The CS1644 USB 2.0 DVI Dual View KVMP Switch charts a revolutionary new direction in KVM switch functionality by combining a 4-port KVM switch with a 2-port USB 2.0 hub at the same time as providing dual-screen support for two DVI displays , making it ideal for graphic designers, banking and finance consultants, medical applications, and gamers. The CS1644 also supports 2.1 channel surround sound to give a theater digital audio experience that enlivens video playback.