Socket am3 mainboard series msi 970 form factor atx compatible cpus amd fx amd phenom ii amd athlon ii chipset amd 970 memory slot 4 ram operation mode dual channel ram type ddr3 memory clock speed 1 866 mhz memory clock speed oc max 2 133 mhz specification pc3 14900 specification oc max pc3 17000 maximum memory expansion 32 gb pcie 20 support number of pci x x 16 slots 2 number of pci x x 1 slots 2 number of pci slots 2 x pci network po