Western Digital 500 GB My Book Premium ES Edition 500GB Black external hard drive

500 GB My Book Premium ES Edition External Hard Drive USB 2.0 & eSATA 3 Gb/s With both the popular USB 2.0 and the ultra-fast eSATA 3 Gb/s interfaces on board, the My Book Premium ES Edition external hard drive offers universal connectivity and unbeatable performance in one high-value package. Works with both Windows and Macintosh computers. Includes EMC Retrospect Express backup software.

Product Features Easy to set up, easy to use - Installation is a snap because you don't really "install" this drive, you just plug it in and it's ready to use. There is no CD to install; the included software loads from the drive the first time you plug it in.

Dual interface - USB 2.0 -- For convenience and compatibility among multiple computers, USB 2.0 is the way to go.
eSATA 3 Gb/s -- The ultra-fast eSATA interface gives you speed comparable to a state-of-the-art internal hard drive. This is the future of external storage made available today.

PC and Mac compatible - Works with both Windows 2000/XP and Mac® OS X 10.3 or later

EMC Retrospect Express backup software - Includes Easy-to-use EMC Retrospect Express backup software for Windows and Mac.

Capacity gauge - See at a glance how much space is available on your storage system. (Works with the USB connection only)

Intelligent drive management features - The My Book external drive turns itself on and off with your computer and Safe Shutdown™ prevents the drive from being powered down until all your data has been written. (Works with the USB connection only.)

Smart design - The elegant case, iconic of a book, takes up less space on your desk, stacks horizontally, and allows two or more drives to nestle neatly together like volumes on a shelf.

Free Google™ software - Search your drive, manage your photos, and simplify Web searches with included Google software. (Windows only).