Asrock 970 extreme3 r20 socket am3 71 ch hd audio atx motherboard product specifications general cpu support for socket am3 processors support for socket am3 processors amd phenomtrade ii x6 x4 x3 x2 except 920 940 athlon ii x4 x3 x2 sempron processors supports 8 core cpu supports ucc feature unlock cpu core digi power design 4 1 power phase design supports cpu up to 140w supports amds cool n quiet technology fsb 2400 mhz 48 gts supports untied overcl