2nd Gen Intel Xeon Scalable Processors Dual Socket LGA-3647 Socket P CPU TDP support Up to 205W TDP 2 UPI up to 10.4 GT/s 4TB 3DS ECC RDIMM, DDR4-2933MHz 4TB 3DS ECC LRDIMM, DDR4-2933MHz 2TB Intel PMem, DDR4-2666MHz Up to 2TB Intel Optane DC Persistent Memory 4 PCIe 3.0 x16,2 PCIe 3.0 x8, 2 PCIe 3.0 NVMe x4 Internal Ports M.2 Interface: PCIe 3.0 x4