Intel Xeon D-1518 2.2 GHz Quad Core Processor; Aspeed AST2400 BMC Supports 4x 288-pin DDR4 DIMM; Supports up to 128GB DDR4 ECC RDIMM, Supports up to 64GB DDR4 ECC/non-ECC UDIMM, DIMM Sizes: 32GB, 16GB, 8GB, 4GB Supports 4x SATA3 6Gb/s drives, 1x M.2 (2242/2280/22110, PCI or SATA MUX), 1x mSATA (SATA MUX), and SATA DOM