Alienware AW-Series AW2521H 25" Dark Side of the Moon 2021
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.
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
ExclusiveBased on when customers actually wrote their reviews — so you can see whether early praise held up.
Based on 9 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
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 25" | LG UltraGear 45GX950A-B | ASUS ROG Strix XG27AQDMG | MSI MPG MPG 271QRX QD-OLED | Samsung Odyssey Neo G9 G95NC | Dell UltraSharp U4025QW |
|---|---|---|---|---|---|---|
| Screen Size | 24.5 | 44.5 | 26.5 | 27 | 57 | 39.70000076293945 |
| Resolution | 1920x1080 | 5120 x 2160 | 2560 x 1440 | 2560 x 1440 | 7680 x 2160 | 5120 x 2160 |
| Panel Type | IPS | OLED | OLED | QD-OLED | VA | IPS |
| Refresh Rate | 360 | 165 | 240 | 360 | 240 | 120 |
| Response Time Ms | 1 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 1 | 5 |
| Adaptive Sync | G-Sync | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro | Adaptive-Sync |
| Hdr | HDR10 | DisplayHDR True Black 400 | HDR10 | DisplayHDR True Black 400 | HDR10+ | DisplayHDR 600 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Compact | Display | Feature | User Sentiment | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Alienware AW-Series AW2521H 25" | 84.3 | 55 | 36.2 | 72.4 | 59.1 | 72.2 | 92 | 87.7 | 91.2 |
| LG UltraGear 45GX950A-B Compare | 99.4 | 82.4 | 99.7 | 97.3 | 0 | 90.5 | 96.1 | 96.8 | 91.2 |
| ASUS ROG Strix XG27AQDMG Compare | 96.4 | 73.9 | 75.7 | 72.4 | 95.8 | 90.5 | 97.9 | 93.1 | 86.4 |
| MSI MPG MPG 271QRX QD-OLED Compare | 98.9 | 63.8 | 76.6 | 72.4 | 99.1 | 90.5 | 99.5 | 82.2 | 99.5 |
| Samsung Odyssey Neo G9 G95NC Compare | 99.4 | 32.1 | 99.7 | 97.3 | 0 | 72.2 | 87.6 | 93.1 | 95.7 |
| Dell UltraSharp U4025QW Compare | 97.5 | 82.4 | 98.4 | 97.3 | 75.6 | 72.2 | 56.2 | 99.2 | 98.4 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
