The ASUS F2A55-M/M11BB/DP_MB AMD mATX Motherboard DDR3 Socket FM2 is a microATX motherboard designed for desktop use. With two memory slots supporting DDR3 SDRAM, this motherboard is most suitable for casual computing. The product contains a chemical known to the State of California to cause cancer, and it is a unit of one. The motherboard is compatible with Asus brand systems and features a PCI Express x16 expansion slot for additional expansion capabilities.