Here is another smart NAS for all your streaming needs. The WD 12TB My Cloud Pro Series PR2100 Network Attached Storage has a quad-core processor and 4 GB RAM. It also has video transcoding built-in for HD streaming through PLEX. It also features AES 256-bit encryption.
This particular network attached storage device ships with 2 x 6TB drives for RAID. It is compatible with PC and Mac.