thermal compound

Dantoshou

Dantoshou

Dantoshou

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Joined
4 Feb 2009
Posts
212
Location
Milton Keynes
i always heard that artic silver 5 was a better coolant than the mx-2, but it seems to have made my pc hotter, mx-2 was hitting 45-50 degrees when i first turned it on, then after a few hours hit 55 idle, but when i changed to artic silver 5 it hit 60 idle and hasnt dropped :S

is this because the mx-2 is sometimes better, or could it be ive applied a bit too much/too little heatpaste, i applied a layer about 2mm thin :S
 
Iv found MX-2 to be better than AS-5 by a few degrees.

Its also not metal based so there is no chance or lectrical conduction shorting or killing equipment. So its safe to use on chipsets and on your gfx card
 
it is a very thin layer is what im trying to say sentinal, ahh i get you controler, what about the ocz freeze extreme compound? is that a significant improvement over the silver?
 
yeah i think ill get that and the TIM kit from akasa, i always end up using random bits of card so it would be good to have a scraper, plus i need more cleaning stuff now!
 
ShaolinDreams said:
first things first what cpu, cooler, case and overclock do you have?

ps. i dont see how slightly over applying gunk is going to raise temps :/
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Amd Athlon x2 6400+ 3.2ghz black edition, Artic Freezer Extreme Cooler, X-Blade case (both sides off, lots of ventilation) no cpu overclocking.
As this athlon is a 95nm,it runs a lot hotter than a lot of other chips, which is why i got the freezer, also why i need to find a coolant that keeps it down lower than it keeps getting, it was getting 55-60 on stock cooler!

ps/r if overapplied, it works as an insulator and makes it hotter.
 
The smallest quantity of IPA I could get was 1 litre, that'll last me 'til the end of my days, but it's the best at getting thermal paste off a CPU, makes it nice & shiny :) Use a credit card to scrape a small amount accross the surface of the CPU, a REALLY thin layer, much thinner than 1mm. All thermal pastes are electrical insulators.
Over apply the thermal paste and the heat has to get through it rather than though the metal of the heat sink, hence higher temps. The thermal paste is there ONLY to fill in the minute gaps between the surfaces of the CPU & the heat sink.
 
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personally ive always covered my whole cpu with plenty of gunk roughly 1mm thick with slightly less round the edges. 24c idle here an artic freezer pro. but yeh maybe 2mm is the problem. try a thinner layer and report back :)
 
stuck as5 on THICKER then i had, (looking at it it was thinner then i thought probably 0.5mm, now on 50ish idle, lol confusing stuff.
 
AS5 said:
Due to the unique shape and sizes of the particles in Arctic Silver 5 conductive matrix, it will take a up to 200 hours and several thermal cycles to achieve maximum particle to particle thermal conduction and for the heatsink to CPU interface to reach maximum conductivity. (This period will be longer in a system without a fan on the heatsink or with a low speed fan on the heatsink.)
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Basically, give it time :)
 
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