The SV1631DUSBUK 16 Port 1U Rack Mount USB KVM Switch Kit with OSD and Cables offers a well-appointed KVM switch that includes all of the cables and accessories required to connect to 16 servers or PCs right out of the box, making setup convenient and simple.
Price: £523.18 from PC World Business
The SV831DVIU 8-Port 1U Rack Mount DVI USB KVM Switch lets you control up to 8 USB-connected computers (each with DVI or HDMI display output) from a single keyboard, mouse and monitor.
This 4-port USB KVM Switch lets you control multiple USB based computers from a single console (USB keyboard, USB mouse, monitor).
This 8 Port USB KVM Switch offers a dependable computer management tool that allows you to control up to 8 USB-connected computers from one keyboard, mouse and monitor.