HGST Deskstar NAS-Optimized 4TB Hard Drive (5-Pack, 20TB Total) for $799.99 Shipped
HGST Deskstar NAS-Optimized 4TB Hard Drive (5-Pack, 20TB Total) for $799.99 shipped. Here is a screenshot for your reference. That is a lot of storage space and great if you are looking to build a network-attached storage as these drives are optimized for such usage.