Socket am3 mainboard form factor atx supports multi core processors 8 core compatible cpus amd phenom ii x2 amd phenom ii x3 amd phenom ii x4 amd phenom ii x6 processor codename bulldozer chipset amd 990fx memory slot 4 ram operation mode dual channel ram type ddr3 memory clock speed 1 600 mhz specification pc3 12800 pcie 20 support number of pci x x 16 slots 3 number of pci x x 1 slots 2 network port 1 x rj45 lan port back panel io ports 6 x u