ATEN 4 Port USB DVI Dual Link Display/Audio KVMP Switch

One dual-screen USB console controls two/four dual-screen computers and two additional USB devices Multi-View Display – Easily connect two CS1642A/1644A's units for a second dual-screen setup controlled through a single connection Superior video quality – 2560 x 1600 at 60Hz (DVI Dual link); and 3D displays up to 1920 x 1200 at 120Hz (DVI Single link) Supports widescreen resolutions Independent switching of KVM, USB, and Audio focus