Product information: DKVM-4K 4-port PS/2 KVM switchThe DKVM-4K 4-port KVM switch is a cost-effective KVM solution for office users and business. This switch allows you to easily control 4 different PCs from a single set of keyboard, mouse, and VGA monitor. The switch provides many easy to use features and is perfect for network administrators and business users. If you need to control several computers at the same time (such as in a computer room), the DKVM-4K saves you the money and space by allowing you to control you’re the computers from a set of keyboard, monitor and mouse. You may have a better, bigger monitor and want to connect all 4 PCs to it, the DKVM-4K allows you to do this.