Buy it on Amazon – http://goo.gl/6OkN8 (affiliate link). This is a review of the Western Digital My Book Studio Mac External Hard Drive. It’s geared to Mac owners and comes pre-formatted for Mac OS X. The build quality is better than other WD drives thanks to its aluminum enclosure. WD Part number WDBCPZ0030HAL-NESN
Disclosure: I am a member of the Amazon Vine program. I received this product for free through the program to review on their site.