The CS74D 4-Port USB DVI KVM Switch allows you to control four computers using one USB mouse, USB keyboard and Digital Visual Interface (DVI) monitor console. It supports digital video devices, such as fl at panel displays, data projectors, plasma displays and digital TVs. The CS74D comes with ATEN’s Video DynaSync™ technology, which eliminates boot-up display problems and optimizes resolution; it carries several convenient features, such as Power On Detection, 2.1 channel audio capability and USB2.0 peripheral sharing, as well as provides quick and easy methods to access computers.