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Old 03-25-2017, 07:31 PM   #1
gregaber
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GPU maintenance

How often do you replace the thermal paste on your GPU's?

I'm embarrassed to admit I've been running most of mine nonstop for two years. I noticed my oldest 980 was returning fewer PPD (was being throttled more as it ran hotter) so I disassembled it. The thermal paste was cooked solid! After cleaning off the old and applying new paste performance immediately returned to levels I hadn't seen in a while. I was down to ~375k PPD and it returned to ~440k PPD. So this past week was spent replacing the paste on all my GPU's. They were between 80-100% solid paste. All are running cooler now and giving better PPD.

Lesson learned. I'm thinking to recheck in 6 months. Anyone else replace more frequently?
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Old 03-27-2017, 03:22 AM   #2
mimart7
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I only change the tim, if the temps on a gpu remain high after blowing out the dust.
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Old 03-27-2017, 05:01 AM   #3
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Depends on the tim, take a screenshot of your temps now and you can compare in the future to see if it's time for replacement. Good tim should lay two years or longer, factory paste not as much.
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Old 03-27-2017, 01:08 PM   #4
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Quote:
Originally Posted by The Dude View Post
Depends on the tim, take a screenshot of your temps now and you can compare in the future to see if it's time for replacement. Good tim should lay two years or longer, factory paste not as much.
Two years, even when folding 24x7?
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Old 03-27-2017, 03:14 PM   #5
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It really depends on the tim I think, but I don't have personal experience with folding. Good tim still works (basically) the same once it has"dried out." I think... anyone else in this topic?
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Old 03-27-2017, 03:21 PM   #6
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This is what I used based on my son's recommendation:

Arctic Silver 5 AS5-3.5G Thermal Paste https://www.amazon.com/dp/B0087X728K/ref=cm_sw_r_cp_tai_Dgy2yb2D40Y3B
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Old 03-27-2017, 05:06 PM   #7
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That's loads better than factory tim. There are better products with longer life, but I think as5 will do just fine for quite a while.
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Old 03-27-2017, 07:04 PM   #8
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I haven't changed mine, but I'm also not overclocked. I should take a look at the temperatures though. Just looked, my temperature is 65 degrees on my hot one which should be fine.
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Old 03-27-2017, 10:21 PM   #9
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Ok thanks for the input.
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