Display Panel Type: 3-side; Size: 27"; Resolution: 1920 x 1080 NearEdgeless, Virginia WLED backlight brightness (normal) 250 cd/m² Refresh Rate: 75 Hz; Aspect Ratio: 16:9 (only for HDMI input) 4 ms is the response time in extreme mode. 6 ms (normal mode) Typical Contrast Ratio: 3000:1 Typical Dynamic Contrast Ratio 3M:1 Angle of View (H x V) 178°/178° 72% NTSC color gamut (CIE 1931) 16.7 M of color support Anti-Glare Indeed. Connectivity One HDMI 1.4 connector One VGA One 3.5mm audio out Unique Qualities Sync Technology AMD Mechanical Stand with FreeSyncTM Front/back tilt angle: -5° / 22° VESA Mounting Capability Yes, the ThinkCentre M Series measures 100 x 100 mm. Minimal assistance Yes, it is available for separate purchase. Yes, Kensington Lock Slot CCC Certification Yes EU 2002/95/EC, or RoHS Indeed. Windows Certification for the China Energy Efficiency Standard Tier 1