For its newsletter subscribers only, newegg offers the Hitachi 4TB Touro Desk USB 3.0 3.5" External Hard Drive, model no. 0S03503, for $169.99. Coupon code "EMCXLWT32" cuts it to $149.99. With free shipping, that's $0.04/GB, $3 below our mention from three weeks ago, and tied with our July mention as the lowest total price we've seen. (It's a current price low by $16.) It runs at 7200 rpm and features a 64MB cache. Coupon expires September 19.