ViewSonic 27-inch Professional Monitor (VP2768) - Resolution: WQHD 2560 x 1440, Contrast Ratio: 1000:1 (Typ), 700:1 (Min), Aspect Ratio: 16:9, Response Time: GTG(AVG):14 ms (Typ); 5 ms (With Scalar OD), Brightness: 350 cd/m2 (Typ)/280 cd/m2 (min), Refresh Rate: 60, Connectivity: 1 x DisplayPort 1.2a, 1 x Display Port Out, 1 x Mini DP 1.2a, 2 x HDMI1.4, Audio Out: 1 x 3.5mm Audio out (Earphone), 1 x USB3.0 Type B female, 4 x USB3.0 Type B female Type A, Compatibility: PC: PC Compatibles (2560 x 1440 HDMI/DisplayPort Non-Interlaced), Mac: Power Mac (up to 2560 x1440 HDMI/DisplayPort), Wall Mountable: VESA: 100mm x 100mm