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 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 Video DynaSync technology, which optimizes display resolution.