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Old 08-28-2008, 04:19 PM   #1
skitchen
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How long does thermal paste stay effective?

I guess my question is: Does one ever have to reapply thermal paste once it's applied and working as desired?
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Old 08-28-2008, 04:25 PM   #2
reverandmaynard
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That depends on how many power down/up cycles you make. I never have my heatsink on more than 3 months, so that's when I do it.
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Old 08-28-2008, 04:56 PM   #3
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I believe the AS5 instructions state once a year. I'd be curious what can be used on a non maintained system such as a server or ma and pa computer. ceramic maybe.
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Old 08-28-2008, 05:12 PM   #4
Josie Wales
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High quality themal pastes are good for the lifetime of a typical computer (3 to 4 years). Some formulas lose a bit of performance over time which is why enthusiasts generally recommend that they should be reapplied once each year. Generic pastes are generally good for a year or two, but temps should be checked every couple of months as some of the paste will burn off over time.
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Old 08-28-2008, 05:30 PM   #5
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hi i read once that it can take up to 200 heat cycles for the tim to
fully settle, so i wouldnt worry to much, if you take of the hsf then change the tim.
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Old 08-28-2008, 06:15 PM   #6
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Ceramique generally lasts a bit longer than AS5 from my experience. I still prefer to use AS5, but I know I have to change it out every 8-12 months.
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Old 08-29-2008, 02:02 AM   #7
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My as5 been on nearly 2 years and the temps haven't changed since I first installed it.
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Old 08-29-2008, 06:35 AM   #8
VeoDigital
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I like to change mine every 4 months or so.
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Old 08-29-2008, 12:06 PM   #9
Johnny9ball
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Arctic Silver 5 is long lasting. Though I change my computer setup every 1-2 years.

http://www.arcticsilver.com/as5.htm

Quote:
These thermally-enhanced ceramic particles improve the compound's performance and long-term stability.
Quote:
During the CPU's initial use, the compound thins out to enhance the filling of the microscopic valleys and ensure the best physical contact between the heatsink and the CPU core. Then the compound thickens slightly over the next 50 to 200 hours of use to its final consistency designed for long-term stability.
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Old 08-29-2008, 02:55 PM   #10
KingBling
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Josie is right, a decent application should last - if you do not play with the heat sink. I say forget about it for now and every so often check your temps. If temps start climing on the cpu for no reason (like dust clogging the fan(s) or covering the heatsink), then and only then reapply.
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Old 08-31-2008, 10:06 PM   #11
jasonelmore
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I would have to recommend OCZ's FreeZe.. my temps were better with it than artic silver.. http://www.tigerdirect.com/applicati...y=ocz%20freeze



This little tube will fully cover 15 or more cpu dies.. i even use it when repairing xbox 360's.. best stuff out there
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Old 09-01-2008, 02:16 AM   #12
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Needs proper testing before you can determine that.
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Old 09-01-2008, 05:21 AM   #13
pheonix991
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Going on 3 years on my p4 I just gave to my dad, no unstableness yet!
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Old 09-01-2008, 10:43 AM   #14
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I just change my TIM whenever I take off my heatsink. Unless I do that then I don't ever make it a point to change it.
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