Aluratek AKSUP04D - 4 Port USB 2.0 DVI KVM Switch With Cables Easily switch between up to 4 computers using your single keyboard, mouse and monitor Port selection through Pushbutton and Hotkeys Supports video resolution up to 1600 x 1200 @85Hz Hi-Speed USB 2.0 Peripheral Sharing Support Plug-n-Play, no software needed