Adding RAM of different frequency

Question

Hi,

I'm thinking of upgrading my RAM and I was wondering if the new RAM I buy has to be of the same frequency as the current one. On the order invoice it says I have the following: Memory : 3072MB (1x2048 + 1X1024) 800MHz DDR2 Dual Channel. What would happen if I add RAM of different frequency?

Thanks!

ejn63 · Answer

If it's slower than what is required, it likely won't work. If it's faster, it may work but will downclock - it's impossible to be more definitive without knowing what model you have and what CPU is installed.

ejn63 · Answer

Though the system will take PC1066 RAM, it won't run RAM at 1066 MHz with your current CPU - since its FSB is 800 MHz, that's the memory speed cap, even if you install faster RAM.

jangozo · Answer

Thanks for the reply! I've got an inspiron 1545 with a Core 2 Duo T6500 (2.1 Ghz) 64 bit Win 7. Thanks.

jangozo · Answer

thanks for the information and quick replies, its much appreciated :emotion-21::emotion-1:

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Adding RAM of different frequency

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