The Omni View PRO3 USB (Universal Serial Bus) & PS/2 KVM Switch provides easy & dependable server control with extraordinary performance. The Switch enables network administrators to monitor & control up to four, eight, or 16 USB (Universal Serial Bus)- & PS/2-platform servers from a single console. The PRO Series KVM Switches are the industry's most popular for small to medium server rooms, branch locations, & test & development labs. Designed to grow along with your server network, the Switch can be daisy-chained together using dedicated daisy-chain ports with other Omni View PRO Series or SMB KVM Switches to support up to 256 servers.