The Master-IT UR-14-KIT is a 4-Port USB KVM switch and Hub peripheral sharing device packaged with four sets of 6 ft. Premium 2-in-1 cables. It features the ability to access up to 4 USB computers with a single USB keyboard, USB mouse, and Monitor. The USB Hub allows you to share two additional peripherals among the connected computers. An optional rack-mount kit is available for installation in a standard 19" rack enclosure. It's dynamic capabilities as a USB KVM switch and USB Hub have made it a favorite amongst SOHO and Industrial users, as well as IT professionals.