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Dell Dell S3425DW – Specs & Features Monitor
RATED
Great
7.8/10

34″ Dell S3425DW – Specs & Features

Built around a VA panel, the Dell S3425DW runs at 3440 x 1440 pixels with a 48 Hz - 120 Hz refresh range.

34″ · 2.389:1 · MODEL YEAR 2025
Dell●Monitor
Dell Monitor
Add as preferred source
Display
34 in, VA, 3440 x 1440 pixels
34
Refresh Rate
48 Hz - 120 Hz
48 Hz
Brightness
300 cd/m²
300 cd
Contrast Ratio
3000 : 1
3000

Pros & Cons

Pros
  • 48 Hz 120 Hz refresh range with 1 ms GtG response supports fast-paced use
  • FreeSync give broad adaptive-sync compatibility
  • Built-in USB hub adds convenient peripheral connectivity
  • Stand offers 130 mm (5.12 in) height adjustment
  • 99% sRGB coverage is published for the panel
Cons
  • No listed built-in speakers

Score & Ratings

7.8/10 Great
Design
8
Display
8
Color Performance
7
Performance
7
Connectivity
8
Model Information 5
Specification Value
Brand Dell
Model S3425DW
Full Product Name Dell S3425DW
Model Year 2025
Available Colors Black
Display & Panel 11
Specification Value
Screen Size 34 in
Exact Diagonal 864.25 mm (34.03 in)
Radius of Curvature 1800R
Aspect Ratio 2.389:1
Active Display Width 797.22 mm (31.39 in)
Active Display Height 333.72 mm (13.14 in)
Screen-to-Body Ratio 92.63%
Panel Type VA
Backlight Type W-LED
3D Support No
Screen Coating Anti-glare / Matte (3H)

34" Display Size (86.4 cm) 21:9

86.4cm 34" 79.7 cm / 31.4" 80.7 cm / 31.8" (overall unit) 33.4 cm 13.1" 35.6 cm 14" (overall)
Resolution & Pixel Details 3
Specification Value
Native Resolution 3440 x 1440 pixels
Pixel Density 109 PPI
Pixel Pitch 0.232 mm (millimeters)

Resolution at a Glance

3440×1440 This screen 8K — 7,680×4,320 4K — 3,840×2,160 FHD — 1,920×1,080 HD — 1,280×720 5 MP — 2.4× the pixels of Full HD
Picture Quality & Color 11
Specification Value
Panel Bit Depth 10 bits
FRC Yes
Display Colors 1073.7 million colors (30 bits)
Typical Brightness 300 cd/m²
Static Contrast Ratio 3000 : 1
Horizontal Viewing Angle 178 °
Vertical Viewing Angle 178 °
HDR Support
HDR10
HDR10 Yes
sRGB Coverage 99%
DCI-P3 Coverage 95%
DESK DISTANCE FIT 65cm
~65 cm desk distance
Wide
63°
CompactIdeal FitWideUltra-Wide

Fills more of your view — great for productivity, may need slight head turns toward the edges.

Refresh Rate, Response & Gaming 3
Specification Value
Refresh Rate Range 48 Hz - 120 Hz
Minimum Response Time 1 ms
AMD FreeSync Yes (Premium)
Ports & Connectivity 8
Specification Value
HDMI Ports
2
HDMI Version 2.1
USB-C Video Input 1× USB-C
DisplayPort Alt Mode Yes
HDCP Support Yes
HDCP Version 2.2
USB-A Ports
2
USB-B Upstream 1

Ports & Connections

HDMI2USB-A2USB-CSpeaker Out10
Audio, Camera, Network & Smart Features 1
Specification Value
Built-In Camera No
Ergonomics & Stand 10
Specification Value
VESA Mount 100 x 100 mm
VESA Size 100 x 100 mm
Removable Stand Yes
Height Adjustment 130 mm
Height Adjustment Range 130 mm (5.12 in)
Tilt Adjustment Yes
Forward Tilt 5 °
Backward Tilt 21 °
Swivel Adjustment No
Pivot Adjustment No
Dimensions, Weight & Design 7
Specification Value
Dimensions With Stand 807.32 × 411.53 × 221.85 mm
Dimensions Without Stand 807.32 × 355.77 × 116.89 mm
Weight With Stand 9.38 kg (20.68 lbs)
Weight Without Stand 6.91 kg (15.23 lbs)
Stand Width 259 mm (10.20 in)
Stand Depth 221.85 mm (8.73 in)
Security Lock Slot Yes
Power & Operating Conditions 15
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
Electric Current 2 A
Average Power Consumption 31 W
Maximum Power Consumption 175 W
Sleep Consumption 0.4 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 Dell Easy Arrange; KVM Switch; Picture-by-Picture; Picture-in-Picture
Certifications, Standards & Licenses 2
Specification Value
Energy Star Yes
RoHS Yes
⚡

Estimated Running Cost

Based on this product's rated power draw, not an independent lab measurement — actual usage varies with settings and content.

Daily—
Monthly—
Annually—

Uses about 0% less power than the average we track in this category.

Reviews

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DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT SHEET № S3425DW