Alienware 34 QD-OLED Gaming Monitor AW3426DW

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At a glance

Key facts

Diagonal Size
34"
Resolution
3440x1440
Panel / Backlight
OLED · QD-OLED
Aspect Ratio
21:9
USB-C Power Delivery
15 W

Buying advice

The AW3426DW is for ultrawide gamers who want very fast 280Hz QD-OLED motion, deep blacks and broad HDR support in a familiar 34-inch format. It is less suitable for buyers worried about OLED care or those needing high-power USB-C laptop docking.

Available specifications

46 fields · 11 unavailable fields

PHYSICAL SCALE

PHYSICAL SIZE
796.62 × 333.47 mm

RELEASE / IDENTITY

Release Date
2026-07-09
Brand
Dell
Series
Alienware
Model
AW3426DW

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.

Alienware 34 QD-OLED Gaming Monitor AW3426DW
109.7 ppiPixel pitch 231.5 µm
Panel / Backlight
OLED · QD-OLED
Screen Shape
Curved · 1,800R

MOTION

Refresh Rate
280 Hz
VRR Range
-
Adaptive Sync
AMD FreeSync Premium Pro / NVIDIA G-SYNC Compatible
Official Response
0.03 ms · official GtG

HDR & COLOR

HDR Formats
HDR10 / Dolby Vision
HDR Certifications
VESA DisplayHDR True Black 500
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.

Alienware 34 QD-OLED Gaming Monitor AW3426DW
✓VESA DisplayHDR True Black 500 · HDR10 · Dolby Vision
Peak brightness1,300 nits · claimed
Contrast1,500,000:1 · claimed
DimmingPixel-level (OLED)
HDR formats2 formats
Color depth10-bit
Claimed typical300 nits
Claimed peak1,300 nits
Measured peak-
Local dimmingPixel-level (OLED)
Claimed Brightness
Typical 300 nits · Peak 1,300 nits
Claimed Contrast
1,500,000:1
Local Dimming
-
Color Coverage
-
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.

Alienware 34 QD-OLED Gaming Monitor AW3426DW
sRGB-
DCI-P3-
Adobe RGB-
Color Depth
10-bit · 10-bit

CONNECTIVITY

PORT MAP

Visual insight

Ports and hub features

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

Alienware 34 QD-OLED Gaming Monitor AW3426DW
HDMI2× · v2.1✓
DisplayPort1× · v1.4✓
USB-C1× · 15 W PDUSB data · 15W downstream charging✓
ThunderboltUnknown?
USB hubSupported✓
EthernetUnsupported—
AudioSupported✓
KVMUnsupported—
HDMI
2 ports · 2.1
DisplayPort
1 ports · 1.4
USB-C
1 ports
Thunderbolt
-
USB-C Capabilities
USB data / 15W downstream charging
USB-C Power Delivery
15 W
Hub / KVM / Ethernet
USB hub Yes · KVM No · Ethernet No
Audio / Speakers
Audio out Yes · Speakers No

ERGONOMICS

ERGONOMIC CAPABILITIES

Visual insight

Ergonomics

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

Alienware 34 QD-OLED Gaming Monitor AW3426DW
HeightUnknown?
TiltUnknown?
SwivelUnknown?
PivotUnknown?
VESA100 × 100 mm✓
Stand
Stand included · height/tilt/swivel adjustable
Height Adjustment
-
Tilt
-
Swivel
-
Pivot
-
VESA Mount
100 × 100 mm

BODY & POWER

Body Dimensions
-
With-Stand Dimensions
W 814.2 · H - · D 232 mm
Weights
-
Power Consumption
-
Warranty
3 years

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