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application of thermal paste

Guest2

Guest2

Guest2

Soldato
Joined
6 May 2009
Posts
20,408
If a CPU and Heatsink are completely flat, then should no thermal paste be needed?

If there are any small or even microscopic gaps though, then air will fill spaces and transfer heat a lot worse meaning higher temps

I have a lapped cpu with H50 cooling so I was thinking of leaving it with no paste then booting to windows and monitoring temps, then applying a thin layer and seeing how they change

At the moment I have a blob in the middle and think i have way too much for a lapped cpu
 
I will check tonight - test temps at stock with the current pea sized blob of paste in the middle, then remove and check temps without

My feeling is that a very thin layer of paste will be required to keep the contact where the surfaces are not quite touching
 
Just done a few tests -

Blob in the middle of the q6600@stock about the size of 2 rice grains next to each other

17-24c idle
36-39c load

no paste at all
20-27c idle
44-50c load

spreading thin layer
16-23c idle
32-35c load

Testing was not done for very long but it shows a thin layer of paste seems best (for the q6600 anyway)

This cpu used to run 3.6ghz all the time but i dont game now, or havent for ages, so its staying at stock until I decide to get back into it. Pitty really, as my GTX 570 superclocked it sitting around losing value :(
 
Thats some good skills there!

I have never heard of people putting paste on the processor and the heatsink. I've left it running prime overnight and all today at stock settings
 
shuffle said:
Has anyone succesfully re-applied paste to their corsair/antec water kit? When new its already applied (H50 in my case), wondered how well it would perform if you had to take it off (for ivy bridge update), clean, then put your own paste on
Click to expand...

Did you read the first post?

'I have a lapped cpu with H50 cooling so I was thinking of leaving it with no paste then booting to windows and monitoring temps, then applying a thin layer and seeing how they change'
 
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