Transcend Storejet 500GB Portable USB 3.0 Hard Disk (TS500GSJ25H3P) SuperSpeed USB 3.0 compliant and backwards compatible with USB 2.0 Durable anti-shock silicone outer shell Advanced internal hard drive suspension system Connection bandwidth up to 5Gbits per second Easy Plug and Play operation - no drivers required USB powered - no external adapter necessary One Touch Auto-Backup button Three-year Limited Warranty