Staples has the SimpleTech Signature Mini 2.5″ 500GB Portable USB 2.0 External Hard Drive in Espresso, model no. FS-U25/500E, for $69.99 (139.99 – 60 instant savings) with Free Shipping for a limited time. Sales tax is added where applicable. This drive runs at 5400 rpm and has an 8MB cache.