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DELL UltraSharp U3425WE computer monitor 86.7 cm (34.1") 3440 x 1440 pixels Wide Quad HD LCD Black, Silver DELL UltraSharp U3425WE computer monitor 86.7 cm (34.1") 3440 x 1440 pixels Wide Quad HD LCD Black, Silver DELL UltraSharp U3425WE computer monitor 86.7 cm (34.1") 3440 x 1440 pixels Wide Quad HD LCD Black, Silver DELL UltraSharp U3425WE computer monitor 86.7 cm (34.1") 3440 x 1440 pixels Wide Quad HD LCD Black, Silver DELL UltraSharp U3425WE computer monitor 86.7 cm (34.1") 3440 x 1440 pixels Wide Quad HD LCD Black, Silver DELL UltraSharp U3425WE computer monitor 86.7 cm (34.1") 3440 x 1440 pixels Wide Quad HD LCD Black, Silver DELL UltraSharp U3425WE computer monitor 86.7 cm (34.1") 3440 x 1440 pixels Wide Quad HD LCD Black, Silver DELL UltraSharp U3425WE computer monitor 86.7 cm (34.1") 3440 x 1440 pixels Wide Quad HD LCD Black, Silver DELL UltraSharp U3425WE computer monitor 86.7 cm (34.1") 3440 x 1440 pixels Wide Quad HD LCD Black, Silver DELL UltraSharp U3425WE computer monitor 86.7 cm (34.1") 3440 x 1440 pixels Wide Quad HD LCD Black, Silver DELL UltraSharp U3425WE computer monitor 86.7 cm (34.1") 3440 x 1440 pixels Wide Quad HD LCD Black, Silver
DELL UltraSharp U3425WE computer monitor 86.7 cm (34.1") 3440 x 1440 pixels Wide Quad HD LCD Black, Silver

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DELL

DELL UltraSharp U3425WE computer monitor 86.7 cm (34.1") 3440 x 1440 pixels Wide Quad HD LCD Black, Silver

34.14-inch screen at 120 Hz, built for large-format display

Manufacturer reference DELL-U3425WE

62 /100 Its best score: the largest screen, rated "very large" on its category’s scale.
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1 merchant

offers it on this market

What the DELL UltraSharp U3425WE computer monitor 86.7 cm (34.1") 3440 x 1440 pixels Wide Quad HD LCD Black, Silver is worth

The DELL U3425WE is a 34.14-inch PC monitor with a 120 Hz refresh rate and a brightness of 300 cd/m². It offers a 1900:1 contrast ratio, a resolution delivering 110 pixels per inch, and viewing angles of 178 degrees both horizontally and vertically.

Within the monitor market, its size stands out clearly: 34.14 inches versus a market median of 27 inches. Its 120 Hz refresh rate also exceeds the market median of 100 Hz, earning it a fluidity score of 73/100. However, its 8 ms response time is higher than the median of 4 ms, limiting its responsiveness score to 45/100. On color, its measurement of 1.07 sits far below the median of 16.7, for a score of 20/100. Its brightness of 300 cd/m² matches the market median exactly. Overall score: 60/100.

The product includes several ports, including a USB-C connection, and an annual power consumption measured at 32 kWh. Its dimensions with stand are 813.46 mm wide, 542.83 mm high and 240.43 mm deep, for a total weight of 15050 g.

This type of screen suits usage requiring a large display surface and decent fluidity, rather than tasks demanding sharp responsiveness or highly refined color rendering.

What the spec sheet says

  • 86.7 cm (34.1") Black, Silver
  • Height adjustment 15 cm Built-in speaker(s)
  • USB upstream port type: USB Type-C HDMI HDMI version: 2.1 DisplayPorts quantity: 1 DisplayPort version: 1.4
  • Screen shape: Curved
  • Maximum refresh rate: 120 Hz Response time: 8 ms
  • 3440 x 1440 pixels Wide Quad HD Panel type: IPS
  • Energy efficiency class (SDR): F ENERGY STAR, TCO RoHS

Its scores, criterion by criterion

Scores out of 100, calculated from the datasheet and compared with the market. The full method is public.

Screen size Very large

34.1 " · category median: 27 "

Smoothness Smooth

120 Hz · category median: 120 Hz

Brightness Good

300 cd/m² · category median: 300 cd/m²

Responsiveness Responsive

8 ms · category median: 5 ms

Colours Basic

1.1 · category median: 16.7

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Documents

What the manufacturer publishes about this model. Each document opens in a new tab.

