We should have seen this coming.

For a couple months now I've seen reports of 4200mHz SL7KC's and 5.5gHz 2.8A's (C0 stepping) there's a new D0 2.8A, the SL7K9 and the new 3.6/3.8 lga775 CPU's also... right now the WR for highest speed sPi is still the Japanese 2.8A's running at 5.5+

C