Six 288-pin RDIMM up to 192GB Single Channel DDR4 up to 2933 MHZ Support Optane DC persistent memory module(DCPMM) in DIMM3 and DIMM6 (2nd Gen Xeon Scalable (62xx/52xx/ 4215) processors only)
Expansion
2 x PCIe x16 (Gen 3) 2 x PCIe x8 (Gen 3) 1 x PCI 1 x DDR4 SO-DIMM for SEM2500/2510 (opt.) 1 x M.2 M key 2280 (SATA/PCIe Gen3 x4 NVMe)