G-DRIVE mobile with Thunderbolt - stylish portable storage for laptop users featuring ultra-fast Thunderbolt and USB 3.0 interfaces. G-Technology combines 1TB capacity and a 7200RPM hard drive, together with Time Machine compatibility for quick backup of documents, music, digital video and photos. Also the G-DRIVE mobile with Thunderbolt is bus powered, and that means when you're on your way out, you don't need to add an external AC power supply to your laptop case. Features include: 136MB/s transfer rate · compatible with Mac or Windows · 3-year limited warranty. Included is a free 1-year account with Gobbler - a cloud-based storage and transfer system that is optimized for digital audio creators. A $100 value. Check it out at www.Gobbler.com.