The SV831DUSBU 8 Port 1U Rack Mount USB KVM Switch with OSD offers a dependable computer management tool that allows you to control up to 8 USB-connected computers from a single keyboard, mouse and monitor. The KVM switch offers maximum control, allowing you to switch computers using hotkey commands or front panel push-buttons, and offers added configuration options and convenience through an On Screen Display (OSD). A suitable addition to server room operations, the 8 port switch can be rack mounted into 1U of cabinet space, and can be cascaded with multiple KVM switches to deliver control of up to 64 computers from this single switch. The SV831DUSBU only works with specific 2-in-1 VGA and USB cables (sold separately), a list of StarTech.com approved cables are below: 6 ft Ultra Thin USB VGA 2-in-1 KVM Cable 6 ft Ultra Thin USB VGA 2-in-1 KVM Cable 10 ft Ultra Thin USB VGA 2-in-1 KVM Cable 15 ft Ultra Thin USB VGA 2-in-1 KVM Cable This product is TAA compliant and backed by a Startech.com 3-year warranty with free lifetime technical support.