C2G/Cables to Go 35568 Trulink 4-Port VGA/USB 2.0 KVM Switch with Audio Supports video resolutions up to 2048 x 1536 pixels. Supports Microsoft Windows (98, 98SE, 2000, ME, XP, Vista,7), Mac OS 9/X, Linux, and Sun Micro OS Features autoscan and auto switch Offers over current protection Compatible with USB 2.0 specification