SUPERMICRO MBD-A1SRM-2558F-O uATX Server Motherboard FCBGA 1283 DDR3 1600/1333 CPU Type: Intel Atom Processor C2558 CPU TDP 15W (4-Core) Number of DDR3 Slots: 4 x 240pin Maximum Memory Supported: 64GB ECC Supported: Yes PCI Express x8: 1 x PCI Express x8 PCI Express x4: 1 x PCI Express x4 SATA: 2 x SATA 6.0Gb/s + 4 x SATA 3.0Gb/s Onboard Video Chipset: Aspeed AST2400