Supermicro 640P-E1CR36H STORAGE SSG-640P-E1CR36H(X12DPi-NT6, CSE-847BTS-R1K68LPBP4) (4U, LGA4189, 16xDDR4 Up to 4TB ECC LRDIMM/RDIMM +2 Intel Optane, 36x3.5/2.5 SAS3/SATA3 +2xRear SATA Slots,