每顆U的體質不同, 甜蜜點要你自己抓抓看, 但是一般來說零售版Lynnfield不加壓的話, 最高差不多落在3.5-3.7G
"If you overclock without increasing the processor core voltage, then you can expect the resulting frequency to be around 3.5-3.7 GHz"
http://www.xbitlabs.com/articles/mainboards/display/asus-p7p55d-deluxe_8.html