Ubiquiti UNAS-PRO NAS Storage System - ARM Cortex A57 Quad-core (4 Core) 1.70 GHz - 7 x HDD Supported - 7 x SSD Supported - 8 GB RAM - RAID Supported - 1, 5, 10 RAID Levels - 7 x Total Bays - 7 x 2.5"/3.5" Bay - Gigabit Ethernet - Network (RJ-45) - SMB, CIFS, CIFS/SMB, NFS - 2U - Rack-mountable: