2PT High Res USB DVI DualLink KVM Switch The SV231DVIUAHR 2-Port High Resolution Dual-Link DVI USB KVM Switch provides simple, yet comprehensive control of 2 directly-connected computers, as well as audio switching capability and support for high resolution applications (supports resolutions beyond 1080p: 2560x1600 @ 60Hz, up to 3840 x 2400 at lower refresh rates), offering a superior KVM switching solution that integrates perfectly into demanding imaging, medical, and multimedia environments. This 2-port DVI USB KVM Switch is compatible with all USB-supported operating systems, and features a built-in USB 2. 0 hub that allows you to share additional (up to 2) high speed USB devices between computers. This product is TAA compliant and backed by a Startech. com 3-year warranty with free lifetime technical support.