Model S27A800NMP , 27" , Business/4K , Panel IPS , Resolution 3840x2160 , Form factor 16:9 , Refresh rate 60 Hz , Brightness 300 , Contrast 1000:1 , Response time 5 ms , Horizontal 178 degrees , Vertical 178 degrees , Displayable colours 1070 million , 1xHDMI , 1xDisplayPort , 1xUSB 2.0 , 3xUSB 3.0 , Swivel , Pivot , Height adjustable , Tilt , PSU Inbuilt , 100 mm x 100 mm , Kensington lock , Colour Black