SUPERMICRO MBD-X7SPE-H-O Flex ATX Server Motherboard FCBGA559 DDR2 667 CPU Type: Intel Atom D510 processor System Bus: DMI South Bridge: Intel ICH9R Number of DDR2 Slots: 2 x 200Pin SO-DIMM Maximum Memory Supported: 4GB PCI Express x4: 1 (x4) PCI-Express (in x16 slot) SATA: 6 x SATA 3.0Gb/s SATA RAID: RAID 0, 1, 5, 10 support (Windows Only)