The most congenial clue of the MyBook range is the interior complementing design of imitating books in form factor. Following this intention, Western Digital introduced another sleek piece filling your bookshelf, the USB only Mirrored MyBook. A dual-drive unit featuring RAID 1 redundancy and speeding RAID 0 in an easy to use enclosure sporting Western Digital’s GreenPower technology enhanced hard-disks. A powerful redundant backup is a must-have in time of inflationary storage capacities.