BuyDig via eBay offers the Western Digital 2TB My Passport 2.5" Portable USB 3.0 External Hard Drive, model no. WDBY8L0020BBK-NESN, for $119 with free shipping ($0.06/GB). That's the lowest total price we could find by $20, although we saw it for $9 less in April. It features password protection and hardware encryption.