StarTech.com Dual DVI USB KVM Switch with Audio - KVM / audio / USB switch - USB - 4 ports - 1 local user Take full advantage of Dual head video cards by switching up to four machines across two high resolution DVI monitors Integrated USB 2.0 hub and Mic/Audio switching allows the user to have full multimedia control of two computers and share USB peripherals eliminating the expense of duplicate devices Absolutely no software or drivers required providing a completely OS independent KVM solution High Resolution support, up to 2048 x 1536 (analog) / 1920 x 1200 (digital) OS Independent  No software/drivers required USB 2.0 hub for peripheral sharing Supports VESA DDC2B emulation and TMDS signal pass-through Solid metal casing for maximum durability