Led monitor screen size 27 inches max resolution 2 560 x 1 440 pixel lcd technology ips response time 4 ms aspect ratio 169 contrast ratio typical 1 0001 brightness 350 cdm widescreen dot pitch 0 2331 mm viewing angle 178178 horizontal frequency range 30 89 khz vertical frequency range 50 76 hz number of hdmi inputs 1 number of displayport inputs 1 usb 20 ports 3 outputs headphone jack integrated features usb hub speakers ergono