Newegg offers the HGST Deskstar NAS 6TB Serial ATA 6Gb/s 3.5" Internal Hard Drive, model no. 0S03839, for $299.99. Coupon code "EMCWHHC25" cuts it to $269.99. With free shipping, that's the lowest total price we could find by $20. It runs at 7200 rpm and features a 64MB cache. Deal ends December 28.