SKU: 90LM0C90-B01171
PRODUCT TYPE: Monitor
ASUS ROG Strix XG27ACMES Gaming Monitor | 27" Fast IPS | WQHD 1440p | 255Hz | 0.3ms | G-SYNC | FreeSync Premium | USB-C
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ASUS ROG Strix XG27ACMES Gaming Monitor — 27" 1440p 255Hz Fast IPS
The ROG Strix XG27ACMES is built for elite gaming performance — combining a 27-inch 2560×1440 Fast IPS panel with a 255Hz (OC) refresh rate, 0.3ms response time (min.), and ASUS's cutting-edge ELMB SYNC technology for simultaneous motion blur reduction and variable refresh rate. Its 133% sRGB and 97% DCI-P3 colour gamut, factory-calibrated and paired with DisplayHDR 400, ensures every game looks as vibrant as it runs smooth. AI Gaming assists — Dynamic Crosshair, Dynamic Shadow Boost, and Variable Overdrive 2.0 — give you a real competitive edge. USB Type-C with DP Alt Mode + 15W Power Delivery, HDMI 2.1, DisplayPort 1.4, and a full ergonomic stand with tilt, swivel, pivot, and height adjustment make this monitor as practical as it is powerful. G-SYNC Compatible and AMD FreeSync Premium certified.
Key Features
- 27" Fast IPS — 2560×1440 WQHD, 255Hz (OC), 0.3ms (min.) / 1ms GTG response time
- 133% sRGB / 97% DCI-P3 — factory-calibrated, 10-bit (1073.7M colours)
- VESA DisplayHDR 400 — peak brightness 400 cd/m², 350 nits typical
- ELMB SYNC — eliminates ghosting and tearing simultaneously with VRR
- G-SYNC Compatible + AMD FreeSync Premium + VESA AdaptiveSync 255Hz certified
- ROG Gaming AI — Dynamic Crosshair + Dynamic Shadow Boost + Variable Overdrive 2.0
- GameFast Input Technology — reduces input lag for instant responsiveness
- GameVisual + GamePlus — visual presets and in-game overlays (crosshair, timer, FPS)
- 1× USB-C (DP Alt Mode + 15W PD) + 1× DisplayPort 1.4 (HBR3) + 1× HDMI 2.1 (FRL)
- Earphone jack
- Full ergonomic stand — tilt (±20°/-5°), swivel (±45°), pivot (±90°), height (0–110mm)
- VESA 100×100mm wall mount
- 1/4" Tripod socket
- Kensington Lock
- TÜV Flicker-free + TÜV Low Blue Light certified
- DisplayWidget Center — software OSD control
- Eco-friendly packaging (100% recycled cardboard)
- In box: DisplayPort cable + power cord + quick start guide + ROG pouch + ROG sticker
Specifications
Display
| Panel Size | 27" Fast IPS |
| Resolution | 2560 × 1440 (WQHD) — 16:9 |
| Refresh Rate | 255Hz (OC Max) |
| Response Time | 0.3ms (min.) / 1ms (GTG) |
| Brightness (Typ.) | 350 cd/m² |
| Brightness (HDR Peak) | 400 cd/m² |
| Contrast Ratio | 1300:1 (Typ.) |
| Color Gamut | 133% sRGB / 97% DCI-P3 |
| Display Colors | 1073.7M (10-bit) |
| Viewing Angle | 178°(H) / 178°(V) |
| Surface Treatment | Anti-Glare |
| HDR | HDR10 / VESA DisplayHDR 400 |
| Backlight | LED |
| Pixel Pitch | 0.233mm |
Connectivity
| USB Type-C | 1× USB-C (DP Alt Mode + 15W Power Delivery) |
| DisplayPort | 1× DisplayPort 1.4 (HBR3) |
| HDMI | 1× HDMI 2.1 (FRL) |
| Audio Out | 1× Earphone Jack |
| Speaker | No |
| HDCP | 2.3 |
Adaptive Sync
| Technologies | G-SYNC Compatible + AMD FreeSync Premium + VESA AdaptiveSync Display 255Hz |
| VRR Range | 48–255Hz |
| ELMB SYNC | Yes — simultaneous VRR + motion blur reduction |
Gaming Features
| AI Dynamic Crosshair | Yes |
| AI Dynamic Shadow Boost | Yes |
| Variable Overdrive 2.0 | Yes |
| GameFast Input | Yes |
| GameVisual | Yes |
| GamePlus | Yes (crosshair, timer, FPS counter) |
| Shadow Boost | Yes |
| Trace Free | Yes |
| DisplayWidget Center | Yes |
Ergonomics
| Tilt | +20° ~ -5° |
| Swivel | ±45° |
| Pivot | ±90° |
| Height Adjustment | 0–110mm |
| VESA | 100×100mm |
| Kensington Lock | Yes |
| 1/4" Tripod Socket | Yes |
Power
| Power Consumption | <21W |
| Power Saving | <0.5W |
| Power Off | <0.3W |
Physical
| Dimensions (with stand) | 614.8 × 503.4 × 188.7 mm |
| Dimensions (without stand) | 614.8 × 367.1 × 63.0 mm |
| Net Weight | 5.96 kg |
General
| Model | ROG Strix XG27ACMES |
| SKU | 90LM0C90-B01171 |
| Certifications | TÜV Flicker-free, TÜV Low Blue Light, VESA DisplayHDR 400, AMD FreeSync Premium, G-SYNC Compatible, FSC MIX |
