Staples offers the Toshiba 1TB Canvio Portable USB 3.0 External Hard Drive in Black, model no. HDTB310XK3AA, for $39.99. Plus, Staples Rewards members bag free shipping. (Not a member? It's free to join.) That's $10 under our March mention and the lowest total price we could find now by $10. It runs at 5400 rpm and features an 8MB cache.