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Thread: Overclocking an i7-920 with 24GB RAM on an MSI Pro-E?

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  1. #8
    Xtreme Cruncher
    Join Date
    Oct 2008
    Location
    Chicago, IL
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    840
    There was a study done by someone(I want to say Google) and they tested ECC versus non-ECC memory to determine how much ECC really mattered. It was something in the ball park of 1 bit swap every 3months of 24x7 usage. They attributed his to cosmic rays. What was very interesting was that you'd think that if you doubled the amount of memory you'd end up with twice the number of bits swapped, but that wasn't the case. The change was statistically insignificant.

    Based on that study, I disgree with zanzabar's take on ECC. I'm not saying he's lying or anything, just that the issues he had were not caused by memory density. Also, if non-ECC memory was that unreliable, companies wouldn't be selling it because they wouldn't want the liability of having to replace it under waranty constantly. Remember, they're in business to make money, and if they're selling an unreliable item with a lifetime warranty they won't be in business very long.

    Also, I have 3 computers with 24GB of non-ECC RAM, crunching non-stop for the last few months, and they are all rock solid...

    EDIT: From wikipedia: Recent studies show that single event upsets due to cosmic radiation have been dropping dramatically with process geometry and previous concerns over increasing bit cell error rates are unfounded. Link: http://en.wikipedia.org/wiki/Dynamic..._access_memory
    Last edited by josh1980; 04-07-2010 at 07:17 PM. Reason: Add wikipedia comment...

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