TigerDirect offers the Seagate Backup Plus 1TB Portable USB 3.0 External Hard Drive in Black, model no. STBU1000100, for $79.99. This $20 mail-in rebate cuts it to $59.99. With $3.69 for shipping, that's $0.06/GB, $6 under our mention from five days ago, and the lowest total price we've seen for this drive. (It's a current price low by $16.) Deal ends March 17.