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 1920×1200 via DVI or HDMI connection (using DVI to HDMI adapter – see accessories), 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. Backed by a StarTech.com 3-year warranty and free lifetime technical support. Note: This KVM supports digital signals only, and cannot be used with DVI-to-VGA adapters. The StarTech.com Advantage – High-resolution 1920×1200 DVI connections support control of DVI systems or HDMI systems (with adapter) – Supports wireless and combo style mouse and keyboard sets for added flexibility – Rugged, solid steel rack-mountable case offers durability even in harsh environments