A control unit that allows access and control of up to 8 computers from a single USB keyboard, USB mouse, and either a DVI or VGA monitor console. It can be cascaded to three levels - allowing up to 73 GCS1208s to control up to 512 computer, all from the original single console. In addition, GCS1208 comes with IOGEARs Video DynaSync, technology to optimize the display resolution.