Sorry for the dumb question. The MSI description says the X299 Creator will handle 2933 native unclocked, but 4266 OC. When I buy memory for this board, do I buy memory which is listed as 2933 with the lowest C ie C16 for example, and rely on the XMP profile to push the speed, or do I buy 4266 memory? The XMP speeds are not listed, at least for the Corsair memory. Thanks for the help.