the memory defaults pc3-8500 ( or at least the motherboard does )
it seems to be working just fine with only 3 sticks at pc3-1333 with a 1T command rate.
I guess as long as boxing 5 accounts doesn't use more that 6G I'll be fine....
it's kind of the principle that I purchase a board that is supposed to handle 12G.

I sure like this PC.... seems wicked fast to me.