Buydig via eBay offers the Western Digital 2TB Elements USB 3.0 Portable External Hard Drive, model no. WDBU6Y0020BBK-NESN, for $79.99 with free shipping. That's tied with our mention from two weeks ago and the lowest total price we could find now by $16. It features a data transfer rate of 5Gbps and backwards compatibility with USB 2.0. Deal expires October 10 at 3:29 pm ET.