Backup data on a faster hard disk with a monstrous capacity — Western Digital My Book Live 2 TB external hard drive. The portable Western Digital external hard drive has a high rotational speed, which boosts reading from and writing to the hard drive. This 2 TB Western Digital hard drive boots your OS faster, and loads applications much quicker. The Western Digital My Book Live 2 TB external hard drive’s ample cache memory and faster average seek time make for reduced power consumption, and generating lesser noise and vibrations. Connecting via a USB or an Ethernet port, this Western Digital external hard drive provides a very high data transfer rate. The Western Digital hard drive can be installed in — Windows-based, or Apple Macintosh — laptops as well as desktops.