Ending today, for its newsletter subscribers only, newegg offers the Western Digital Red 3TB Serial ATA 6Gb/s Internal Hard Drive, model no. WD30EFRX, for $169.99. Coupon code "EMCNJJE28" cuts it to $139.99. (Amazon charges the same.) With free shipping, that's $0.05/GB, tied with yesterday's expired mention, and the lowest total price we could find by $12. This internal hard drive is optimized for use in 1- to 5-bay NAS systems and features a 64MB cache.