ECS A55F-M3 FM1 M/B - AMD A55 FCH, 2x DDR3, PCI-Ex16, SATA2, RAID, 6CH Audio, GbLAN, USB2.0, mATX, Socket FM1 for AMD A series/ E Series/Althon Quard-core/Althon Dual-core/Sempron Dual-core processors, Support Dual-channel DDR3 1333/1600/1866* memory architecture, 2 x 240-pin DDR3 DIMM socket support up to 32GB per one DIMM support 16GB, 1 x PCI Express x16 slot, 1 x PCI Express x1 slot, 1 x PCI slot, Support by AMD A55, 4 x Serial ATA 3.0Gb/s devices, RAID0, RAID1, RAID10 configuration, VIA® VT