The CS1768 8-port USB DVI KVM Switch is a control unit that allows access and control of up to 8 computers from a single USB keyboard, USB mouse, and dual-monitor (DVI-I and VGA) console. It can be cascaded to three levels allowing up to 73 CS1768s to control up to 512 computers all from the original single console. In addition, the CS1768 comes with ATEN's new Video DynaSync technology, which optimizes display resolution.