Chasis : 2U Rack CPU : 2 x Intel Xeon E5649, FCLGA1366 RAM : 2 x 8GB, Up to 384 GB (12 x 32GB) for RDIMM, 48GB (12 x 2GB) for UDIMM RAM Slots: 18 DIMMs slots, DDR3 HDD Bays : - Internal Storage (max) : Up to 24TB On board network : 4x NIC 1gb ETH Internal Raid Controllers : P410i PCI Slots : Up to 16 PCIe slots USB: (4) rear, (2) front, (1) internal PSU: 2 x 750W