Alienware AW2721D Review

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The Alienware AW2721D is a superb high-end monitor, thanks to its native refresh rate of 240Hz, NVIDIA G-Sync ultimate, and a low input lag. But watch out for the low contrast ratio and the lack of HDMI 2.1.


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Table of Contents

Product Snapshot


The Alienware AW2721D is a high-end 1440P 240Hz IPS gaming monitor released in December 2021. It boasts a fast IPS panel that claims to deliver better viewing angles and color accuracy than similar monitors that come with a VA panel. In addition, unlike the Acer Predator XB3, it claims to feature both NVIDIA’s G-Sync Ultimate and AMD’s FreeSync technologies for PC gamers. Lastly, it boasts its DisplayHDR 600 certification for providing a fantastic PC HDR viewing and gaming experience. Overall, it is exceptionally well-positioned for both gamers and content creators alike if budget isn’t an issue. To learn more about top reviewers’ opinions, continue reading our Alienware AW2721D review below, and see how it compares to the best-rated computer monitors available today.


our Verdict

The Alienware AW2721D is a great choice for gamers and content creators alike. It has DisplayHDR 600 certification, a native refresh rate of 240Hz, NVIDIA G-Sync ultimate, and a low input lag. But watch out for the backlight bleed, low contrast ratio, and no HDMI 2.1.

ReasonS to Buy

  • 2560 x 1440 native resolution
  • VESA DisplayHDR 600 certification with HDR 10
  • 240Hz refresh rate
  • Excellent viewing angles
  • Flicker-free NVIDIA G-Sync ultimate certification
  • Great response time
  • Low input lag
  • Exceeds advertised peak brightness measurements
  • 88.8% DCI P3 color gamut coverage

Reason to Avoid

  • No USB type C port
  • No mic support on its 3.5 mm audio output
  • Bad black uniformity
  • Visible backlight bleeds around the edges
  • Local dimming worsens the contrast ratio
  • Doesn’t have HDMI 2.1
  • Lackluster native contrast ratio
  • Bad reflection handling

Alienware AW2721D Specs

Display TypeWLED
HDMI Inputs2
HDR FormatYes
Max Resolution2560 x 1440
Panel TypePanel TypeIPS
Refresh Rate240 Hz
Response TimeResponse Time1 ms
Screen size27"
Sync TechnologySync TechnologyAMD FreeSync, G-Sync

All Specs

Test Results

Brightness (nits)545
Contrast Ratio (as ratio, x:1)1,345
Color Gamut/Accuracy % (DCI P3 xy)97.35
Color Gamut/Accuracy % (DCI P3 uv)0
Color Gamut % (Adobe RGB Coverage xy)87.3
Color Gamut % (sRGB Coverage xy)99.9
Color Gamut % (Rec. 2020 Coverage xy)71.9
Color Gamut % (Rec. 709 Coverage xy)0
Input Lag (ms)8.05
Response Time (ms)4.3
Reflections % (Total Reflections)7.8
Horizontal Viewing Angle (Washout Left)39
Horizontal Viewing Angle (Washout Right)39
Vertical Viewing Angle (Washout Above)38
Vertical Viewing Angle (Washout Below)39

All Tests

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Expert Scores

  • Rtings

    Category Trust Rating

    The Alienware AW2721D impresses in key areas: its 240Hz Nvidia G-Sync delivers smooth fast-paced gaming,… Read More


  • PC Mag

    Category Trust Rating

    The Dell AW2721D is an impressive gaming monitor. It has a 240Hz refresh rate and… Read More


    Samuel Breton
  • Trusted Reviews

    Category Trust Rating

    The Dell Alienware AW2721D is a 27″ 1440p 240Hz IPS gaming monitor with G-SYNC and… Read More


    Rob Shafer
  • Display Ninja

    Category Trust Rating

    If you want your multiplayer and single-player games to look their best at 1440p, the… Read More


    Mike Jennings