AOC U2879VF 28&rdquo;Class LED 4K Monitor 3840x2160, 300cd/m2, 10Bit Color, FreeSync, VGA, DVI, HDMI, DP 28" Class (28" viewable) TN Panel, 3840 x 2160 Resolution, 16:9 Aspect Ratio 300 cd/m2 Brightness, 60hz Refresh Rate, 1ms Response Time, 20M:1 DCR Connectivity- VGA,DVI,HDMI, Display Port AMD FreeSync Technology, Extra Narrow Bezel