Chasis : 2U Rack CPU : 4 x Intel Xeon E5-4620, FCLGA2011 RAM : 4 x 16GB, up to 3TB RAM Slots: 48 DIMMs slots, DDR3 up to 1866MT/s HDD Bays : - Internal Storage (max) : Up to 16TB, Up to 16 x 2.5” hot-plug SAS, SATA or SSD On board network : I350 1GB 4p Internal Raid Controllers : H710P PCI Slots : 7 PCIe slots: 2 x 16 half-length, full-height, 1 x 8 half-length, full-height, 3 x 8 half-length, half-height, 1 x 8 half-length, full-height for the RAID controller USB: (1) front USB 2.0, (1) back USB 2.0 PSU: 2 x 1100W