Dell

Alienware 120Hz UltraWide Gaming 34 Inch Curved Monitor with WQHD (3440 x 1440) Anti-Glare Display, 2ms Response Time, Nvidia G-Sync, Lunar Light - AW3420DW

Name: Alienware 120Hz UltraWide Gaming 34 Inch Curved Monitor with WQHD (3440 x 1440) Anti-Glare Display, 2ms Response Time, Nvidia G-Sync, Lunar Light
Brand: Dell
SKU: B07YLGH9Q5
Price: 638.00 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$638.00

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View Current Price on Amazon → Compare to similar gaming monitors

*Price sourced from Amazon.com. Price and availability subject to change.

Bottom line: The Alienware 120Hz UltraWide Gaming 34 Inch Curved Monitor with WQHD (3440 x 1440) Anti-Glare Display, 2ms Response Time, Nvidia G-Sync, Lunar Light - AW3420DW is a niche pick — read recent reviews before buying in the gaming monitors category, priced around $638.00. Compare close alternatives before committing.

Introducing the new, immersive Alienware 34 curved gaming monitor. Featuring IPS Nano color, A curved screen, WQHD resolution alongside a fast response time and a 120Hz native refresh rate, This monitor offers a gaming experience that puts you right in the gaming world. Contrast Ratio: 1000: 1 (typical), Pixel Pitch: 0.2325 mm x 0.2325 mm, Input Connectors: 1 x HDMI (ver 1.4), 1 x DP (ver 1.2), 1 x USB 3.0 upstream port (Rear), 2 x USB 3.0 Downstream port (Rear), 2 x USB 3.0 Downstream port with 1 x power charging (Front bottom), 1 x Headphone-out jack (Front Bottom), 1 x Audio Line-out jack…

SpecPicks Verdict

SpecPicks scored Alienware 120Hz UltraWide Gaming 34 Inch Curved Monitor with WQHD… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the gaming monitors category. Dell's gaming monitors lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for gaming monitors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Experience breathtaking views with a combination of immersive features
✓ Backed by Dell's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Experience breathtaking views with a combination of immersive features
Aspect Ratio is 21:9; Viewing Angle is 178º (H) / 178º (V); Brightness is 350 cd/m²(typical)
A 1900R curved, wide 21: 9 display maximizes the field of view and provides an even, consistent viewing experience
With a WQHD (3440x1440) resolution, the image is sharp and detailed delivering an immersive experience
A 120Hz refresh rate with NVIDIA G-SYNC provides buttery smooth gameplay and realism
G-sync technology synchronizes the GPU and monitor, displaying full frames only when the monitor is capable of displaying them; This minimizes graphic distortions such as tearing and artifacts from forming on screen

Full Specifications

Brand	Dell
Color	BLACK
Shape	rectangular prism
Voltage	240 volts
Brightness	1199.1 lm
Model Name	091K255
Resolution	QHD Wide 1440p
Unit Count	1 Count
Color Gamut	1.35
Pixel Pitch	0.23
Screen Size	34 inches
Aspect Ratio	21:9
Display Type	LED
Model Number	AW3420DW
Refresh Rate	120 hertz
Adaptive Sync	G-Sync
Mounting Type	Wall Mount
Response Time	2 milliseconds
Screen Finish	Glossy
Viewing Angle	178 degrees

Ready to buy?

Alienware 120Hz UltraWide Gaming 34 Inch Curved Monitor with WQHD (3440 x 1440) Anti-Glare Display, 2ms Response Time, Nvidia G-Sync, Lunar Light - AW3420DW is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price on Amazon →

*Price sourced from Amazon.com. Price and availability subject to change.