Supermicro ATX DDR4 LGA 2011 Motherboards X10SRL-F-O Intel C612 chipset Up to 512GB ECC DDR4 2133MHz LRDIMM; 8x DIMM sockets 7x PCI-E slots total: 2 PCI-E 3.0 x8, 2 PCI-E 3.0 x8 (in x16), 2 PCI-E 3.0 x4 (in x8) or 1 x8 + 1 x0 (auto-switch), & 1 PCI-E 2.0 x4 (in x8) CPU: LGA2011 Memory: 8x 284pin DDR4-2133/ 1866/ 1600/ 1333 DIMM Slots, Supports up to 512GB ECC Load Reduced Memory or up to 256GB ECC/REG Memory Slots: 2x PCI-Express 3.0 x16 Slot (run at x8), 4x PCI-Express 3.0 x8 Slots (two run at x4), 1x PCI-Express 2.0 x8 Slot (runs at x4) SATA: 10x SATA3 Ports Form Factor: ATX