Memory frequency question

[allburnintegrated]

I was just reading the Core 2 page on Wikipedia, and it says that for a 1066MHz FSB C2D, you should use 533MHz RAM in dual channel mode for the best performance.
http://en.wikipedia.org/wiki/Core_2#DDR2_memory_modules

This doesn't make sense to me, as using higher frequency RAM improves bandwidth, my own overclocking has proven that. Can anyone explain?

Cheers

[Random]

I'm assuming that the Wikipedia post wasn't including OC'ed stats. I believe their definition of 'best performance' is 'most stable', and running dual mode 533MHz RAM sticks would give you the Core 2 Duo processor's 1066 FSB speed exactly, matching them and making for an extremely stable performance. However, if your definition of 'best' is 'as fast as it can go without losing stability', yeah, i'd agree that running higher MHz RAM is the way to go. Personally, I never bother with the CPU's FSB when deciding on RAM - my main issue is typically whether or not the mobo is compatible with DDR2 1200, or what have you.