Chasis : 1U Rack CPU : 2 x Intel Xeon E5-2680v3, FCLGA2011 RAM : 4 x 16GB, Up to 768GB, HP SmartMemory (24) DDR4, up to 2,133 MHz HDD Bays : - Internal Storage (max) : Up to 153 TB On board network : 331i 4p Internal Raid Controllers : P440ar PCI Slots : Up to 16 PCIe slots USB: (2) rear, (1) front, (2) internal PSU: 2 x 800W