The Transcend 1TB USB 3.0 StoreJet 25M3 Portable Hard Drive allows users to enjoy ultra-fast file transfers and the highest level of anti-shock protection. High storage capacity and a convenient auto-backup button. It is SuperSpeed USB 3.0 compliant and backwards compatible with USB 2.0. It has a three stage shock protection system and includes anti-shock rubber outer case. Free download of Transcend Elite & RecoveRx software. Additional features include: connection bandwidth up to 5Gbits per second USB powered power saving sleep mode plus more.