27 " , 2560 x 1440 pixels , Wide Quad HD , 16:9 , LCD , Rapid IPS , 0.5 ms , Flat , Contrast 1200:1 , Maximum refresh rate 200 Hz , Pixel pitch 0.2331 x 0.2331 mm , 2xHDMI ports quantity , 1xDisplayPorts quantity , Headphone out Yes , VESA Yes , Energy efficiency class F