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Thread: Ram q&a

  1. #1
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    Question Ram q&a

    Hey everybody!

    I noticed that on some RAM modules that it has a "U" after the PC133 or whatever number. In this case, it said "PC133U", so I was wondering, what is the "U" for? What does the "PC133" mean? Also, I've heard that it's better to have the same "density" of memory modules? Can someone explain this in a simple to understand way? Is it better to use two RAM modules of PC133 than a combination of PC133U and PC133?

    I'm basically looking to understand how RAM works. I've looked at the Wikipedia page already and had questions so I came here.
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  3. #3
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    Re: Ram q&a

    Well, that helps a little bit. I got that the "U" is meant to mean a low profile memory module, meaning that it's smaller. That doesn't seem to be right because the PC133 memory module that I have is smaller than the PC133U module that I have. I can provide pictures if it helps.
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    Re: Ram q&a

    You can if you want

    google "pc133 vs pc133u "

    I just grabbed first one theres more

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    Re: Ram q&a

    Quote Originally Posted by jmfal View Post
    You can if you want

    google "pc133 vs pc133u "

    I just grabbed first one theres more
    Yeah. I just looked it up on Google and it seems that the "U" means unbuffered, but I don't really know what that means still. Generally, buffered means that it's already prepared, right? Meaning that if something is buffered, it'll readily available. So I'm guessing that buffered is faster than unbuffered?
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  7. #7
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    Re: Ram q&a

    Quote Originally Posted by jmfal View Post
    This link is really helpful. Thanks.
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