Transcend's rugged StoreJet 25M3 portable hard drive combines superior shock-resistant features with USB 3.1 Gen 1 interface for ultra-fast file transfers and the highest level of shock protection.The StoreJet 25M3 portable hard drive is designed with durability in mind, so you can store and share it anywhere. Two color options, iron gray and military green, provide a stylish, trendy storage experience.The StoreJet 25M3 features a three-stage shock protection system that has passed the U.S. military transit drop test MIL-STD-810G to fully protect data stored on the drive. The three-stage shock protection system includes a silicone rubber enclosure, an internal shock-absorbing suspension damper, and a reinforced hard case.The StoreJet 25M3 portable hard drive uses a USB Type-A connector that has undergone 10K plug-unplug testing. High durability means added protection for your files.The StoreJet 25M3 portable hard drive features the USB 3.1 Gen 1 interface and offers lightning-fast transfer rates of up to 5 Gbps.