Newegg offers the Western Digital Black Series 500GB Serial ATA 6Gb/s 2.5" Internal Hard Drive, model no. WD5000BPKX, for $49.99. Apply coupon code "VCO" and checkout with Visa Checkout to drop the price to $44.99. With free shipping, that's the lowest total price we could find by $15. This drive runs at 7200 rpm and features a 16MB cache. Deal ends August 25.