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Dell 34 Plus USB-C Monitor S3425DW

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At a glance

Key facts

Diagonal Size
34"
Resolution
3440x1440
Panel / Backlight
LCD · VA · WLED
Aspect Ratio
21:9
USB-C Power Delivery
65 W

Buying advice

The S3425DW is a straightforward one-cable ultrawide for buyers who value a broad 3440x1440 workspace, 120Hz smoothness and built-in audio more than premium HDR. Its 1800R VA panel suits office timelines and immersive everyday use, while demanding esports and color-critical work call for a faster or better-validated panel.

Available specifications

46 fields · 12 unavailable fields

PHYSICAL SCALE

PHYSICAL SIZE
796.62 × 333.47 mm

RELEASE / IDENTITY

Release Date
2025
Brand
Dell
Series
Dell Plus
Model
S3425DW

SCREEN

Active Screen Area
796.62 × 333.47 mm
Diagonal Size
34"
Resolution
3440x1440
Aspect Ratio
21:9
Pixel Density
109.7 ppi
PPI / PIXEL PITCH

Visual insight

Pixel density / PPI

Fixed 50–300 PPI axis. Pixel-pitch samples are symbolic and not physical pixels.

Dell 34 Plus USB-C Monitor S3425DW
109.7 ppiPixel pitch 231.5 µm
Panel / Backlight
LCD · VA · WLED
Screen Shape
Curved · 1,800R

MOTION

Refresh Rate
120 Hz
VRR Range
48–120 Hz
Adaptive Sync
AMD FreeSync Premium / VESA AdaptiveSync
Official Response
4 ms · official extreme-mode GtG

HDR & COLOR

HDR Formats
HDR10
HDR Certifications
-
HDR CAPABILITY

Visual insight

HDR capability

Five fixed axes: 2,000 nits linear; 1,500,000:1 and 2,304 zones logarithmic; 4 formats; 6–12 bit. Missing axes stay open, not zero.

Dell 34 Plus USB-C Monitor S3425DW
✓HDR10
Peak brightness-
Contrast3,000:1 · claimed
Dimming-
HDR formats1 formats
Color depth10-bit
Claimed typical300 nits
Claimed peak-
Measured peak-
Local dimmingUnknownZone count -
Claimed Brightness
Typical 300 nits
Claimed Contrast
3,000:1
Local Dimming
-
Color Coverage
sRGB 99% · DCI-P3 95%
COLOR GAMUT COVERAGE

Visual insight

Color gamut coverage

Coverage bars use a fixed 0–100% axis. They do not depict CIE geometry, gamut shape, or overlap.

Dell 34 Plus USB-C Monitor S3425DW
sRGB99%
DCI-P395%
Adobe RGB-
Color Depth
10-bit · 1.07 billion colors

CONNECTIVITY

PORT MAP

Visual insight

Ports and hub features

Icons use structured counts, versions, capabilities, and booleans. Unsupported and unknown remain distinct.

Dell 34 Plus USB-C Monitor S3425DW
HDMI2× · vHDMI 2.1✓
DisplayPortUnknown?
USB-C2× · 65 W PDDisplayPort Alt Mode · USB data · 65W power delivery✓
ThunderboltUnknown?
USB hubSupported✓
EthernetUnknown?
AudioSupported✓
KVMUnknown?
HDMI
2 ports · HDMI 2.1
DisplayPort
-
USB-C
2 ports
Thunderbolt
-
USB-C Capabilities
DisplayPort Alt Mode / USB data / 65W power delivery
USB-C Power Delivery
65 W
Hub / KVM / Ethernet
USB hub Yes
Audio / Speakers
Audio out Yes · Speakers Yes

ERGONOMICS

ERGONOMIC CAPABILITIES

Visual insight

Ergonomics

Adjustment ranges, known stand capabilities and VESA dimensions are shown. Unspecified directions remain unknown.

Dell 34 Plus USB-C Monitor S3425DW
HeightUnknown?
TiltUnknown?
SwivelUnknown?
PivotUnknown?
VESA100 × 100 mm✓
Stand
Stand included · height/tilt adjustable
Height Adjustment
-
Tilt
-
Swivel
-
Pivot
-
VESA Mount
100 × 100 mm

BODY & POWER

Body Dimensions
-
With-Stand Dimensions
-
Weights
-
Power Consumption
Typical 31 W · Maximum 175 W
Warranty
-

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