I have the regular an8 sli and currently i have my winchester 0451 @ 270x9 1.55Vs. Ram is KVR 3-3-3-8 1T on 166divider. Rock stable for me. Gonna try lowering the multi to 8 and htt to 312 and see what happens. Ram divider @ 133 of course. My kvr can't handle anything over 223Mhz.