can I use higher speed DDR2 RAM with lower speed FSB

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elrayes

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Hi

I have an old laptop and I need to upgrade the RAM, It runs on 400 MHz, can I use a 800 or 533 MHz DDR2 RAM or would make a problem.
theoretically we can cause the lower speed will dominate but I want someone opinion
 

If u'll keep the 400 MT/s RAM, then the speed of the new RAM will be downgraded to 400 MT/s instead of its rated speed.

If you won't keep ur old RAM, then the new will work with the maximum supported memory speed by ur laptop.
 

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    elrayes

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