Control up to 8 VGA & USB (Universal Serial Bus) computers from a single keyboard, mouse & monitor Extracting the keyboard strokes from the USB (Universal Serial Bus) connection this KVM enables hot key support for wireless keyboard & mouse combo kits that use a single USB (Universal Serial Bus) receiver Cascade configuration supported for one spot control of up to 64 computers Rugged, rack mountable 1U metal chassis is ideal for any environment The SV831DUSBU 8 Port 1U Rack Mount USB (Universal Serial Bus) KVM Switch with OSD offers a dependable computer management tool that means that you can control up to 8 USB (Universal Serial Bus)-connected computers from a single keyboard, mouse & monitor. The KVM switch offers maximum control, allowing you to switch computers using hotkey commands or front panel push-buttons, & offers added configuration options & convenience through an On Screen Display (OSD). A suitable addition to server room operations, the 8 port switch can be rack mounted into 1U of cabinet space, & can be cascaded with multiple KVM switches to deliver control of up to 64 computers from this single switch. Backed by a Star Tech.com 3-year warranty & free lifetime technical support. WhatÂ’s in the box 8 Port USB (Universal Serial Bus) KVM Switch Mounting Brackets Bag of Screws Pack Rubber Feet Universal Power Adapter (NA/UK/EU) User Manual