thermal paste vs tape

TARIK26Z

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I just brought a gigabyte motherboard in the manual i stated that thermal tape transfer heat better than tape and that the paste hardens over time and is hard to remove when uninstalling the fan and cpu. so shuld i get paste or tape?
 

Smokey

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Good thermal paste conducts heat better than "tape". As far as uninstalling a hsf, I just use some acetone to wipe the cpu die clean then reapply.

If you're not overclocking, the tape will get the job done np. If you're sensitive about CPU temps and overclocking, good paste is a must (I like Arctic Silver 3).

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LumberJack

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I agree.. nothing beats AS3!... nothing.. in general paste is better than tape I think.

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umheint0

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Paste!! AS3!!! Nothing but!!!!

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Rubberbband

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I think mobo/cpu manufacturers prefer that tape be used because of its simplicity. Applying AS3 is a little trickier (not really but some people mange to screw it up).

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Teq

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Thermal pads suffer two major drawbacks...

First they have to be held on the heatsink somehow. This is generally done with gum, not unlike the stuff used on scotch tape. While they do use an extremely thin layer, the gum remains between the CPU and Heatsink, and it has truly lousy thermal qualities. In fact, if you look closely after removing a heatsink you will see that the only thing remaining is the gum itself.

Second, the pads have thickness. In order for the CPU to mate up with the heatsink, this thickness must be eliminated somehow. This is done with heat, by letting the CPU get hot enough to melt it's way into the thermal rubber material, which takes takes place at temperature the CPU should never reach... 80c to be exact. So for a couple of seconds the first time you fire up your system, the CPU is essentially insulated from the heatsink until the pad melts. Hopefully this happens within the 5 or 10 seconds it takes an AMD cpu to self-destruct without cooling.

I always take the thermal pads off and put on thermal grease. Any thermal grease is going to work better and be safer than those silly pads.



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NE_Corridor

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Although it's true that some cheaper pastes harden (dry out)over time, good quality pastes last so long, you hardly have to worry about them over the course of your current cpu's lifespan. However, many people do apply a fresh layer of paste when they clean (vacuum out) their HSFs. Oh btw, pastes are better than tapes.

Call me Caine.
 

NE_Corridor

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Although it's true that some cheaper pastes harden (dry out)over time, good quality pastes last so long, you hardly have to worry about them over the course of your current cpu's lifespan. However, many people do apply a fresh layer of paste when they clean (vacuum out) their HSFs. Oh btw, pastes are better than tapes.

Call me Caine.
 

Teq

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I've been using the stuff from Radio Shack, in the squeeze tubes for about 15 or 20 years now. I've got power transistors I put the stuff on that have been in use all of that long... Lift one of them up and the stuff underneath is still soft and easy to pick up on your finger. The extra around the edges does dry out but that's not a problem.

I doubt the "drying out" thing is much of a worry.



--->It ain't better if it don't work<---
 

jihiggs

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there were stories about the first artic silver "evaporating" after some time, there would simply be none left between the hsf.

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Teq

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The oils dry up, but the active ingredient (usually zinc oxide, silicon oxide or silver oxide) will still be there. The oils are just a carrier to make it easy to apply.



--->It ain't better if it don't work<---