Control up to 8 USB or PS/2-connected computers from one keyboard, mouse and monitor Cascade configuration adds scalability and offers support for control of up to 56 computers Rugged, solid steel rack-mountable case offers durability even in harsh environments Absolutely no software or drivers required providing a completely OS independent KVM solution The SV831DUSBGB 8 Port 1U Rack Mount USB PS/2 KVM Switch with OSD offers a dependable computer management tool that allows you to control up to 8 USB or PS/2 connected computers from a single keyboard, mouse and monitor. The KVM switch offers maximum control, allowing you to switch computers using hotkey commands or front panel push-buttons, and offers the added convenience of an On Screen Display to quickly access configuration options. A suitable addition to server room operations, the 8 port switch can be rack-mounted into 1U of cabinet space, and can be cascaded with multiple KVM switches to deliver control of up to 56 computers from this single switch. This high quality USB PS/2 KVM Switch is backed by a StarTech.com 3-year warranty and free lifetime technical support. What’s in the box StarView 8 Port KVM Switch Mounting Brackets(16/8 port only) PS/2 keyboard and mouse Y cable (16/8 port only) EU Power Adapter UK Power Adapter User Manual