Buy.com via eBay offers the Western Digital 2TB My Passport Portable USB 3.0 External Hard Drive in Black, model no. WDBMWV0020BBK-NESN, for $79.99 with free shipping. That's the lowest total price we could find by $14, although we saw it for $10 less last month. It features password protection, cloud backup, and hardware encryption. Deal ends February 2 at 11 am ET.