BUFFALO TeraStation 3430RN Partially-populated 2-Bay Rackmount NAS 4TB (2x2TB) HDD Included 2.5GBE iSCSI TAA Compliant - Annapurna Labs Alpine AL524 Quad-core (4 Core) 2 GHz - 2 x HDD Supported - 2 x HDD Installed - 4 TB Installed HDD Capacity - 2 GB RAM DDR4 SDRAM - RAID Supported - 0, 1, 5, 6, 10, JBOD RAID Levels - 2 x Total Bays - Gigabit Ethernet, 2.5 Gigabit Ethernet - 3 USB Port(s) - 1 USB 2.0 Port(s) - Network (RJ-45) - CIFS/SMB, AFP, FTP, FTPS, SFTP, NFS, TCP/IP, iSCSI - 1U - Rack-: