Dell Plus S3425DW 34″ 120Hz Monitor

34 inch · 3440 x 1440 · 120 Hz · VA

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Screen size 34 inch
Resolution 3440 x 1440
Refresh rate 120 Hz
Panel VA
Response time 3 ms

Dell Plus S3425DW 34″ 120Hz Monitor is a 34-inch monitor with 3440 x 1440 resolution, a 120 Hz refresh rate and VA panel. Fine for work and everyday use; for fast shooters look at 144 Hz and up. It came out in 2025.

Released: 2025-04-02

Specifications

Key specs

Screen size: 34 inch
Resolution: 3440 x 1440
Refresh rate: 120 Hz
Panel: VA
Response time: 3 ms
Released: 2025-04-02
Part number: DELL-S3425DW
EAN / UPC: 5397184962398

Display

Display diagonal: 86.4 cm (34")
Display resolution: 3440 x 1440 pixels
HD type: Wide Quad HD
Native aspect ratio: 21:9
Display technology: LCD
Panel type: VA
LED backlight: Yes
Backlight type: Edge LED
Display brightness (typical): 300 cd/m²
Response time: 5 ms
Response time measurement type: GTG (Gray to Gray)
Anti-glare screen: Yes
Screen shape: Curved
Supported graphics resolutions: 640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1280 x 800 (WXGA), 1280 x 960, 1440 x 900 (WXGA+), 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080), 2560 x 1440, 3840 x 2160
Supported video modes: 480p, 576p, 720p, 1080i, 2160p
Contrast ratio (typical): 3000:1
Maximum refresh rate: 120 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.07 billion colours
Response time (fast): 3 ms
Pixel pitch: 0.23175 x 0.23175 mm
Pixel density: 109 ppi
Viewable size, horizontal: 79.7 cm
Viewable size, vertical: 33.4 cm
Digital horizontal frequency: 25 - 200 kHz
Digital vertical frequency: 48 - 120 Hz
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10)
Surface hardness: 3H
sRGB coverage (typical): 99%
DCI-P3 coverage: 95%

Performance

AMD FreeSync: Yes
AMD FreeSync type: FreeSync Premium
Flicker-free technology: Yes
Low Blue Light technology: Yes

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Multimedia

Number of speakers: 2
RMS rated power: 10 W
Built-in speaker(s): Yes

Design

Market positioning: Office
Product colour: Silver
Front bezel colour: Black
Detachable stand: Yes
Feet colour: Silver

Ports & interfaces

Built-in USB hub: Yes
USB hub version: 2.0 / 3.2 Gen 1 (3.1 Gen 1)
USB upstream port type: USB Type-C
Number of USB Type-C upstream ports quantity: 1
USB Type-A downstream ports quantity: 2
USB Type-C downstream ports quantity: 1
USB Type-C DisplayPort Alternate Mode: Yes
USB Power Delivery (USB PD): Yes
USB Power Delivery up to: 65 W
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
HDCP: Yes
HDCP version: 1.4/2.2

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Cable management: Yes
Cable lock slot: Yes
Cable lock slot type: Kensington
Height adjustment: Yes
Adjustable height (max): 13 cm
Pivot: Yes
Pivot angle: -4 - 4°
Tilt adjustment: Yes
Tilt angle range: -5 - 21°
Picture-in-Picture: Yes
On Screen Display (OSD): Yes
Plug and Play: Yes
LED indicators: Power

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 31 kWh
Energy consumption (HDR) per 1000 hours: 40 kWh
Power consumption (typical): 31 W
Power consumption (standby): 0.3 W
Power consumption (max): 175 W
Power consumption (off): 0.3 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Input current: 2 A
Power supply type: Internal
Energy efficiency scale: A to G

Operational conditions

Operating temperature (T-T): 0 - 40 °C
Storage temperature (T-T): -20 - 60 °C
Operating relative humidity (H-H): 10 - 80%
Storage relative humidity (H-H): 5 - 90%
Operating altitude: 0 - 5000 m
Non-operating altitude: 5000 - 12192 m

Weight & dimensions

Width (with stand): 807.3 mm
Depth (with stand): 221.8 mm
Height (with stand): 517.2 mm
Weight (with stand): 9.13 kg
Width (without stand): 807.3 mm
Depth (without stand): 116.9 mm
Height (without stand): 355.8 mm
Weight (without stand): 6.91 kg
Bezel width (side): 8.29 mm
Bezel width (top): 8.25 mm
Bezel width (bottom): 1.38 cm

Carbon footprint

Carbon emissions, manufacturing (kg of CO2e): 144.79
Carbon emissions, logistics (kg of CO2e): 27.97
Carbon emissions, energy usage (kg of CO2e): 150.8
Carbon emissions, end-of-life (kg of CO2e): 30.44
PAIA version: GaBi version 1, 2024

Other features

Compliance certificates: RoHS

Check the manufacturer's page before buying.

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About this product

34-inch WQHD USB-C curved monitor with up to 120Hz refresh rate and dual 5W speakers for elevated entertainment.

User manual (PDF)

S3425DW vs similar monitors

	Dell Plus S3425DW 34″ 120Hz Monitor	AOC CU34E4CW/75 34″ 120Hz Monitor	Lenovo L34W-4C Monitor	MSI PRO MP341CQDE E12
Screen size	34 inch	34 inch	34 inch	34 inch
Resolution	3440 x 1440	3440 x 1440	3440 x 1440	3440 x 1440
Refresh rate	120 Hz	120 Hz	120 Hz	120 Hz
Panel	VA	VA	VA	VA
Response time	3 ms	4 ms	4 ms	4 ms
Released	2025	2026	2026	2026