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"Cache that is built into the CPU is faster than separate cache, running at the speed of the microprocessor itself. However, separate cache is still roughly twice as fast as Random Access Memory (RAM). "
from Wisegeek.

What's the speed of ram? Does more ramsticks slow down a pc???:confused:
 

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RAM speed is determined by the bus speed of the motherboard, it varies by model. The newer the faster, the RAM will only run at the speed it is made for, up to the speed that the motherboard supports.

e.g. 133, 266, 400 et al.

Do not confuse this with on-cpu chip cache RAM, which is faster as its part of the CPU itself.

More RAM does not slow it down, provided all RAM is matched for speed. Putting a slower RAM stick in with a faster one will have it running all at the slower speed.

Putting RAM in that is faster then the motherboard supports will have it run at the slower motherboard speed.
 
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