Total Slots :32 (8-channel per CPU, 16 DIMM per CPU)Capacity :Maximum up to 4TB per CPU Memory Type :DDR4 3200/2933 RDIMMDDR4 3200/2933 LRDIMMDDR4 3200/2933 LR-DIMM 3DS3200/2933 RDIMM 3DSMemory Size :64GB, 32GB, 16GB, 8GB RDIMM256GB, 128GB, 64GB RDIMM 3DS128GB RDIMM 3DS/LR-DIMM 3DS * Refer to support page for more information* Actual memory frequency differs from Intel CPU types and memory module. Please check Intel official site for more detail about the memory types supported by each CPU.