• 27-inch Fast IPS Display
• 2560 × 1440 (QHD/WQHD) Resolution
• 255Hz Overclocked Refresh Rate
• 0.3ms (GTG) Response Time
• Fast IPS Panel Technology
• NVIDIA G-SYNC Compatible
• AMD FreeSync Premium Support
• VESA DisplayHDR 400 Certified
• 95% DCI-P3 Color Gamut
• 125% sRGB Color Coverage
• Factory Color Calibrated (Delta E < 2)
• ASUS Extreme Low Motion Blur (ELMB) Sync
• AI Gaming Features (AI Crosshair, AI Shadow Boost, AI Visual)
• USB Type-C with DisplayPort Alt Mode
• Low Blue Light & Flicker-Free Technology for Eye Care

Asus ROG Strix XG27ACMES

27-inch QHD Fast IPS gaming monitor — 255Hz OC, 0.3ms response

SpecificationDetailsScreen Size27 inchesPanel TypeFast IPSResolution2560 x 1440 (QHD)Refresh Rate255Hz (OC), Above 144HzResponse Time0.3ms (min.)HDR SupportDisplay HDR400Color GamutsRGB 133% / DCI-P3 97%Color Depth10-bit colour (1073.7M colours)Viewing Angles178° / 178°Adaptive SyncG-SYNC Compatible (NVIDIA), FreeSync Premium (AMD)Motion Blur ReductionASUS Extreme Low Motion Blur Sync (ELMB SYNC) — works with variable refresh rate to eliminate ghosting and tearingOverdriveIntegrated ASUS Variable Overdrive technologyConnectivityUSB-C (DP Alt Mode + 15W power delivery), DisplayPort 1.4, HDMI 2.1USB-C FeaturesDP Alt mode for a clutter-free, single-cable setupErgonomicsHeight, swivel, tilt, and pivot adjustableMountingTripod socketSoftwareDisplayWidget Center, ROG Gaming A.I. technologyPackaging100% recycled cardboard

Note: Refresh rate is listed as 255Hz on ASUS/ROG’s official product pages. Some retailers round this to 250Hz in their listings.