Newegg offers the HGST Deskstar 4TB NAS Serial ATA 6Gb/s Internal Hard Drive, model no. H3IKNAS40003272SN, for $162.99. Coupon code "ESCATAP22" cuts it to $154.99. With free shipping, that's tied with our March mention and the lowest total price we could find now by $8. This 7200rpm hard drive is designed for NAS systems and features a 64MB cache. Deal ends June 4.

Note that this is the bare drive.