Staples offers the Western Digital 1.5TB My Passport Portable USB 3.0 External Hard Drive, model no. WDBY8L0015BBK-NESN, for $79.99 with free shipping ($0.05/GB). That's $3 under last month's mention and the best price we've seen for this HDD. (It's a current price low by $10.) It features a data transfer rate of up to 5Gbps. Deal ends August 23.