Control up to 16 USB or PS/2-connected computers from one keyboard, mouse and monitor Cascade configuration adds scalability and offers support for control of up to 136 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 SV1631DUSBGB 16 Port 1U Rack Mount USB PS/2 KVM Switch with OSD offers a dependable computer management tool that allows you to control up to 16 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 16 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 136 computers from this single switch. This high quality USB PS/2 KVM Switch is backed by a Star Tech. com 3-year warranty and free lifetime technical support. What?s in the box 16 Port KVM Switch Mounting Brackets PS/2 keyboard and mouse Y cable Power Adapter User Manual