For its newsletter subscribers only, newegg offers the Western Digital 3TB Red Serial ATA 6Gb/s Internal Hard Drive, model no. WD30EFRX, for $159.99. Coupon code "EMCYTZT31569" cuts it to $134.99. With free shipping, that's $0.04/GB, $5 under our mention from three weeks ago, and the lowest total price we could find by $17. This internal hard drive is optimized for use in NAS systems and features a 64MB cache. Deal ends March 31.