Today only, Newegg offers the Western Digital Black 5TB Serial ATA 6Gb/s 3.5" Internal Hard Drive, model no. WD5001FZWX, for $219.99. Coupon code "ESCFFGJ39" cuts that to $179.99. With free shipping, that's $10 under our October mention and tied as the lowest total price we've seen. (It's the best today by $43.) It features a 128MB cache.