The SV231DVIUAHR 2-Port High Resolution Dual-Link DVI USB (Universal Serial Bus) KVM Switch provides simple, yet comprehensive control of 2 directly-connected computers, as well as audio switching capability & support for high resolution applications (supports resolutions beyond 1080p: 2560x 1600 @ 60 Hz, up to 3840 x 2400 at lower refresh rates, & Apple Cinema quality resolutions), offering a superior KVM switching solution that integrates perfectly into demanding imaging, medical, & multimedia environments. This 2-port DVI USB (Universal Serial Bus) KVM Switch is compatible with all USB (Universal Serial Bus)-supported operating systems, & features a built-in USB (Universal Serial Bus) 2.0 hub that means that you can share additional (up to 2) high speed USB (Universal Serial Bus) devices between computers.