MT-VIKI 460KL, VGA KVM switch 4 ports with 3 USB hub allows 4 computers to share one set of monitor, keyboard, mouse and printer/U disk for video or data. 4 KVM Cables are included: VGA and USB cable are 2 in 1. The USB connector works as power supply and data transfer. Important NOTE: please plug the VGA with USB head to computer. HD Display Output: Supports HD image/video up to 1920 x 1440 resolution (including 1080P 720P 480P). Support DDC and Automatic Identification high quality output.