Lenovo N3310 NAS Server - Intel Xeon E5-2603 v3 Hexa-core (6 Core) 1.60 GHz - 4 x HDD Installed - 12 TB Installed HDD Capacity - DVD-Writer - 8 GB RAM DDR4 SDRAM - Serial ATA/600, 6Gb/s SAS Controller - RAID Supported - 0, 1, 5, 6, 10, 50, 60 RAID Levels - 4 x Total Bays - 4 x 3.5" Bay - Gigabit Eth