Amazon is selling the Western Digital My Book Essential 3TB USB 3.0 External Hard Drive for only $169.99 shipped, originally priced at $249.99. When “connected to a SuperSpeed USB 3.0 port this drive lets you access and save files up to 3 times faster than USB 2.0; transfer a 2-hour HD movie in just 3 minutes instead of 13 minutes.” Product page.

My Book external drives are designed to save energy. WD GreenPower Technology lowers internal drive power consumption by up to 30%; a sleep mode reduces power during idle times, and a power-saving feature turns the drive on and off with your computer.

[via Amazon]