TigerDirect via eBay offers the Toshiba Canvio Basics 500GB Portable USB 3.0 External Hard Drive, model no. HDTB105XK3AA, for $49.99 with free shipping ($0.10/GB). That's $5 under our mention from last month and the lowest total price we've ever seen for this hard drive. (It's a current low by $5.) It runs at 5400 rpm and features an 8MB cache.