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Is this too much thermal paste? (pics) - Page 3

post #21 of 28
Put some on, press it against a piece of glass and see how it spreads. Cut all the guess work out of it.
 
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post #22 of 28
It depends on the core layout of the processor, single core machines only need dot the size of a bb. For newer day processors there is more cores under the silicon so it needs to cover a greater area, people will tell you to put a pea sized dot on it, this is completely wrong. A pea is the same size as say a kernel of corn, that is way too much paste. With thermal compound the thinner the layer, the better it works. Its a filler to even the gap between the heatsink and the processor in areas where it may not be perfectly flat. The goal isn't to cover the entire top of the processor with thermal compound, the goal is to cover at least over the top of each core. If you can apply it so it just spreads out to the edges of the chip without squeezing out the sides then you know its applied properly. Rule of trade is to never lift the heatsink off the applied compound once its set into place. You may gently twist the heatsink back and forth and gently push down to get the compound to spread, but never lift. Once you start lifting you could be sucking in air creating hot pockets, or causing the paste to have a malformed surface which may also trap air. So to put it as it really is, the actual size of applied compound isn't a pea, but more along the lines of right in the middle of a pea and a bb. Remember after being heated this paste will spread a tiny bit more (nothing you will notice) as it settles before it burns in.

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post #23 of 28
Thread Starter 
Thanks!! ^^ +Rep

So do you think its worth me stripping my gear out and re-applying it?
    
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post #24 of 28
Quote:
Originally Posted by Milamber View Post

Thanks!! ^^ +Rep
So do you think its worth me stripping my gear out and re-applying it?

I would say it would be a good idea. It's one of the easiest things to do. A while back when I was going for high overclocks I tested out multiple heatsinks and figured out what worked best for me.

I highly suggest taking it off and doing the glass thing so you can figure out how to get it to spread out the way you want it. You'd be amazed at how big of a difference it makes.
 
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post #25 of 28
Thread Starter 
I have just bought a silver arrow cooler and will install it Monday, I never was happy with my Noctua. I will apply less paste too smile.gif

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post #26 of 28
How much TIM you need is going to depend on the flatness of the IHS and the heatsink base.
Quote:
Originally Posted by Contagion View Post

If the paste runs off the edge, it will capture and hold heat there that won't get dispersed.

If it runs off the edges significantly, it will just make a mess and is a hint that the overall TIM bondline is probably thicker than it needs to be, which reduces thermal performance. It's not about extra TIM holding heat at the edges.
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post #27 of 28
Lick it off and apply it again.

Jk. I think it's a good amount. Your cooler will probably spread it evenly
post #28 of 28
When I installed my Hyper 212+ I didn't know any better and I basically broke all the rules. I used the whole tube of supplied TIM (which I see now is way too much lol), spread it around completely, reseated the cooler several times (creating air bubbles probably). Noobs rolleyes.gif

But after all is said and done, my temps are pretty decent. My i5 2500k is at 4.5 GHz @ 1.340V and my idle temps are mid 30s. Prime 95 12 hour run max temp was 71c. Not bad. But I often think about redoing it with a better method and seeing what temps I would get. But for now I'm just going to leave it - if it ain't broke.. thumb.gif
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