ASRock Rack SPC621D8-2T C621A Xeon Socket P+ LGA4189 DDR4 PCIe ATX Motherboard

SPC621D8-2T ATX (12" x 9.6") Supports 3rd Gen Intel Xeon Scalable Processors8 DIMM slots (1DPC), supports DDR4 RDIMM, LRDIMM, RDIMM/LRDIMM-3DS, and Intel Optane Persistent Memory4 PCIe4.0 x16, 3 PCIe4.0 x8Supports 1 M.2 (PCIe3.0 x4 or SATA 6Gb/s), 1 M.2 (PCIe3.0 x1 or SATA 6Gb/s) 12 SATA 6Gb/s (including 2 ports from M.2) 2 RJ45 (10GbE) by Intel X710-AT2Remote management (IPMI) Physical Status Form FactorATXProcessor SystemCPUSupports 3rd Gen Intel Xeon Scalable processors SocketSingle Socket P+ (LGA 4189) ChipsetIntel C621A System MemorySupported DIMM Quantity8 DIMM slots (1DPC) Supported TypeSupports DDR4 288-pin RDIMM, LRDIMM, RDIMM/LRDIMM-3DS, Intel Optane Persistent Memory 200 seriesMax. Capacity per DIMMRDIMM: up to 64GBRDIMM-3DS: up to 256GBLRDIMM: up to 128GBLRDIMM-3DS: up to 256GBDIMM Frequencymax. 3200MHzVoltage1.2V PCIe Expansion Slots (SLOT7 close to CPU) PCIe x 16SLOT7: PCIe4.0 x16SLOT5: PCIe4.0 x16SLOT3: PCIe4.0 x16SLOT1: PCIe4.0 x16 SLOT7/5/3 auto-switch to PCIe4.0 x8 w