Visit Amazon site : http://www.amazon.com/gp/product/B0051UWG1K?tag=gallianostore-20<br /><br />IOGEAR 4-Port Dual-Link DVI KVMP Pro Switch - Black (GCS1204G)<br /><br />Maximum Video Resolutions - DVI-D Dual Link 2560 x 1600DVI-D Single Link 1920 x 1200 <br />Audio Support for 20 or 21 Audio <br />Supports High-End 3D Graphics <br />Compatible with Gaming Keyboards and Support Mac Keyboard and Special Keys <br />All Cables are Included <br />Asynchronous Hotkey Switching between KVM Focus USB Peripheral and Audio Ports
