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Thread: q9550 70C @load ud3p too hot?




  1. #1
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    Default q9550 70C @load ud3p too hot?

    I tried following the guide in the forum and I did get pretty stable OC of my new c1 q9550 to 3.8Ghz (450x8.5, 1.35V), it is still under orthos test but it seems the q9550 core1 is getting really hot, the highest temp is like 70C. I am using a Zipang 1000 air cooler, which according to Scythe Zipang SCZP-1000 Ultra Low Noise Heatsink Review - FrostyTech.com is reasonably good cooler, should I now try to change to a better cooler like Xigmatek HDT-S1283, what is more acceptable temp for q9550 at load?

  2. #2
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    Default Re: q9550 70C @load ud3p too hot?

    hey, thats TOO hot! You shouldn't really go over 60c, Make sure the cooler is on properly, second is i have the Xigmatek and my temps dont go over 54c and thats running 1.38v.

    What paste are you using?
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  3. #3

    Default Re: q9550 70C @load ud3p too hot?

    1.35V you should not go over 55 degree ... on occt and prime95 .... linx and intell test is 60 or less

  4. #4
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    Default Re: q9550 70C @load ud3p too hot?

    Looks like that cooler may not work so good, or you have too much paste or dont have it fully tight. What is your ambient temps?

  5. #5

    Default Re: q9550 70C @load ud3p too hot?

    Your heatsink probably isn't mounted properly. I had this same problem.. Well the temps were not 70 but it was high.

    Re-mounting my Heatsink fixed the problem.

    How is the air flow in your case as well? How many fans? What size and where?
    Nothing is impossible... Just mathematically improbable..

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  7. #7
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    Default Re: q9550 70C @load ud3p too hot?

    I just got back home and reseated the cooler by using less thermal compound (using arctic silver 5), the temperature drops 5 degree to 65 degree.. however, I found if I use different temp monitor software, I got different results,
    if I use CPUID HWmonitor, the core1 temp is 65C,
    if I use Real temp, the core1 temp is 5 degree lower, i.e. 60C
    if I use easytune, it doesn't show core temp, it only shows CPU temp, which is 47C, it actually syncs with TMPIN1 temp under CPUID HWmonitor, which I believe is the Tcase temp. the system ambient temp is 34C (so core temp 31 degree higher than ambient at load, is this normal?)

    btw, I am leaving the case open, so airflow is no issue here.

    I have also tried my older Zalman 9700 cooler, it just get worse.

  8. #8

    Default Re: q9550 70C @load ud3p too hot?

    Buy some Artic Cooler MX-2 thermal paste and a new cpu cooler like a 1283 Xigmatek. I run a Q9550@ 3.40ghz on a ep45-ud3p mobo but I'm using a Cooler Master Hyper 212 cpu cooler with 2 fans on a push/pull configuration. So far I haven't tried pushing it further than 3.40ghz.

  9. #9
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    Default Re: q9550 70C @load ud3p too hot?

    You MUST have good airflow into, AND, out of the case- an open door does not count as good airflow.

    What do you have for airflow in your case? Even Intel's crappy little HSF will do the job with good case airflow.

    I just finished a 24hr P95 run..... ambient 22C, case 28C, idle 34C, load 51C max. I run WC'ing and I have used AS5 and Ceramique and found both to be equally as good in air and water cooling environments. I personally like Ceramique, but it takes a little longer to cure for me which I don't mind because I don't swap out CPU's once I get a good one ;)

    Air temps I've found tend to be 8-10C higher than my WC'ing temps, so yes, you may hit 60C load, but 70C is way out of the park.

    It sound like you need some more case fans.
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  10. #10
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    Default Re: q9550 70C @load ud3p too hot?

    You want to use CoreTemp or RealTemp (Must be Calibrated *CLICK ME*) or Everest Ultimate and be sure your TjMax is set to 100

    But at 3.8 a norm would be about 55-65 or so depending on your cooler and case airflow. So it may not be too bad right now really... Unless this is a Idle temp, then for sure it is WAY TO HOT

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