Targus Armor ACH114AP-52 4-Port Powered USB Hub 2.0 (Black) Designed to work with PC, Mac and Netbook computers; Windows® 8, 7, Vista, XP, Mac OS X v10.8, Mac OS X v10.7. A compact design makes it easy to transport anywhere. Turns one USB port into four with one open port. Designed to support up to four(4) USB devices. Using USB 2.0 this hub is capable of transferring files at a rate up to 60MB / sec Conveniently connects to most laptops and desktop computers with a bundled USB 2.0 cable. 1 Year Limited Warranty