SUPERMICRO MBD-X10SRL-F Server Motherboard LGA 2011 R3 CPU Type: Intel Xeon processor E5-2600 / 1600 v3 family Number of DDR4 Slots: 8 x 288-pin DDR4 Standard: 2133 / 1866 / 1600 / 1333 MHz ECC DDR4 SDRAM 72-bit Maximum Memory Supported: Up to 512GB DDR4 ECC LRDIMM Up to 256GB DDR4 ECC RDIMM ECC Supported: Yes Other Slots: 2 x PCI-E 3.0 x8 (in x16) slots 2 x PCI-E 3.0 x8 slots 2 x PCI-E 3.0 x4 (in x8) slots Auto-switch to 1 x8 and 1 x0 1 x PCI-E 2.0 x4 (in x8) slot SATA: 10 x SATA3 (6Gbps) ports SATA RAID: 0/1/5/10