Offers USB 3.0 superspeed connectivity and is also backward compatible to 2.0 and 1.0. Bus-powered with included cable, so no external power supply is required. Includes ArcSoft Total Media Backup software for scheduling, customizing and automating data transfers. Drive Type: Portable Hard Drive; Maximum Native Data Capacity: 1 TB; Connector/Port/Interface: USB 3.0; Transfer Rate: 4.8 Gbps.