Save space and reduce clutter by sharing your monitor, keyboard and mouse with up to four computers. You can even connect one set of speakers and use them for all computers. Features a built-in USB 2.0 two-port hub for connecting shared peripherals, such as printers and scanners, between all computers. Hot-key switching provides instantaneous access. Operating system independent to work on both PC and Mac® with no drivers or software required. KVM all-in-one cables are included. Connector/Port/Interface: VGA; PS/2; USB; For Use With: VGA, USB or PS/2 PCs and Servers; Number of Ports: 4.