Sunix VGA2795 will provide the ultimate 4K experience for your Mac or Windows PCs via USB port.

VGA2795 (USB 3.0 to DisplayPort Graphics Adapter)

Our VGA2795 will easily output to DisplayPort enabled monitors or TVs from any USB 3.0 or 3.1 source.  It supports Extend, Mirror & Rotation modes.  You may connect up to six (6) VGA2795 to setup a display wall that fits your applications.