EU Energy Label PDF 67.7 KB Document PDF 56.3 KB Document PDF 6.4 MB Manual PDF 630.2 KB Manual PDF 1.4 MB Manual PDF 366.4 KB Manual PDF 1.3 MB Document PDF 102.8 KB Manual PDF 1.2 MB Manual PDF 9.6 MB Manual PDF 10.2 MB Manual PDF 10.4 MB Document PDF 111.7 KB Manual PDF 3.5 MB

Specifications

Display 34
Display diagonal 86.7 cm (34.1")
Display resolution 3440 x 1440 pixels
HD type Wide Quad HD
Native aspect ratio 21:9
Display technology LCD
Panel type IPS
Touchscreen No
Response time 8 ms
Screen shape Curved
Contrast ratio (typical) 2000:1
Maximum refresh rate 120 Hz
Display number of colours 1.07 billion colours
LED backlight Yes
Backlight type Edge LED
Display brightness (typical) 300 cd/m²
Anti-glare screen Yes
Screen curvature rating 1900R
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
Supported video modes 480p, 576p, 720p, 1080i, 1080p
Viewing angle, horizontal 178°
Viewing angle, vertical 178°
Response time (fast) 5 ms
Pixel pitch 0.2325 x 0.2325 mm
Pixel density 110 ppi
Horizontal scan range 25 - 185 kHz
Vertical scan range 48 - 120 Hz
Viewable size, horizontal 80 cm
Viewable size, vertical 33.5 cm
Viewable size diagonal 86.7 cm
High Dynamic Range (HDR) supported No
Surface hardness 3H
Colour gamut standard DCI-P3
Colour gamut 98%
sRGB coverage (typical) 100%
Performance 4
NVIDIA G-SYNC No
AMD FreeSync No
Flicker-free technology Yes
Low Blue Light technology Yes
Multimedia 4
Built-in speaker(s) Yes
Built-in camera No
Number of speakers 2
RMS rated power 10 W
Design 5
Market positioning Business
Product colour Black, Silver
Front bezel colour Black
Detachable stand Yes
Feet colour Silver
Ports & interfaces 19
Built-in USB hub Yes
HDMI Yes
Headphone out 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
USB Power Delivery (USB PD) Yes
USB Power Delivery up to 90 W
HDMI ports quantity 1
HDMI version 2.1
DisplayPorts quantity 1
DisplayPort version 1.4
Thunderbolt 4 ports quantity 2
Headphone outputs 1
HDCP Yes
HDCP version 1.4/2.2
Network 1
Wi-Fi No
Ergonomics 16
VESA mounting Yes
Cable lock slot Yes
Height adjustment Yes
Panel mounting interface 100 x 100 mm
Wall mountable Yes
Cable management Yes
Cable lock slot type Kensington
Adjustable height (max) 15 cm
Pivot No
Swivelling Yes
Swivel angle range -30 - 30°
Tilt adjustment Yes
Tilt angle range -5 - 21°
On Screen Display (OSD) Yes
Plug and Play Yes
LED indicators Yes
Power 12
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
Weight & dimensions 11
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
Packaging data 1
Package weight 15.1 kg
Packaging content 6
Stand included Yes
Cables included AC, DisplayPort, HDMI, Thunderbolt, USB Type-A to USB Type-C
Power adapter included Yes
Remote control included No
Stylus included No
Quick start guide Yes
Sustainability 3
Sustainability compliance Yes
Sustainability certificates ENERGY STAR, TCO
Doesn't contain PVC/BFR
Carbon footprint 6
Total carbon footprint (kg of CO2e) 361
Carbon emissions, manufacturing (kg of CO2e) 149.09
Carbon emissions, logistics (kg of CO2e) 28.16
Carbon emissions, energy usage (kg of CO2e) 154.15
Carbon emissions, end-of-life (kg of CO2e) 29.6
PAIA version GaBi version 1, 2024
Other features 3
Heavy metals free Hg (mercury)
Compliance certificates RoHS
Ethernet LAN (RJ-45) ports 1

Who this model suits

It’s for you if

Your first criterion is the screen size: it happens to be its best score.
You want a good score on the smoothness, above its category average.
You prefer a model tracked across several merchants, to buy at the right time.

Skip it if

Its lowest score is on the colour count: skip it if that is decisive for you.

Frequently asked questions

Answers drawn from this model’s datasheet.

The 120 Hz refresh rate ensures good fluidity, but the 8 ms response time is slower than the market median (4 ms), giving the screen a responsiveness score of 45/100.

The product has a color gamut rating of 1.07, well below the market median of 16.7, resulting in a score of 20/100 on this criterion.

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