For its newsletter subscribers only, Newegg offers the Western Digital 4TB Serial ATA 6Gbps Internal Hard Drive, model no. WD40EFRX, for $189.99. Coupon code "EMCWVTJ22" cuts it to $174.99. With free shipping, that's $0.04/GB, $5 below our mention from three weeks ago, and the lowest total price we could find by $5. It features a 64MB cache.