Control up to 8 USB computers with DVI or HDMI video, from one keyboard, mouse and monitor. The SV831DVIU 8-Port 1U Rack Mount DVI USB KVM Switch lets you control up to 8 USB-connected computers (each with DVI or HDMI display output) from a single keyboard, mouse and monitor. The KVM switch offers maximum control, allowing you to switch computers using hot-key commands or front panel push-buttons. Supporting digital resolutions up to 1920x1200 via DVI or HDMI connection (using DVI to HDMI adapter), the KVM provides the high resolutions recommended for newer displays, allowing you to take full advantage of your monitor/screen capability. A perfect addition to any server room or software test lab, this rugged 8-port switch can be rack-mounted into 1U of cabinet space. This KVM supports digital signals only, and cannot be used with DVI-to-VGA adapters.