BuyDig offers the Western Digital 1TB My Passport Portable USB 3.0 External Hard Drive in Black, model no. WDBBEP0010BBK-NESN, for $79 with free shipping ($0.08/GB). That's $1 under last week's mention and the lowest total price we've seen. (It's a current price low by $10, outside of the price below.) It features password protection and hardware encryption.

A close price: B&H has it for $79.99 with free shipping.