StarTech.com 4-to-1 USB 2.0 Peripheral Sharing Switch (USB421HS) Share a high speed USB 2.0 device with up to 4 computers and easily switch between them through push-buttons, keyboard hot-key commands, or software A compact desktop form factor and no external power requirement makes for an easy to use and portable data switch Backed by a StarTech.com 1-year warranty and free lifetime technical support Push-button, hot-key controls or software for switching between computers Compliant with the USB 2.0 standard, with data transfer rates up to 480Mbps Powered directly from the USB port Compact desktop form factor design Plug-and-Play compatible