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Old July 22, 2009, 09:55 PM
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Default Questionable Thermalright Ultra 120 Extreme Results

I bought a Thermalright Ultra 120 Extreme 1366 cooler in hopes that I would get good temps so I could attempt an overclock with my i7 920.

At idle, temps are ~40 degrees C

At Load, stock speed: ~low 70's degrees C

I've tried overclocking to 2.9 Ghz (i7 940 speed) on stock voltage using TurboV (just to observe any increase in temps). I noticed an increase by ~1-2 degrees C.

Regardless, 70 degrees C isn't exactly good at stock speeds, is it? Especially with an aftermarket heat sink. Although, my ambient is ~ 27 degrees C.

Any feedback would be awesome.
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Old July 22, 2009, 10:58 PM
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What were your results with your previous heatsink?

I think seeing that the max temp for i7's is 100C, your doing fine. I'm sure you know they're not very easy to keep cool.
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Old July 23, 2009, 05:41 AM
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Which fan are you using on that TRUE?
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Old July 23, 2009, 05:47 AM
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A push-pull setup will really help you on temps. You may have a "HOT" chip from a certain batch like mine and 3oh6's.
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Old July 23, 2009, 06:59 AM
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AFAIK TRUE without lapping and washer mod is just an average heatsink.
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Old July 23, 2009, 08:13 AM
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Just wondering, for all us non-i7 types, what are the normal temps on a stock i7 with stock cooling?

I'm very happy with the cooler I'm running on my rig. I've never lapped or modded the cooler.

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Old July 23, 2009, 09:14 AM
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I'm using a TRUE with only the one fan that came with it (cause I'm broke and can't afford more/better fans).
Folding @ 3.486GHz temps barely hit 60c.
When I run 3.8GHz temps top around 72c.
This is with an ambient room temp of 23 - 26c.

I'd say that either your chip is a REALLY hot one, or there may be a problem with your mount job...
What kind of TIM did you use, and how much?
I've heard many people say to lap the TRUE, but I didn't bother since my temps looked fine to me.
Perhaps you could try that if all else fails...
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Old July 23, 2009, 09:30 AM
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TRUE base

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Old July 23, 2009, 09:36 AM
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Another point, what kind of case airflow do you have? A picture would help greatly.

And 27C ambient is high IMO, so you can't expect low temperatures when the air going into the heatsink is already that warm.
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Old July 23, 2009, 09:41 AM
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So far the lesson I've learnt is "don't lap the TRUE".. the little bow they have actually helps in mounting, I know couple people who lapped their heatsink, had issues with temp issues, some also had issues that the heatsinks wasn't tight enough, it would literally move from the mounting bracket (well not really move, I hope you get my point)..

At least that's what i've come across..
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