The d link dkvm 4u kvm switch allows you to control up to 4 pcs using only one monitor keyboard and mouse the monitor and the two input devices are connected directly to this kvm switch and not to the client computers the dkvm 4u is also a cost effective solution for control of several servers in a computer room allowing an engineer to handily manipulate all connected computers from a single monitor keyboard and mouse each kvm cable set includes a video cable for pcs vga connector and a