Staples offers the Toshiba Canvio 3.0 1TB Portable USB 3.0 External Hard Drive, model no. HDTC610XS3B1, for $69.99. Coupon code "16570" cuts it to $64.99. With free shipping, that's $0.06/GB and the lowest total price we could find by $20. Sales tax is added where applicable. This enclosed 2.5" hard drive features an 8MB cache and up to 5Gb/s transfer rate. Offer ends November 26.