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Old 04-27-2012, 02:56 PM
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FeniX FeniX is offline
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I think the water pump is not running at full power, that's what causing the high temp problem under load (regardless of fan speed problem).

I see 2,100-2,200rpm on CPU fan header used for monitoring, while in this thread people are saying that H80's pump should spin at 4,200rpm??

maybe that's why mine is so silent and I can't even feel it running when touching the block with fingers...
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Old 04-27-2012, 03:01 PM
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Nope, it shouldn't. The pump runs at about 2100RPM +/-10%. Sometimes it's mistakenly reported as twice what it really is (hence 4200 RPM), but that's just a misreading that happens on the H60 mostly. As to why that might be, I have expressed my thoughts on that here:

I very much doubt that it's running at 1100RPM and your seeing double that, resulting in 2200RPM, that is unheard of.
Or maybe the pump isn't primed properly, so it spins with no resistance, hence no noise and vibrations.
There might be some air bubble or something like that crippling its efficiency, but like I said, I see no point in theories in this particular place...
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fan controller, fans, fix, h80, revving

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