Supermicro Motherboard MBD-X9SCM-F-O Xeon E3-1200 C204 LGA1155 Socket H2 DDR3 SATA PCI Express microATX Retail CPU Type: Intel Xeon Number of DDR3 Slots: 4 x 240pin Maximum Memory Supported: 32GB ECC Supported: Yes PCI Express x8: 2 x PCI Express x8 PCI Express x4: 2 x PCI Express x4 SATA: 4 x SATA 3.0Gb/s + 2 x SATA 6.0Gb/s SATA RAID: 0/1/5/10