Corsair mix'n'match

[SYL\X/3K]

Im running on a Corsair 512MB PC2-4200 ValueSelect DDR2 533mhz,
for me its kinda low so im planning to buy another stick of 512mb.
My questions is that im buying exact same model 'Corsair' but its a Corsair DDR2 PC2-5400 667MHz Value Select 512MB instead of a 533mhz.
im guessing its ok to mix them but will it cause any errors or corruptions?

 

[Jorsoft]

You should be fine it'll just run at 533mhz is all.

 

[SYL\X/3K]

that's wat i was thinking , so ur saying both are going to run at the same speed right even tho one is faster than the other?

 

[Meithan]

Yes, that's correct. They'll both run at the speed of the slowest module (533Mhz in your case).