. Star Tech.com 2 Port 2-to-1 USB (Universal Serial Bus) 3.0 Peripheral Sharing Switch – USB (Universal Serial Bus) Powered. The USB221SS 2-to-1 USB (Universal Serial Bus) 3.0 Peripheral Sharing Switch lets you share a single USB (Universal Serial Bus) 3.0 peripheral with 2 different computer systems avoiding the cost of purchasing duplicate peripherals or the hassle of swapping cables from one system to another. The USB (Universal Serial Bus) sharing switch delivers speed & flexibility with simple push-button controls for switching between computers & support for Super Speed USB (Universal Serial Bus) bandwidth (up to 5 Gbps) ensuring fast data transfers to/from your shared peripheral device. The switch is also backward compatible with USB (Universal Serial Bus) 2.0/1.1 (480 Mbps 12 Mbps respectively) so you don't have to worry about your computer or older peripherals not performing. The 2-port USB (Universal Serial Bus) switch can also be connected to a USB (Universal Serial Bus) hub to expand the number of devices you can share between the two connected systems or to a USB (Universal Serial Bus) drive enclosure or docking station for a shared external storage solution. The switch features a compact design that takes up minimal desk space & is USB (Universal Serial Bus)-powered so it doesn't require an AC wall outlet. Backed by a Star Tech.com 2-year warranty & free lifetime technical support The Star Tech.com Advantage Reduce operating costs by sharing peripheral devices Save time with Super Speed USB (Universal Serial Bus) 3.0 data transfer rates Push-button operation for simple switching.