Amazon offers the Seagate Backup 1TB USB 3.0 Portable Hard Drive in Black (pictured), model no. STBU1000100, for $69.99. Clip the $10 off coupon on the product page and it falls to $59.99. With free shipping ($0.06/GB), that's $10 below our mention from last month and the lowest total price we could find by $24. This drive is compatible with Windows and Mac and features a USB 3.0 adapter, 18" USB 2.0 / 3.0 cable, and pre-loaded backup software.

Meanwhile, for its newsletter subscribers, newegg offers the smaller Seagate Backup Plus 750GB USB 3.0 Portable Hard Drive, model no. STBU750100, for $69.99. Coupon code "EMCYTZT3972" makes it $49.99. With free shipping ($0.07/GB), that's the lowest total price we could find by $20.