2X2TB SATA NAS HARD DRIVES INCLUDED 4-BAY DESKTOP NAS PARTIALLY POPULATED W/ 2 OPEN DRIVE BAYS 2.5XGBE Annapurna Labs Alpine AL-214 Quad-core (4 Core) 1.40 GHz - 4 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, 5, 6, 10, JBOD - 4 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.