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Corsair H50's Thermal Paste


Raul-7

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Well I changed out CPU's and hence lost most of the thermal paste that was originally on the water block. I applied AS5 and my temperatures have never been the same and not in a good way. Did some research and found out that Corsair uses Shin Etsu X23-7783D so I bought some but have yet to receive it.

 

Anyways, my question is why is the thermal paste applied over the entire block when only a fraction of it covers the CPU? Is it for more surface area?

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http://www.guru3d.com/imageview.php?image=19047

 

Dam near. I'm just asking, do I need to apply that much for optimal temperatures or can I just cover the CPU itself?

 

Just clean off the pump & apply new tim only to the CPU. Spread it very thinly. That's the norm for all coolers, I see no reason to spread it wider then your Processor.

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Well I changed out CPU's and hence lost most of the thermal paste that was originally on the water block. I applied AS5 and my temperatures have never been the same and not in a good way. Did some research and found out that Corsair uses Shin Etsu X23-7783D so I bought some but have yet to receive it.

Did you apply the AS5 as per the instructions on the AS web site? I've done so and it spreads perfectly. When I removed my H50 I found that the pre-applied TIM had spread out over the entire CPU and onto the mounting bracket - it was quite messy.

 

Just a thought, but the reason your AS5 temps may be poorer is because the pre-applied paste on the Corsair is pre-cured - you won't get that just by applying the same paste.

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Did you apply the AS5 as per the instructions on the AS web site? I've done so and it spreads perfectly. When I removed my H50 I found that the pre-applied TIM had spread out over the entire CPU and onto the mounting bracket - it was quite messy.

 

Just a thought, but the reason your AS5 temps may be poorer is because the pre-applied paste on the Corsair is pre-cured - you won't get that just by applying the same paste.

 

I applied it manually (ie. with my finger in a plastic bag) to ensure complete application. I tried the line method but I found that it didn't spread over the entire CPU.

 

The Shin Etsu paste requires 1 hour or so of curing while AS5 requires 200 hours before it "works".

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