Mediasonic HDK-SU3 ProBox SuperSpeed External Hard Drive Enclosure can instantly convert your 2.5" SATA hard disk drive to an external drive and provides a portable plug-and-play solution for both PC and Mac. The transfer rate is up to 5 Gbps via USB 3.0 and 480 Mbps via USB 2.0 connection. The external drive provides the portable storage space for your music, photo, video, and data file.