DFI LANParty DK P55-T3eH9
 

While the DK P55-T3eH9 was a bit tricky to get initially dialed in, once it was the board remained solid as a rock. I was able to get the board to a base clock of 210MHz, with a CPU speed of 4.02GHz and memory running at 1680.

http://www.hardocp.com/article/2009/...erboard_review