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Dell Alienware 34 240Hz (AW3426DWM) · Photo source
Dell · Alienware
Alienware 34 240Hz (AW3426DWM)
Alienware's lower-priced 2026 34-inch curved ultrawide, a 3440 x 1440 VA monitor with a 240Hz refresh rate and VESA DisplayHDR 400, for gamers who want an ultrawide without OLED prices.
- Size
- 34″
- Resolution
- 3440 × 1440
- PPI
- 110
- Panel
- VA
- Refresh
- 240 Hz
- Brightness
- 400 nits
- HDR
- 400
- USB-C power
- –
Specifications
Report a wrong or missing specDisplay
- Screen size
- 34″
- Resolution
- 3440 × 1440 (UWQHD)
- Sharpness
- 110 pixels per inch
- Panel
- VA
- Refresh rate
- 240 Hz
- Response time (grey to grey)
- 1 ms
- Brightness (typical)
- 400 nits
- HDR peak brightness
- 450 nits
- HDR certification
- DisplayHDR 400
- HDR formats
- HDR10, Dolby Vision
- Contrast ratio
- 3,000:1
- Colour range
- 95% DCI-P3
- DCI-P3 coverage
- 95%
- Screen finish
- Matte
- Shape
- Curved (1500R)
- Adaptive sync
- FreeSync Premium, VESA AdaptiveSync, HDMI VRR
- Colour depth
- 1.07 billion colours (8-bit + FRC)
- HDR detail
- 450 cd/m² (typical) in HDR 400
- Response time detail
- 1 ms (Extreme), 2 ms (Super Fast), 4 ms (Fast)
- Variable refresh range
- 48–240 Hz (vertical scan range)
- Viewing angles
- 178° horizontal, 178° vertical (typical)
- Pixel pitch
- 0.23175 mm x 0.23175 mm
- Eye care
- Hardware low blue light (TÜV Rheinland Hardware Solution); flicker-free
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 240 Hz with DSC, HDR and VRR; HDMI 1 has eARC/ARC
- DisplayPort detail
- 1 x DisplayPort 1.4 (HDCP 1.4 & 2.3), up to 3440 x 1440 at 240 Hz with DSC, HDR and VRR
- 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
- Audio out
- HDMI eARC/ARC
Design
- Stand adjusts
- Height, tilt
- VESA mount
- Yes
- Weight with stand
- 9.76 kg
- Height adjustment
- 110 mm
- Tilt
- -5° to 21°
- VESA pattern
- 100 x 100 mm
- Size with stand
- 805.45 x 232 x 444.69–554.69 mm (W x D x H)
- Size without stand
- 805.45 x 132.46 x 360.85 mm (W x D x H)
- Weight without stand
- 6.80 kg
- Colours
- Black
Power and support
- Power use
- 32 W on mode, 0.3 W standby, 0.3 W off, 100 W maximum
- Energy class
- G
- Power supply
- 100–240 VAC, 50/60 Hz, 1.5 A (typical)
- Software
- Alienware Command Center
- Warranty
- 3 years with Advanced Exchange (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)
Pros and cons
Pros
- 240Hz at 3440 x 1440 over DisplayPort 1.4 or either of two HDMI 2.1 ports
- VA panel with 3000:1 contrast and 400-nit typical brightness
- HDMI eARC/ARC and Dolby Vision support
Cons
- Stand adjusts only for height and tilt (plus slant), with no swivel
- No factory calibration figure and 95% DCI-P3, below the OLED models
- No USB-C video input or laptop charging, no speakers
Closest rivals
Model | Size | Resolution | PPI | Panel | Refresh | Brightness | HDR | USB-C power | Released |
|---|---|---|---|---|---|---|---|---|---|
| 34″ | 3440 × 1440 | 110 | VA | 240 Hz | 400 nits | 400 | 98 W | May 2025 | |
| 34″ | 3440 × 1440 | 110 | VA | 180 Hz | 300 nits | – | – | May 2024 | |
| 34″ | 3440 × 1440 | 110 | OLED | 240 Hz | 275 nits | True Black 400 | 65 W | Sept 2025 |
Sources
- dell.com/en-gb/shop/monitors/apd/alienware-34-240hz-gaming-monitor-aw3426dwm/aw…
- dl.dell.com/content/manual44545339-alienware-34-240hz-gaming-monitor-aw3426dwm-…
- eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2611048_EN.pdf
Photo: i.dell.com
- View right-facing Alienware AW3426DWM Monitor; official Dell image: i.dell.com/assetlink/img/global/alienware-aw3426dwm-monitor-c-00030rf095-bk-dl1…
- View left-facing Alienware AW3426DWM Monitor; official Dell image: i.dell.com/assetlink/img/global/alienware-aw3426dwm-monitor-c-00030lf095-bk-dl1…
- View Alienware AW3426DWM Monitor; official Dell image: i.dell.com/assetlink/img/global/alienware-aw3426dwm-monitor-c-00050rb110-bk-dl1…
- View left-profile Alienware AW3426DWM Monitor; official Dell image: i.dell.com/assetlink/img/global/monitor-aw3426dwm-black-gallery-6-dl1141d6-larg…
- Alienware AW3426DWM Monitor - Module Image ; official Dell image: i.dell.com/is/image/DellContent/content/dam/ss2/product-images/dell-client-prod…
- Alienware AW3426DWM, official prelaunch product render, press member Alienware 34 240Hz Gaming Monitor_1.png; official Dell image: dell.egnyte.com/dd/YpFKg4vdV7y4
- Alienware AW3426DWM, official prelaunch product render, press member Alienware 34 240Hz Gaming Monitor_2.png; official Dell image: dell.egnyte.com/dd/YpFKg4vdV7y4
- Alienware AW3426DWM, official prelaunch product render, press member Alienware 34 240Hz Gaming Monitor_3.png; official Dell image: dell.egnyte.com/dd/YpFKg4vdV7y4
- Alienware AW3426DWM, official prelaunch product render, press member Alienware 34 240Hz Gaming Monitor_4.png; official Dell image: dell.egnyte.com/dd/YpFKg4vdV7y4
- Alienware AW3426DWM, official prelaunch product render, press member Alienware 34 240Hz Gaming Monitor_5.png; official Dell image: dell.egnyte.com/dd/YpFKg4vdV7y4
- Alienware AW3426DWM, official prelaunch product render, press member Alienware 34 240Hz Gaming Monitor_6.png; official Dell image: dell.egnyte.com/dd/YpFKg4vdV7y4
- Alienware AW3426DWM, official prelaunch product render, press member Alienware 34 240Hz Gaming Monitor_7.png; official Dell image: dell.egnyte.com/dd/YpFKg4vdV7y4


