Aten Desktop KVMP Switch 4 Port Single Display DVI w/ 7.1 audio, 4x Custom KVM Cables Included, 2x USB Port, Selection Via Front Panel The CS1784A USB DVI Dual Link KVMP™ Switch charts a revolutionary direction in KVM switch functionality. It combines the capabilities of a 4-port KVM switch with a 2-Port USB hub, while providing a DVI monitor interface and audio support. Moreover it carries advanced features, such as nVidia 3D Vision ready 120Hz 3D display support, gaming keyboard compatibility and port selection/switching using a mouse, aimed at giving you flexibility, convenience and enjoyment. 4-port DVI KVMP Switch with USB 2.0 and 2.1 Surround Sound Audio One USB console controls four computers and two additional USB devices 2-port built in USB 2.0 hub fully compliant with the USB 2.0 specification Full bass response for high quality 2.1 channel surround sound systems Computer selection via front panel pushbuttons, hotkeys, and mouse NEW! Multiplatform support – Windows, Linux, Mac, and Sun* Independent switching of KVM, USB, and Audio focus DVI digital and analog monitor support – fully compliant with the DVI specifications Superior video quality: 1920 x 1200 @ 60Hz (Single Link); 2560 x 1600 @ 60Hz (Dual Link) nVidia 3D Vision Ready: Works with 120Hz LCD monitors and active shutter glasses to create a 3D environment with maximum resolution of up to 1920 x 1080 HDCP compatible Support widescreen resolutions Video DynaSync™ – Exclusive ATEN technology that eliminates boot-up display problems and optimizes resolution when switching between ports