Fry's Electronics offers the Hitachi GST 4TB Deskstar Coolspin Serial ATA 6Gb/s 3.5" Internal Desktop Hard Drive Kit, model no. 0S03359, for $129 with free shipping. That's tied with our May mention as the best price we've seen, and a current low by $20. It runs at 5400rpm and features a 32MB cache.

Update: It's now available for in-store pickup only.