The CS1764A KVM Switch charts a revolutionary new direction in KVM (Keyboard, Video, Mouse) switch functionality by combining a 4 port KVM switch with a 2 port USB 2.0 hub at the same time as it provides an interface for a digital monitor (DVI). In addition, the CS1764A comes with ATEN's new Video DynaSync technology. More from the Manufacturer HDCP compliant DVI digital and analog monitor support - fully compliant with the DVI specifications Independent switching of KVM, USB, and Audio focus Superior video quality - 1920 x 1200, 60Hz; DDC2B Multiplatform support - Windows, Linux, Mac and Sun Audio enabled - full bass response provides a rich experience for 2.1 channel surround sound systems Computer selection via front panel pushbuttons and hotkeys 2-port USB 2.0 hub built in Fully compliant with the USB 2.0 specification One USB console controls four DVI computers and two additional USB 2.0 devices