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: 2560×1600 @ 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. Backed by a StarTech.com 3-year warranty and free lifetime technical support. The StarTech.com Advantage – Dual Link DVI interface supports high resolutions of up to 2560×1600 allowing you to take full advantage of your graphics card capabilities – USB 2.0 hub provides the convenience of sharing USB peripherals (external hard drive, webcam, etc.) between computers and saves the cost of purchasing duplicate peripherals – Rugged solid steel features durable design for long-lasting performance, even in harsh environments