The Western Digital MyBook Essential Edition external hard drive is a slightly pared-down version of the MyBook Premium Edition. It's a good option if you need additional storage without backup software.
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Shop for Western Digital My Book Essential Edition 160GB External Hard Drive
The Western Digital MyBook Essential Edition is a pared-down version of the MyBook Premium Edition that we reviewed. Available in sizes from 80GB to 500GB, this external hard drive features the same exterior design as the Premium Edition. It also uses the same 7,200rpm hard disk drive, so we expect the performance to be on a par with that of the Premium Edition. The Essential Edition drive has only a USB 2.0 connection (the Premium Edition can also connect via FireWire) and doesn't come with the EMC Dantz Retrospect software that ships on the Premium Edition. Also, the capacity meter on the "spine" of the drive glows green instead of blue.