Transcend's StoreJet 25H3 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. With up to 4TB storage capacity, the StoreJet 25H3 eliminates all fears of running out of storage. Lightning-fast transfer speeds The StoreJet 25H3 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 25H3 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. Capacious storage The StoreJet 25H3 comes in high capacities of up to 4TB, so you can store and back up all of your files. Take this on-the-go storage solution with you and enjoy peace of mind! Two color options The StoreJet 25H3 comes in navy blue and purple. Pick your favorite color! One touch auto backup The StoreJet 25H3 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. *Transcend Elite software is required. Manage data with Transcend Elite A free download from Transcend’s official website, the Transcend Elite data management software is available for both Windows OS and macOS. Transcend Elite features backup and restore, data encryption, and cloud backup functions, helping you keep your important files organized, protected, and up-to-date! Guaranteed quality Transcend’s external hard drives are built to the highest standards and rigorously tested, offering outstanding quality, performance, and reliability. Transcend products both look after your data and complement your good taste.