 357.7 mm (14.08 in) |
| Stand Depth | 237.44 mm (9.35 in) |
| Security Lock Slot | Yes |
Power & Operating Conditions
12
| Specification | Value |
|---|---|
| Power Input | 100–240V |
| 110V Input Range | 100 V - 120 V |
| 220V Input Range | 220 V - 240 V |
| AC Frequency | 50 Hz - 60 Hz |
| Sleep Consumption | 0.3 W |
| Off Consumption | 0.3 W |
| Operating Temperature | 0 °C - 40 °C (32 °F - 104 °F) |
| Operating Humidity | 10% - 80% |
| Operating Altitude | 5000 m |
| Storage Temperature | -20 °C - 60 °C (-4 °F - 140 °F) |
| Storage Humidity | 5% - 90% |
| Storage Altitude | 12192 m |
Eye Care, Protection & Additional Features
4
| Specification | Value |
|---|---|
| Flicker-Free | Yes |
| Low Blue Light | Yes |
| ComfortView Plus | Yes |
| Additional Monitor Features | Ambient Light Sensor; Auto KVM; Dell Display Manager; IPS Black; Network KVM; OSD joystick; Picture-by-Picture; Picture-in-Picture |
Certifications, Standards & Licenses
3
| Specification | Value |
|---|---|
| Energy Star | Yes |
| EPEAT | EPEAT Gold |
| RoHS | Yes |
Included Accessories
3
| Specification | Value |
|---|---|
| HDMI Cable | Yes |
| DisplayPort Cable | Yes |
| USB Type-A to Type-B Cable | Yes |
Frequently Asked Questions
01 How is Auto KVM different from a normal KVM? +
It switches by itself. A normal KVM needs you to press a button or use a menu each time; Auto KVM detects which input you are viewing and moves keyboard and mouse to that machine automatically.
02 Is 120 Hz useful on a work monitor? +
Noticeably, yes. Scrolling, window dragging and cursor movement all look smoother than 60 Hz. It will not help gaming here because of the 5 ms response, but for daily use it is a real improvement.
03 Does the USB-C supply power as well as data? +
No. The USB-C upstream is listed as data only at 10 Gbps, so it drives the hub and Auto KVM but not power. Keep your laptop's charger.
04 What does the ambient light sensor actually do? +
It adjusts screen brightness to match your room, so you are not staring at a 300-nit panel in a dim office at night. It is an eye-comfort feature rather than an image-quality one.
05 How does it compare with the U3423WE? +
This one adds 120 Hz and Auto KVM where the older U3423WE runs 76 Hz with a manual KVM. Same 3440 x 1440 shape, same 2000:1 contrast class.
Reviews
DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT
SHEET № U3425WE