Staples offers the Toshiba Canvio 1TB Portable USB 3.0 External Hard Drive, model no. HDTC610XS3B1, for $62.99. Coupon code "86069" drops it to $47.99. With free shipping, that's $0.05/GB, $15 under our mention from earlier today, and the lowest total price we've seen. The enclosed 2.5" hard drive features an 8MB cache and up to 5Gb/s transfer rate.