Model U3223QZ , 31.5" , Business/4K , Panel IPS , Resolution 3840x2160 , Brightness 400 , Contrast 2000:1 , Dynamic contrast (DCR) 2000:1 , Display Matte , Response time 8 ms , Horizontal 178 degrees , Vertical 178 degrees , Displayable colours 1070 million , 1xHDMI , 2xDisplayPort , 5xUSB 3.2 , 3xUSB-C , 1xHeadphones jack , 1xRJ45 , Speakers , Camera , Swivel , Height adjustable , Tilt , 100 mm x 100 mm , Kensington lock