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Noctua nh-u12p on X6800

I

i4mt3hwin

Junior Member
OK so after reading Wesley Fink's article on the Noctua NH-U12P I decided to purchase one for my X6800. So ATM I'm running it in a push pull configuration and my idle x6800 temp is ~38c.. in the articles Wesely's was 21 idle. So I'm thinking I must be doing something wrong with the thermal paste or something.. Today I decided to test all different ways of applying thermal paste, I tried a bead in the middle, a line down the center and a bead + manually spreading it myself. I noticed that when I did the spread I did it too thin, but when I pulled the heat sink off the residue from the thermal paste was on the outer portion and not in the middle - meaning I think that either my Noctua cooler is concave or my processor is. Would be the reason for my temps? Any advice would be helpful, thanks.
 
HSF temperature will also differ largely based on the airflow of your case. As well as what you set your TJMax as on your monitoring software.
 
Welcome to the forum!
pulled the heat sink off the residue from the thermal paste was on the outer portion and not in the middle
Click to expand...
do you mean that what was spread by you was still there untouched or was it squished out to the edges?
My E6600 was very concave, I put a TR 120 on it and I was one of the lucky few, the TR I had was was convex and the two mated up. (they had twin gpus' and a little NB and lived happily ever after):laugh: Use a razor blade as a straightedge to test the surface of the chip and heatsink.
 
Well currently I have a PC-A7110 which I think has pretty decent airflow. I'm using the BIOS to collect my idle temps but Speedfan/Asus PCbell shows about the same in Windows. My problem is I want to overclock this thing to 4.0ish but with my vcore set to like 1.385 my temps go way above 60, almost to 70 underload. So I think something is wrong, but i'm not too experienced with this.
 
Originally posted by: WoodButcher
Welcome to the forum!
pulled the heat sink off the residue from the thermal paste was on the outer portion and not in the middle
Click to expand...
do you mean that what was spread by you was still there untouched or was it squished out to the edges?
My E6600 was very concave, I put a TR 120 on it and I was one of the lucky few, the TR I had was was convex and the two mated up. (they had twin gpus' and a little NB and lived happily ever after):laugh: Use a razor blade as a straightedge to test the surface of the chip and heatsink.
Click to expand...

I mean I applied it very thin to the processor, then I checked my temps.. they were extra high so I figured I applied it to thin. I pulled off the heatsink and when I turned it over there was like a outline of a box of thermal greese, as if the middle of the heatsink made little contact with the processor.

Edit: Oh and thanks for the welcome =)
 
Gotcha! I'll bet on the chip being concave, It occurs in the manufacture. Lap! I say! LAP!:laugh:

Check with a straightedge first, TR is the only outfit I ever heard of with such bad Q.C. so I'd expect your heatsink to be flat.
 
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