MAIN OVERVIEW FEATURES: Number of Hard Drives Supported: 12Number of Hard Drives Installed: NoTotal Hard Drive Capacity Supported: 144 TBNumber of Solid State Drive Supported: 12Number of Solid State Drive Installed: NoProcessor Manufacturer: IntelProcessor Type: AtomProcessor Model: C3538Processor Core: Quad-core (4 Core)Processor Speed: 2.10 GHzStandard Memory: 4 GBMemory Technology: DDR4 SDRAMEthernet Technology: Gigabit EthernetNumber of Total Expansion Bays: 12Number of 2.5"/3.5" Bays: 12Number of Total Expansion Slots: 1Expansion Slot Type: PCI Express x8Controller Type: Serial ATARAID Supported: YesRAID Levels: 0, 1, 5, 6, 10, Basic, Hybrid RAID, JBODTotal Number of USB Ports: 2Number of USB 3.0 Ports: 2Network (RJ-45): YesOperating System: DiskStation ManagerProtocols: iSCSI,DLNA,AFP,CIFS,Kerberos,FTP,HTTP,NFSHeight: 3.5"Width: 19"Depth: 28.5"Form Factor: Rack-mountableWeight (Approximate): 30.53 lbPackage Contents: RackStation RS2418RP+ SAN/NAS Storage System 1 x Accessory Pack 2 x AC Power Cords 1 x Quick Installation Guide Environmentally Friendly: YesEnvironmental Certification: RoHSLimited Warranty: 3 Year