. Star Tech.com 2 Port Quad Monitor Dual-Link DVI USB (Universal Serial Bus) KVM Switch with Audio and; Hub. The SV231QDVIUA 2-Port Quad Monitor Dual-Link DVI USB (Universal Serial Bus) KVM Switch allows 2 PCs each with 4 DVI video outputs to share monitors 1 microphone & set of speakers 1 keyboard & 1 mouse as well as an additional USB (Universal Serial Bus) 2.0 peripheral such as an external hard drive thumb drive printer or webcam. The Quad DVI KVM switch means that you can switch back & forth between 2 multi DVI PCs at the touch of a button while maintaining professional-level video quality on all monitors at resolutions up to 2560x 1600. The quad DVI switch also features an integrated USB (Universal Serial Bus) hub port that allows USB (Universal Serial Bus) 2.0 peripherals to be shared between attached systems
- eliminating duplicate peripheral costs & offering the convenience of sharing stored data between PCs. Backed by a Star Tech.com 3-year warranty & free lifetime technical support.PLEASE NOTE While both DVI-I (analog mode) & DVI-D (digital only) are supported by the KVM both source PCs must output the same signal type for proper switching. It is recommended wherever possible to use DVI-D cables across all PC to KVM & KVM to Console connections. Please contact technical support for assistance identifying your source The Star Tech.com Advantage Dual-link DVI supports extraordinary beyond high definition resolutions of 2560x 1600 on each of the 4 connected monitors for maximum screen real estate Integrated USB (Universal Serial Bus) 2.0 hub & Mic/ Audio ports allow the user to have full multimedia control of two computers & share USB (Universal Serial Bus) peripherals The only 4 monitor high definition DVI KVM with USB (Universal Serial Bus) support.