New

Alienware AW-Series AW2521H 24.5" Dark Side of the Moon 2021

★★★★★ 4.5 (549)

The 360Hz refresh rate and 1ms response time on its 24.5-inch IPS panel provide a critical speed advantage for split-second reactions, while the NVIDIA Reflex Latency Analyzer lets you measure end-to-end system latency directly. Its three-sided ultrathin bezel design and award-winning Legend Industrial aesthetic, co-developed with pro gamers, deliver a premium, focused look that matches its performance. This monitor is best for competitive esports players who need the absolute fastest frame delivery and latency measurement tools to optimize their gameplay.

Screen 24.5
Resolution 1920x1080
Panel IPS
Refresh 360 Hz
response time ms 1
adaptive sync G-Sync
HDR HDR10
Alienware AW-Series AW2521H 24.5" Dark Side of the Moon 2021 monitor
74 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

  • Strong performance (92th percentile) 92th
  • Strong social proof (91th percentile) 91th
  • Strong connectivity (88th percentile) 88th
  • Strong color (84th percentile) 84th

Cons

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews — so you can see whether early praise held up.

Owner sentiment has cooled since launch
82/100Our AI sentiment readlow confidence · 9 sources · Jun 2026
1★2★3★4★5★Q2 '21: 5.0★ · 1 reviewQ2 '22: 5.0★ · 2 reviewsQ3 '22: 1.0★ · 1 reviewQ4 '22: 5.0★ · 2 reviewsQ1 '23: 4.5★ · 2 reviewsQ2 '23: 5.0★ · 1 review121221Q2 '21Q2 '22Q3 '22Q4 '22Q1 '23Q2 '23
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 9 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Color 84.3
Portability 55.1
Display 36.2
Feature 72.4
User Sentiment 59.4
Ergonomic 72.1
Performance 92
Connectivity 87.7
Social Proof 90.9

Specifications

Full Specifications

Display

Size 24.5"
Resolution 1920 (Full HD)
Panel Type IPS
Aspect Ratio 16:9
Curved No

Performance

Refresh Rate 360 Hz
Response Time 1
Adaptive Sync G-Sync

Color & HDR

Brightness 400 nits
Color Gamut 99% sRGB
HDR HDR10
HDR Support HDR10

Connectivity

HDMI Ports 2
DisplayPort 1
Thunderbolt 0
Speakers No
Headphone Jack Yes

Ergonomics

Height Adjustable Yes
Tilt Yes
Swivel Yes
VESA Mount 100x100

Features

Webcam No
Touchscreen No
Power 23
Weight 12.2 kg / 27.0 lbs

vs Competition

Spec Alienware AW-Series AW2521H 24.5" ASUS ROG Strix XG27AQDMG LG UltraGear 27GX790A-B MSI MPG MPG 271QRX QD-OLED Samsung Odyssey OLED G6 G60SF Dell UltraSharp U3425WE
Screen Size 24.5 26.5 27 27 27 34.13999938964844
Resolution 1920x1080 2560 x 1440 2560 x 1440 2560 x 1440 2560 x 1440 3440x1440
Panel Type IPS OLED OLED QD-OLED QD-OLED IPS
Refresh Rate 360 240 480 360 500 120
Response Time Ms 1 0.029999999329447746 0.029999999329447746 0.029999999329447746 0.029999999329447746 5
Adaptive Sync G-Sync FreeSync Premium Pro FreeSync Premium Pro FreeSync Premium Pro FreeSync Premium Pro G-Sync Compatible
Hdr HDR10 HDR10 HDR10 DisplayHDR True Black 400 HDR10+ DisplayHDR 400
Compare Compare Compare Compare Compare
Product ColorCompactDisplayFeatureUser SentimentErgonomicPerformanceConnectivitySocial Proof
Alienware AW-Series AW2521H 24.5" 84.355.136.272.459.472.19287.790.9
ASUS ROG Strix XG27AQDMG Compare 96.473.975.772.495.890.497.993.186
LG UltraGear 27GX790A-B Compare 84.763.976.672.495.890.499.79898.4
MSI MPG MPG 271QRX QD-OLED Compare 98.963.976.672.499.190.499.582.299.5
Samsung Odyssey OLED G6 G60SF Compare 93.963.976.672.495.890.499.99870.9
Dell UltraSharp U3425WE Compare 86.586.880.997.3090.456.299.886

Price

Value & Pricing

From $324 2 offers across 2 retailers
Amazon 1 offers From $324
Best Buy 1 offers From $650

Price History

$200 $300 $400 $500 $600 $700 Jun 4Jun 7 $650

Usage Scores

Overall (74)Gaming (65.4)Office (66.5)Creative (61.4)Portable (11.1)Professional (63.6)Entertainment (55.1)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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