ThePCEnthusiast checked out the Yottamaster DF4RU3 4-Bay RAID External Hard Drive Enclosure
A quote from the article:
NAS or Network Attached Storage is quite common these days. They are primarily used to store and backup data. However, a NAS requires that it is attached to the networks router; thus the name network-attached storage. What if you just need a storage solution that can be connected directly to a PC?Yottamaster DF4RU3 4-Bay RAID External Hard Drive Enclosure Review