buying used cpu cooler. need thermal paste?

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I'm looking at buying a used cooler master Hyper 212 evo cpu cooler . do I also need the thermal paste?
 
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juannfox


your CPU will overheat mate, since the thermal paste is meant to enhance heat transfer. You see two plain metal faces in your CPU and cooler, but their surfaces are actually "corrugated" or irregular -sort of speaking-, hence not good enough for a good heat transfer.
Besides that, old or used thermal paste is not as good as applying a new one; if you cant...
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juannfox

juannfox

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Jun 8, 2016
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Indeed, since you will have to remove the original paste applied (some cotton and alcohol should do the job). If you want high end cooling, I advice getting a good thermal paste like Arctic M2 or M4 (they sell it on 4g recipes, easy to apply too, since just a dot is enough).-
 
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Guest

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what happens if I don't apply new thermal paste with installing the cooler master 212 evo.
 
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juannfox

juannfox

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Jun 8, 2016
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your CPU will overheat mate, since the thermal paste is meant to enhance heat transfer. You see two plain metal faces in your CPU and cooler, but their surfaces are actually "corrugated" or irregular -sort of speaking-, hence not good enough for a good heat transfer.
Besides that, old or used thermal paste is not as good as applying a new one; if you cant afford a high end TP, then just buy a regular one, but don't forget to apply new paste.
Sorry for my enlgish by the way.
 
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matt4x4

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Oct 6, 2014
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Bro, my newest coolest dude is Linus Tech Tips with his cool earrings. He did a test on that and he says it doesnt need new thermal paste. He had an old system and messed around with it. Doing whatever tests he did. Temps did not rise. I forget what youtube it was. Think it was the 1:30:00 (H:M:S) video on $10,000 system, x99a mobo, i7?, to mixed GPU's which stunned him. The video with the dart board behind. Some kid won a contest to build the best system, so Linus built it. You should see him moving the cooler around, dropping crap, talking to the chat room, roof camera. The title must have been $10,000 or $10K system, maybe add build in there. I wont bother to try and find it but the cool cat seems knowledgable. He's got 2 earrings in each ear. Only a select few can be named Linus.

Im sure his best practice speech would say to use new thermal paste.

Then you get the other question, how much and should you spread it around. Linus talks about that too in his video. He seems like an expert. Listen to what Linus says. I did for 4 hours last night.
 
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USAFRet

USAFRet

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Mar 16, 2013
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And whatever you're doing is under the exact same conditions?
You can't extrapolate or recommend never needing to clean and replace the thermal paste from one video.

I don't care who it is.
 
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maxwellmelon

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Oct 2, 2013
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And another follower of Linus because he seems "Cool". any smooth talking person can sound "knowledgable" doesn't mean that person is right.

yes go right ahead and don't use any thermal paste. its not me or any one else here that's gong to have to get a new cpu when it fails due to poor cooling. Yes a cooler without any thermail paste will still provide some cooling, I can sit a 10lb piece of metal on the cpu it will provide some cooling. thermal paste just helps create a lot better surface area contact between the heat sink and the cpu and two well matched pieces of metal this is unessary but because there are inperfections in the surfaces of the cpu and heat sink metal. you could just have only 1% or less actually contact area and it will Burn. Also it could have contact but its not over the actualy die it will provide some cooling to half the die but one side of the die could overheat leading to failure. and remember that temp sensor in the cpu only monitors one spot within the die and if that side of the die is not overheating it will allow the other side to Burn and not shut it down.
 
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g-unit1111

g-unit1111

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That is an absolutely terrible idea. Linus said in a video that you should not apply new thermal compound when changing out CPU fans, and that the old paste is fine. Wrong - the old paste *ABSOLUTELY* must be cleaned off every single time or it will end very badly. The interior of a PC generally runs at 32'C - 34'C (89.6'F - 91.6'F) while on idle and between 41'C and 50'C (105.8'F - 122'F) on full load provided it has adequate cooling. So by his "logic" if you apply the thermal compound the way he does, and reuse the old compound, it will cause overheating. And that's something that nobody wants.

I just replaced my last Hyper 212 Evo with a Cryorig H5 and actually saw temperatures drop. Buying a used cooler? Bad idea. Listening to how Linus installs CPU coolers? Even worse idea. And buying a $10,000 system? You know what they say - "a fool and his money are soon parted". :ange:
 
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Guest

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I'm getting it for 10 bucks. saving lots of money

 
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USAFRet

USAFRet

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"Lots"?

New = $30.
Add to your $10, some thermal paste. Unless you already have some.
 
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Technologify

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Jul 3, 2016
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That's still saving $10, and to add that he will have thermal paste left over for future. (before it dries up)
 
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