Buffalo TeraStation 3220DN Desktop 4 TB NAS Hard Drives Included - Annapurna Labs Alpine AL-214 Quad-core (4 Core) 1.40 GHz - 2 x HDD Supported - 2 x HDD Installed - 4 TB Installed HDD Capacity - 1 GB RAM DDR3 SDRAM - Serial ATA/600 Controller - RAID Supported 0, 1, JBOD - 2 x Total Bays - 2.5 Gigabit Ethernet - 2 USB Port(s) - 2 USB 3.0 Port(s) - Network (RJ-45) - iSCSI, TCP/IP, CIFS/SMB, FTP, FTPS, NFS - Desktop - TAA Compliant: