Dual Socket P+ (LGA-4189) 3rd Gen Intel® Xeon® Scalable Processors 16 ECC DDR4-3200: LRDIMM/RDIMM + 2 Intel® Optane Persistent Memory Dedicated Slots 2x 10Gbe 12x 3.5" hot-swap hybrid SATA/SAS drive bays (4 NVMe Hyprid Ports); 2 rear SATA 2.5" slots; onboard 1 M. 2 NVMe 3 heavy duty fans with optimal fan speed control; 1 Air Shroud Broadcom® 3816 Controller