Newegg offers the Western Digital Black 5TB Serial ATA 6Gb/s 3.5" Internal Hard Drive , model no. WD5001FZWX, for $224.99. Coupon code "ESCEGFG27" cuts that to $189.99. With free shipping, that's tied with our mention from a week ago and the lowest total price we could find by $35. It features a 128MB cache.