WDStore offers its Western Digital My Book Essential 1TB USB External Hard Drive, model no. WDBAAU0010HBK-NESN, for $79.99. Coupon code "WDED69" drops it to $69.99. With free shipping, that's $0.07/GB and tied with last week's mention as the lowest total price we've seen since 2011. (It's a current price low by $74.) It features a maximum data transfer rate of 480Mb/s.