16 Port 1U Rack Mount USB OSD KVM Switch The SV1631DUSBU 16 Port 1U Rack Mountable USB KVM Switch with OSD lets you control 16 USB computers from a single console (USB keyboard, USB mouse, VGA monitor). Convenient push-button and hot-key controls provide quick, reliable switching between connected computers while manual and auto-scan switching modes and an On Screen Display (OSD) offer additional control options. Designed to ensure maximum space efficiency, the USB KVM switch features a slim 1U design that fits neatly into a server equipment rack/cabinet with the included brackets, and can be cascaded with multiple KVM switches to deliver control of up to 136 computers from this single switch. Rear cable connections help to eliminate cable tangles and minimize workspace disruption. This product is TAA compliant and backed by a Startech. com 3-year warranty with free lifetime technical support. The SV1631DUSBU 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 Cable6 ft Ultra Thin USB VGA 2-in-1 KVM Cable10 ft Ultra Thin USB VGA 2-in-1 KVM Cable15 ft Ultra Thin USB VGA 2-in-1 KVM Cable