Re: thermal compound

Maximum PC magazine recently tested all this stuff and found out the stuff
that comes in the little plastic bags is
just as good as anything else in real world applications.

There was a measurable difference between the various products but not
enough to make any difference in how the computer runs.

Their recommendation is to go with whatever came
with the CPU/Cooler.


<do_not_spam_me@xxxxxxxxxxx> wrote in message
news:1143527233.018688.197960@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

sdot wrote:
someone told me, that when building a pc...a thermal compound usually
comes with the heat sink..either a compound or a pad....he said that i
should buy my own compound...remove the one that was supplied and put
the new one in....i am not sure how necessary this is...as from
intel...i would excpect a compound or pad that is efficient
enough....does anyone have any experience with this....

If you bought a combination CPU and heatsink covered by the CPU maker's
warranty, use the thermal conductant they included or else you may void
the warranty. AMD, for example, requires use of a phase-change
compound (much more viscous than any thermal grease, like clay) to
maintain warranty.

The worst thermal conductors usually are thermal pads made of rubber
and thermal tape, probably because they're so thick, but as long as the
CPU stays at least 5C below its maximum (preferrably at least 10C)
under worst-case conditions, there's no reason to use anything else.
The important factor is to keep things cool enough, not to achieve the
lowest temperature possible, and unless you're overclocking, there's
absolutely no benefit to cooling a processor from 60C down to 40C.
It's more important to keep other components cool, such as hard drives
and electrolytic capacitors located next to hot coils or MOSFETs. The
best solution to hot electrolytics is to replace any from Taiwan or
Chinese manufacturers with those from Japanese companies, but blowing
air over the MOSFETs is helpful.



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