Western Digital today shipped its fastest My Book external hard drive, featuring the USB 3.0 interface, which is 10 times faster than the previous-generation USB 2.0 interface. According t the company, the "SuperSpeed" USB 3.0 interface on My Book 3.0 drives provides transfer rates of up to 5 gigabits-per-second, allowing users to open and save files up to 4.7 times faster than USB 2.0. In addition, the drive is compliant with the USB-IF SuperSpeed USB 3.0 standard to provide compatibility with other USB 3.0, USB 2.0 products, and USB 1.1 products.