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RAM running at slow speeds?

Hi there!
So, I have this old Dell system that I recently upgraded with more RAM and a GPU. The parts work fine, but my BIOS reads my RAM speed as 667 MHz, but Speccy reads it as 332 MHz (which I think is extremely slow considering DDR RAM could reach up to 400 MHz). Haven't tried CPU-Z, but I will later as I don't have access to my PC as of now. I was going to ask this earlier but I forgot. Anyway, any help? Is Speccy wrong or is my RAM actually that slow? If it is that slow, should I overlclock it?
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  1. Best answer
    This quote from pcpro.com should explain it...
    Quote:
    It might seem logical to refer to these different modules by their internal speeds but, thanks to the double data rate that gives DDR its name, a 100MHz module can carry out a theoretical maximum of 200 million transfers per second, while the 200MHz module can carry out 400 million transfers per second. For this reason, 100MHz DDR is known as DDR-200, 133MHz modules are labelled DDR-266 and so forth.


    Read more: What does RAM speed mean? | Analysis | Features | PC Pro http://www.pcpro.co.uk/features/230484/what-does-ram-speed-mean#ixzz37I1SJjdC
  2. Thanks for clarifying that :)
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