The Syba SY-ENC25063 delivers optimal performance with a USB 3.0 connection (A USB 3.0 cable is included). The USB 3.0 port delivers blazing-fast data transfer rates, letting you transfer a large amount of data in seconds. It's also backward compatible with USB 2.0 specification. With support for UASP (USB Attached SCSI Protocol), the USB 3.0 port performs faster than conventional USB 3.0 when paired with a UASP-enabled host controller. The built-in LED indicator monitors the reading movements of the hard disk driver, eliminating guesswork. Plus, the stylish, pocket-sized enclosure case is ready to go with you anywhere.