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Dell Alienware 34 280Hz QD-OLED (AW3426DW) · Photo source

Dell Alienware 34 280Hz QD-OLED (AW3426DW)
Photo 1 of 11

Dell Alienware 34 280Hz QD-OLED (AW3426DW) · Photo source

Dell · Alienware

Alienware 34 280Hz QD-OLED (AW3426DW)

Released June 2026

Alienware's 2026 34-inch curved ultrawide gaming monitor, with a 3440 x 1440 Penta Tandem QD-OLED panel with RGB-stripe subpixels, a 280Hz refresh rate and Dolby Vision.

Size
34″
Resolution
3440 × 1440
PPI
110
Panel
QD-OLED
Refresh
280 Hz
Brightness
300 nits
HDR
True Black 500
USB-C power
–

What reviewers say

Reviewers agree it is a strong, well-priced update, praising the brighter picture, better contrast and much clearer text from the new subpixel layout, along with Dell's accurate calibration and fast gaming performance. The common complaints are the missing USB-C, KVM switch and blur reduction; TFTCentral noted 360Hz rivals, and PC Gamer found the pixel density mediocre.

From tftcentral.co.uk, tomshardware.com and pcgamer.com

Specifications

Report a wrong or missing spec

Display

Screen size
34″
Resolution
3440 × 1440 (UWQHD)
Sharpness
110 pixels per inch
Panel
QD-OLED (Penta Tandem QD-OLED)
Refresh rate
280 Hz
Response time (grey to grey)
0.03 ms
Brightness (typical)
300 nits
HDR peak brightness
1,300 nits
HDR certification
DisplayHDR True Black 500
HDR formats
HDR10, Dolby Vision
Contrast ratio
1,500,000:1
Colour range
99% DCI-P3
DCI-P3 coverage
99%
Colour accuracy (Delta E)
Below 2
Screen finish
Glossy
Shape
Curved (1800R)
Adaptive sync
G-Sync Compatible, FreeSync Premium Pro, VESA AdaptiveSync, HDMI VRR
Subpixel layout
RGB stripe
Colour depth
1.07 billion colours (10-bit)
Colour accuracy
Delta E < 2 (average) (sRGB, DCI-P3)
Colour modes
Standard, Creator (DCI-P3 or sRGB), FPS, MOBA/RTS, RPG, Sports, three custom game modes
HDR detail
1300 cd/m² HDR peak at 3% APL; Smart HDR modes Desktop, Movie HDR, Game HDR, Custom Color HDR, DisplayHDR True Black (500 cd/m²), HDR Peak 1300 and HDR Peak 1300 Bright
Variable refresh range
48–280 Hz (vertical scan range)
Viewing angles
178° horizontal, 178° vertical (typical)
Pixel pitch
0.2315 mm x 0.2315 mm
Eye care
Hardware low blue light (TÜV Rheinland Hardware Solution); flicker-free
Burn-in protection
Anti-burn-in algorithm, graphite heat-dispersion sheet, pixel refresh, pixel shift and panel health indicator; 3-year warranty includes burn-in

Connections

Video inputs
2 × HDMI 2.1, DisplayPort 1.4
USB-C charging
None
USB ports
USB-C, USB-A
Ethernet
No
Speakers
No
HDMI detail
2 x HDMI 2.1 FRL (HDCP 1.4 & 2.3), up to 3440 x 1440 at 280 Hz with HDR, VRR and DSC; up to 3840 x 2160 at 120 Hz in Console Mode
DisplayPort detail
1 x DisplayPort 1.4 (HDCP 1.4 & 2.3), up to 3440 x 1440 at 280 Hz with DSC and HDR
USB-C detail
1 x USB-C 5Gbps downstream port with 15 W charging (data only, no video)
USB hub detail
USB 5Gbps; 1 x Type-B upstream; 1 x Type-A downstream; 1 x USB-C downstream (15 W)
Picture by picture
Picture by Picture and Picture in Picture

Design

Stand adjusts
Height, tilt, swivel
VESA mount
Yes
Weight with stand
7.91 kg
Height adjustment
110 mm
Tilt
-5° to 21°
Swivel
-20° to 20°
VESA pattern
100 x 100 mm
Size with stand
814.15 x 232 x 445.08–555.08 mm (W x D x H)
Size without stand
814.15 x 111.23 x 361.55 mm (W x D x H)
Weight without stand
4.88 kg
Controls
Joystick
Colours
Black

Power and support

Power use
31.0 W on mode, 0.5 W standby, 0.3 W off, 190 W maximum
Energy class
F
Power supply
100–240 VAC, 50/60 Hz, 2.8 A (typical)
Software
Alienware Command Center
Warranty
3 years limited hardware with Advanced Exchange Service and Premium Panel Exchange, including burn-in (UK)
In the box
Stand, power cable, DisplayPort 1.4 cable (1.8 m), HDMI 2.1 FRL cable (1.8 m), USB-A to USB-B 5Gbps cable (1.8 m), microfibre cloth

Pros and cons

Pros

  • RGB-stripe subpixels for cleaner text than earlier QD-OLED panels, with 280Hz over DisplayPort or either of two HDMI 2.1 ports
  • 1,300-nit HDR peak (3% window), VESA DisplayHDR True Black 500 and Dolby Vision
  • 3-year warranty includes OLED burn-in

Cons

  • 110 ppi, the usual sharpness for a 34-inch ultrawide
  • No USB-C video input or laptop charging, no speakers and no headphone jack
  • Stand has no pivot; Dell says the panel must not be used in portrait

Closest rivals

Model
SizeResolutionPPIPanelRefreshBrightnessHDRUSB-C powerReleased
LGUltraGear OLED 34GX900A
34″3440 × 1440110OLED240 Hz275 nitsTrue Black 40065 WSept 2025
MSIMPG 341CQPX QD-OLED
34.18″3440 × 1440109QD-OLED240 Hz250 nitsTrue Black 40098 WMay 2024
MSIMPG 341CQR QD-OLED X36
34″3440 × 1440110QD-OLED360 Hz300 nitsTrue Black 50098 WApr 2026

Sources

  1. dell.com/en-gb/shop/monitors/apd/alienware-34-280hz-qd-oled-gaming-monitor-aw34…
  2. dl.dell.com/content/manual12353199-alienware-34-280hz-qd-oled-gaming-monitor-aw…
  3. eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2609824_EN.pdf
  4. tftcentral.co.uk/news/dell-announce-the-alienware-aw3426dw-a-new-34-ultrawide-p…

Photo: i.dell.com

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