The GCS1204 is 4-port Dual Link DVI KVMP switch with stereo audio ports and an integrated 2-port USB 2.0 hub. Now, users can control up to four computers and share multiple USB peripherals from a single keyboard, monitor, and mouse console. Additionally, the patented asynchronous switching allows the user to independently switch applications between the connected computers. You can run one application on one computer while running another application on the other. Setup is fast and easy; simply plug the cables into their appropriate ports. There is no software to configure or install.