G-Technology G-DRIVE mobile w/Thunderbolt USB 3.0 1 TB 0G03040 + Accessory Kit Ultra-fast Thunderbolt and USB 3.0 data transfer 7200RPM hard drives - up to 136 MB/s Bus-powered hub eliminates the need for a separate power connection Solid aluminum case, ultra-stylish profile makes for easy portability Up to 1TB storage capacity handles documents, music, digital video and photo