Chasis : 1U Rack CPU: 1 x Intel Xeon X3430 RAM: 4 x 8GB, Up to 48GB RAM Slots: 6 DIMMs slots, DDR3 HDD Bays : - Internal Storage (max) : 4 x 3.5 SAS and SATA, Up to 8TB On board network : Dual-port-1 Gbps Internal Raid Controllers : H200 PCI Slots : Up to 2 PCIe G2 slots USB: (2) front, (2) back, (2) internal PSU: 2 x 400 W