A DealNews exclusive! Western Digital Store cuts 20% off a selection of its refurbished external hard drives via coupon code "DNAUG17". After discount, prices start at $48.74. Plus, all items qualify for free shipping. That puts each drive at the lowest price we could find by at least $45. Refurbished items carry a 6-month Western Digital warranty. Deal ends August 31. The drives, with prices after coupon and compared to the best available deals for new units: