Product specifications and review coverage for this exact model.
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Product overview
DELL DELL-U3425WEHF is listed in the computer monitors category. The recorded specifications include display diagonal: 86.7 cm (34.1"); display resolution: 3440 x 1440 pixels; panel type: IPS; maximum refresh rate: 120 Hz. This entry covers manufacturer code DELL-U3425WEHF. Specifications relate to this exact source record; other editions or packages may differ.
Automatically assembled from the source specifications. This is a factual summary, not a hands-on review.
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Specifications
Manufacturer code: DELL-U3425WEHF. Icecat product 132885644 · Checked 18 Sep 2026. The source lists this code for Great Britain. No specifications are transferred from other editions.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
DELL U3425WE — key specifications
Screen size
86.7 cm (34.1")
Screen resolution
3440 x 1440 pixels
Panel type
IPS
Maximum refresh rate
120 Hz
Response time
8 ms
Display brightness (typical)
300 cd/m²
High Dynamic Range (HDR) supported
No
HDMI ports
1
DisplayPort connections
1
More product specifications
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Audio & listening6 details
DELL U3425WE — Audio & listening
Number of speakers
2
Rated audio power (RMS)
10 W
Built-in speakers
Yes
Audio output
Yes
Headphone out
No
Stylus included
No
Display12 details
DELL U3425WE — Display
Display technology
LCD
Touchscreen
No
Anti-glare screen
Yes
Screen shape
Curved
Screen curvature rating
1900R
Contrast ratio (typical)
2000:1
Viewing angle, horizontal
178°
Viewing angle, vertical
178°
Display number of colours
1.07 billion colours
Colour gamut standard
DCI-P3
Colour gamut
98%
On Screen Display (OSD)
Yes
Processor, memory & storage3 details
DELL U3425WE — Processor, memory & storage
Supported graphics resolutions
640 x 480 (VGA), 720 x 480, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1280 x 800 (WXGA), 1600 x 1200, 1920 x 1080 (HD 1080), 2560 x 1440, 3440 x 1440
Storage temperature (T-T)
-20 - 60 °C
Storage relative humidity (H-H)
5 - 90%
Camera, image & video2 details
DELL U3425WE — Camera, image & video
Supported video modes
480p, 576p, 720p, 1080i, 1080p
Built-in camera
No
Printing, scanning & paper3 details
DELL U3425WE — Printing, scanning & paper
Horizontal scan range
25 - 185 kHz
Vertical scan range
48 - 120 Hz
Total carbon footprint (kg of CO2e)
361
Connections & wireless15 details
DELL U3425WE — Connections & wireless
Built-in USB hub
Yes
USB hub version
3.2 Gen 2 (3.1 Gen 2)
USB upstream port type
USB Type-C
Number of USB Type-C upstream ports quantity
2
USB Type-A downstream ports quantity
5
USB Type-C downstream ports quantity
3
USB Type-C DisplayPort Alternate Mode
Yes
HDMI
Yes
HDMI version
2.1
DisplayPort version
1.4
Thunderbolt 4 ports quantity
2
Wi-Fi
No
Ethernet LAN
Yes
Panel mounting interface
100 x 100 mm
Ethernet LAN (RJ-45) ports
1
Power & battery15 details
DELL U3425WE — Power & battery
USB Power Delivery (USB PD)
Yes
USB Power Delivery up to
90 W
Energy efficiency class (SDR)
F
Energy efficiency class (HDR)
Not available
Energy consumption (SDR) per 1000 hours
32 kWh
Power consumption (typical)
31.5 W
Power consumption (standby)
0.5 W
Power consumption (max)
250 W
Power consumption (off)
0.3 W
AC input voltage
100 - 240 V
AC input frequency
50/60 Hz
Input current
3.2 A
Power supply type
Internal
Energy efficiency scale
A to G
Carbon emissions, energy usage (kg of CO2e)
154.147
Controls & features1 detail
DELL U3425WE — Controls & features
Operating temperature (T-T)
0 - 40 °C
Design & dimensions18 details
DELL U3425WE — Design & dimensions
Product colour
Black, Silver
Front bezel colour
Black
Feet colour
Silver
VESA mounting
Yes
Wall mountable
Yes
Height adjustment
Yes
Adjustable height (max)
15 cm
Width (with stand)
813.5 mm
Depth (with stand)
240.4 mm
Height (with stand)
542.8 mm
Weight (with stand)
7.78 kg
Width (without stand)
813.5 mm
Depth (without stand)
105.1 mm
Height (without stand)
359.1 mm
Weight (without stand)
10.4 kg
Bezel width (side)
9.78 mm
Bezel width (top)
1.04 cm
Bezel width (bottom)
1.39 cm
Software & compatibility2 details
DELL U3425WE — Software & compatibility
Sustainability compliance
Yes
Compliance certificates
RoHS
Further product details43 details
DELL U3425WE — Further product details
HD type
Wide Quad HD
Native aspect ratio
21:9
LED backlight
Yes
Backlight type
Edge LED
Response time (fast)
5 ms
Pixel pitch
0.2325 x 0.2325 mm
Pixel density
110 ppi
Viewable size, horizontal
80 cm
Viewable size, vertical
33.5 cm
Viewable size diagonal
86.7 cm
Surface hardness
3H
sRGB coverage (typical)
100%
NVIDIA G-SYNC
No
AMD FreeSync
No
Flicker-free technology
Yes
Low Blue Light technology
Yes
Market positioning
Business
Detachable stand
Yes
HDCP
Yes
HDCP version
1.4/2.2
Cable management
Yes
Cable lock slot
Yes
Cable lock slot type
Kensington
Pivot
No
Swivelling
Yes
Swivel angle range
-30 - 30°
Tilt adjustment
Yes
Tilt angle range
-5 - 21°
Plug and Play
Yes
LED indicators
Yes
Operating relative humidity (H-H)
10 - 80%
Operating altitude
0 - 5000 m
Non-operating altitude
5000 - 12192 m
Stand included
Yes
Power adapter included
Yes
Quick start guide
Yes
Sustainability certificates
ENERGY STAR
Doesn't contain
Halogen, PVC/BFR
Carbon emissions, manufacturing (kg of CO2e)
149.093
Carbon emissions, logistics (kg of CO2e)
28.158
Carbon emissions, end-of-life (kg of CO2e)
29.602
PAIA version
GaBi version 1, 2024
Heavy metals free
Hg (mercury)
Packaging & supplied accessories3 details
DELL U3425WE — Packaging & supplied accessories
Package weight
15.1 kg
Cables included
AC, DisplayPort, HDMI, USB Type-C to USB Type-C
Remote control included
No
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
