Control up to 8 VGA and USB computers from a single keyboard, mouse and monitor Extracting the keyboard strokes from the USB connection this KVM enables hot key support for wireless keyboard and mouse combo kits that use a single USB 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 KVM Switch with OSD offers a dependable computer management tool that allows you to control up to 8 USB-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 added configuration options and 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, and 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 and free lifetime technical support. What?s in the box 8 Port USB KVM Switch Mounting Brackets Bag of Screws Pack Rubber Feet Universal Power Adapter (NA/UK/EU) User Manual