ASRock Rack Motherboard D1540D4U-2O8R uATX, 9.6" x 9.6'' (24.4 cm x 24.4 cm) Intel Xeon D1540 Processor Supports Dual channel DDR4 2133/1866 ECC DIMM max 64/64/128 GB Integrated IPMI 2.0 with KVM and Dedicated LAN (RTL8211E) Support 6 SATA3 by D1540+ 8 x SAS3 by LSI3008 Supports 1x PCIe 3.0 x16, 1x PCIe 3.0 x8, 2 x M.2 slots