Gaming monitor led monitor 3d monitor series asus pg serie screen size 27 inches max resolution 2 560 x 1 440 pixel lcd technology tn response time 1 ms aspect ratio 169 contrast ratio dynamic 100 000 0001 contrast ratio typical 1 0001 brightness 350 cdm refresh rates 120 144 60 hz widescreen dot pitch 0 234 mm viewing angle 178178 pixel density 10879 ppi hdcp enabled display settings game mode horizontal frequency range 89 222