StoreJet 25M3 Transcend's StoreJet 25M3 ruggedized external hard drive combines supreme shock-resistant qualities with the USB 3.1 Gen 1 interface, allowing for ultra-fast file transfers and the highest level of anti-shock protection. Lightning-fast transfer speeds The StoreJet 25M3 external hard drive is equipped with the USB 3.1 Gen 1 interface, providing lightning-fast transfer rates of up to 5Gbps. Excellent anti-shock protection The StoreJet 25M3 features a three-stage shock protection system that meets US military drop-test standards to fully protect data stored on the drive. The three-stage shock protection system includes a silicone rubber case, an internal shock-absorbing suspension damper, and a reinforced hard casing. One touch auto backup The StoreJet 25M3 is equipped with a one touch auto-backup button that instantly backs up your data with just one press*. The button also enables you to reconnect the hard drive to your PC without the need to unplug and reinsert it.