Noctua NHU12 with high temps

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Sitt

Sitt

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I have just installed a Noctua NHU 12 but my idle tmps through TAT are reading 45/41 degrees. System is bog standard, no oc, spec E6600 on Asus PH5 DW Deluxe with one intake fan at the front and one intake on the case side panel over the motherboard.
I installed the Artic Silver as per the instructions on the AS site i.e. thin line of AS running top to bottom of heat sink, however, I didn't spread the AS out over the heat sink before installing it - thinking that once the Noctua is in place and secured that this should be enough to spread out the Artic Silver. Is this the correct way of doing it or should I have manually spread it out first before securing the heat sink?
 
You applied the AS5 as the instructions on the AS web site say you should.
I have the same CPU & HSF combination and my idle temps are 31C. I think you should look at the airflow through the case as you've only described inlet fans and not said how the air is removed from the case.
 
Sorry, got another Noctua NF S12 (120mm) fan acting as the exhaust, case is a CoolerMAster Centurian 5 btw.
 
does the temp go down if you take the side of the case off?

If yes - more case fans/better airflow needed.
If no - HSF reseating or too much vcore.
 
As mentioned previously, my machine has not been overclocked and is pretty much standard. Taken the screenshot below which shows all the voltages etc. Maybe somebody can confirm if the vcore needs dropping?

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Try setting the vcore to 1.19v for me that voltage gave me the best results with my E6600 and Noctua. I would afterwards if the temperatures remain the same consider reseating the cooler, perhaps its not sitting correctly on the CPU and drawing out heat efficiently?
 
Was that screenshot taken with no processes running major cpu usage? If so then it seems that you dont have the AS5 on correctly. Not that one of your CPU cores is 5C higher then the other. That generally means the AS5 is only covering one of your cores. You could try reapplying the AS5, making sure that there is a thin layer over the entire CPU. I know you only need to cover the cores in the middle but the safest way to ensure good contact there is to cover the entire cpu.

Alternatively you could try lapping your cpu? That could also be a major factor.

My noctua idles around 31C on both cores on my stock 6300 with 1.2V
 
Ok, I reseated the HSF on my E6600 which resulted in dropping the temp slightly - now TAT is reading 41/37 degrees. With the side of the case off it drops again by a degree or two (nothing much to shout about).
How much of a difference would the temps be if I stuck on another 120mm Noctua fan to the heat sink?
Any other suggestions?
 
What voltage is the CPU set to? Another Noctua would improve temperatures but it shouldnt really be that high idling with just the one. What are full load temps like with Orthos etc?
 
Ok, so its set to 1.325v which is stock for the C2D. With a lower vcore the temperatures should drop a little. Do you know how to alter the vcore? What motherboard do you have mate?
 
Not 100%, doing a lot of reading up on OC as we speak. If you could give me a hand with instructions it would be greatly appreciated as the instructions that I have been following don't relate to this motherbaord and I tend to get confused. It's a Asus P5W DH Deluxe
 
Not a problem, I don't have any experience with that motherboard but I have found this - http://enthusiast.hardocp.com/article.html?art=MTE2MywyLCxoZW50aHVzaWFzdA== on the BIOS sshots you can see 'CPU vcore Voltage' It says you are going to need to disable two CPU features.

If you read further down it mentions:

The CPU Configuration submenu within the main Advanced screen contains CPU operation related options, including those for controlling the internal CPU Thermal, C1E, and SpeedStep configuration.
Click to expand...

There is a screenshot for that also, so those need disabling and then you can alter the vcore (and overclock - which I would do later). So best thing to do is the print those out, or write some notes and then jump into the BIOS!

As always when doing things like this I always do a backup of essentials on my HDD just incase something bad does happen.
 
In an edition of CustomPC they reviewed a load of CPU coolers, and the Noctua cooler was awful for cooling intel C2Ds. It was hotter than the standard cooler they had. Although it was great for AMD CPUs.
 
The internet is littering with reviews on this cooler, and the forum is also littered with enthusiasts who use this cooler and are very pleased with its exceptional performance and quality, for CPC to report that the stock cooler is better than the Noctua is a complete load of tripe. There are more factors than just the cooler that come into CPU performance.
 
My e6600 @ stock with the vCore @ 1.20v and my current idle temp is 44'c. i can't get it any lower, i have tried different thermal pastes reseated the HSF and nothing I do lowers the temperature.

Thats with the Noctua NHU-12 in a Antec P182.
 
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