ATEN 4-Port Dual Video Dual Link DVI KVMP Switch with Audio Support and cables CS1644 (Black) Maximum resolution  2560x1600 (DVI Dual Link); 1920x1200 (DVI Single Link) 4-port DVI Dual View KVMP switch with USB 2.0 and 2.1 channel audio Auto Scan Mode for monitoring all computers Multiplatform support  Windows 2000/XP/Vista, Linux*, Mac Multiplatform support  Windows 2000/XP/Vista, Linux*, Mac