One plus one is greater than two. Transcend`s StoreJet 25M3 portable hard drive combines the advantages of Transcend`s shockproof StoreJet M series and the next-generation SuperSpeed transfer rates of USB 3.0, allowing users to enjoy ultra-fast file transfers and the high level of anti-shock protection.Besides its outstanding combination of super fast transfer speeds and extra-rugged anti-shock design, the StoreJet 25M3 is equipped with an extremely convenient one touch auto-backup button. Now you can instantly backup, synchronize and copy large files without having to waste precious time waiting for the transfer to complete.    Transcend StoreJet 25M3    Hard drive    1 TB    external ( portable )    2.5\"    USB 3.0    5400 rpm    buffer: 8 MB