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Thread: Quick E8400 voltage question.. Too much?

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  1. #10
    Xtreme Addict
    Join Date
    Dec 2006
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    Cochrane, Canada
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    Let me try this again.

    Intel says that the maximum core voltage for the E8x00 series is 1.45 volts but 1.45 volts is outside the functional limits of the processor where neither functionality or long-term reliability can be expected.

    How long do you want to use your new CPU for before burning it out? Even at only 1.45 volts there are no guarantees. People feeding them 1.60 volts and trying to Prime at 4500+ MHz are living on the edge.

    If you go over 1.45 volts, even once, Intel says that when you return your voltage to a normal level that it either may no longer function or its reliability will be severely degraded.

    I've been reliably running my 65nm E6400 for the last year at 1.50 volts at idle and at about 1.48 volts at full Prime load. Intel has reduced their Max volt number by 0.10 volts so I would reduce those numbers by 0.10 volts for the new 45nm series. Until this issue gets cleared up and more user reports come in I wouldn't go over 1.40 volts under full load.

    CPU-Z seems accurate at reporting core voltage on most motherboards.
    Last edited by unclewebb; 02-03-2008 at 08:10 PM.

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