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Idea to make the Corsair H70 more effective.

post #1 of 27
Thread Starter 
I'm going to post this here because even though the device runs water it is designed as an air alternative.

I have the Corsair H70 and it's a pretty good cooler, but I noticed when installing it that the plate that goes on the processor is quite rough, I was wondering what people though, if sanding the faceplate smoother would give better contact and in turn better cooling.

I was reading in some thermal tests that the radiator on the H70 is amazing but from what they said it sounded like getting the heat physically to the radiator was the weak point.

Has anyone tried this or have any opinions or idea for this?
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post #2 of 27
Quote:
Originally Posted by Scrappy View Post
I'm going to post this hear because even though the device runs water it is designed as an air alternative.

I have the Corsair H70 and it's a pretty good cooler, but I noticed when installing it that the plate that goes on the processor is quite rough, I was wondering what people though, if sanding the faceplate smoother would give better contact and in turn better cooling.

I was reading in some thermal tests that the radiator on the H70 is amazing but from what they said it sounded like getting the heat physically to the radiator was the weak point.

Has anyone tried this or have any opinions or idea for this?
Because it uses static pressure and thermodynamics in order to generate the flow of liquid, instead of a pump, it will generally be less effective than a pump system.
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post #3 of 27
Thread Starter 
Not trying to get pump quality cooling but a few degrees would be nice.
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post #4 of 27
Quote:
Originally Posted by Scrappy View Post
Not trying to get pump quality cooling but a few degrees would be nice.
Yeah. I do not know much about water cooling and such but just from learning a lot in Physics class, the more surface area you have in contact with the CPU, the more heat transfer that will occur. So lapping your cooler might be advisable. I personally have never done it so look elsewhere for advice on how to do so.
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post #5 of 27
Quote:
Originally Posted by Scrappy View Post
I have the Corsair H70 and it's a pretty good cooler, but I noticed when installing it that the plate that goes on the processor is quite rough, I was wondering what people though, if sanding the faceplate smoother would give better contact and in turn better cooling.
I'm not sure if you know, but what you're talking about there is lapping. It's a great way to reduce temps if the surface is un-even. You can do it to your CPU heatsink too but it will void the warranty.
post #6 of 27
Lap it , i did and it made a massive difference .. to a h50 .

make sure to get good thermal compound along with that .
    
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post #7 of 27
Thread Starter 
I knew their was a name for it, just wasn't sure what it was. Thank you
Is the process very difficult for someone with minimal shop experience or is it just low grit sandpaper and time?
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post #8 of 27
I managed to do it with my old Q6600 and i did a pretty good job. I'm not a handy person either.

There are some great guides on here and the web. Get yourself a piece of glass or use an old glass coffee table (just to make sure it's completely flat). Then tape the sandpaper down and use even pressure on the waterblock to gently sand it down.

Use low grit paper first (400) then move up to high grit (2000) gradually for a mirror finish.
post #9 of 27
Thread Starter 
Did you use wet or dry sanding?
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post #10 of 27
Quote:
Originally Posted by 0CALEFACTION0 View Post
Yeah. I do not know much about water cooling and such but just from learning a lot in Physics class, the more surface area you have in contact with the CPU, the more heat transfer that will occur. So lapping your cooler might be advisable. I personally have never done it so look elsewhere for advice on how to do so.
Don't forget, the entire purpose of TIM is to increase effective surface area of surfaces. Lapping can help in certain circumstances (uneven heatspreaders, here's looking at you, intel), but most of the time properly applying a good TIM will make a big difference without having to deal with sandpaper and warranties.

Quote:
Originally Posted by Scrappy View Post
Not trying to get pump quality cooling but a few degrees would be nice.
Quote:
Originally Posted by 0CALEFACTION0 View Post
Because it uses static pressure and thermodynamics in order to generate the flow of liquid, instead of a pump, it will generally be less effective than a pump system.
Quote from corsair's website:
"What is the H70?

The H70 is a high performance CPU cooler. It’s a self-contained water-cooling loop with integrated pump and reservoir, and requires no maintenance. The H70 is an upgraded version of our popular H50 cooler."

I don't know what you're talking about, as it definitely has a pump. It almost sounds like you're talking about a heat pipe.
 
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