Quote Originally Posted by k00lance
That's what I thought as well. It is something obvious at first but my friend in Korea related to G.skill insists on telling me that the black PCB version is actually Ballistix. If you look closely inside the ram, there's a spot marked in black which says Crucial. I believe him since he has the samples and the retail version of both.
hmm ok, fair enough...

which ballistix set does this relate too? surley we cant expect this performance out of the 6400?