Staples offers the Seagate 2TB Backup Plus USB 3.0 Portable Hard Drive in Blue, model no. STDR2000102, Silver, model no. STDR2000101, or Red, model no. STDR2000103, for $79.99 with free shipping. That's tied with our mention from last spring as the best price we've seen. (Aside from the mention below, it's a current low by $9.) This drive is compatible with Windows and Mac and features an 18" USB cable and pre-loaded backup software. Deal ends August 22.

A close price: Next Warehouse sells this drive in Red for $80.92 with free shipping.