This is our fastest external drive ever! The winning combination of a USB 3.0 interface and our high-performance hard drives boosts read and write speeds to levels never seen before. See the performance charts below. SuperSpeed USB 3.0 transfers data at 5 gigabit per second. That's up to 10 times faster than USB 2.0. Read and save files faster. With lightning fast USB 3.0 you don't have to wait for the technology to keep up with your ideas. This drive's sleek, book-like shape takes up minimal space on your desk and allows two or more My Book drives to nestle neatly together like volumes on a shelf. Capacities: 2 TB and 1 TB.