Gigabyte uefi dualbios technology gigabyte ultra durable4 classic technology supports amd am3 fx am3 phenomtrade ii athlon ii series processors 2 pci e 20 x16 interfaces with amd crossfire support 6 native sata3 ports with up to 6gbps link speed and raid 0 1 5 10 support 4 usb 30 ports with transfer rates of up to 5gbps gigabyte onoff charge technology cpu am3 socket amd am3 fx processors amd am3 phenomtrade ii processor amd athlontrade ii processor please refer cpu support