Dell S2719DGF 27-inch QHD 155 Hz LED Gaming Monitor (210-AQVP) - Aspect Ratio: 16:9, Resolution: QHD 2560 x 1440, Response Time: 1ms, Contrast Ratio: 1000:1, Dynamic Contrast Ratio: 8000000:1, Brightness: 350 cd/m, Refresh Rate: Up to 155Hz (Overclock with DisplayPort), Up to 144Hz (Native with HDMI 2/ DP), Up to 60Hz (Native with HDMI1), AMD FreeSync, Connectivity: 2 x HDMI (HDCP), 1 x DisplayPort (DisplayPort 1.2 mode), 4 x USB 3.0 Downstream, 1 x USB 3.0 Upstream, Audio line-in, Audio line-out, Adjustability: Height, Swivel, Tilt, Pivot, Wall Mountable: VESA (100 x 100mm)