Kingwin KF-4000-BK 4-Bay Hot Swap SATA Drive Rack
 

The Kingwin KF-4000-BK 4-Bay Hot Swap SATA Drive Rack supports up to four drives in the space of just three drive bays. Enclosures like this are not only useful in servers, but as the storage needs of home users increase, they provide a convenient way to keep up and up-to-date.