IOGEAR 2-Port Dual-Link DVI KVMP Switch with 7.1 Audio and Cables GCS1782 Share a high resolution monitor between 2 computers Maximum video resolutions: DVI-D dual link: 2560 x 1600; DVI-D single link: 1920 x 1200 Supports special monitors with 3840 x 2400 Share high speed USB peripherals such as printer, scanner and external hard drives between 2 computers Share a 7.1 surround sound system between 2 computers