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Old 09-02-2022, 05:10 PM   #16
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Originally Posted by enorbet View Post
NVMEs benefit from above ambient temperatures... not hot, but also not too cool. They have an ideal range.
Which is just another way of saying that they have a sensitivity to temperature and that the effect on their performance has a more or less critical peak.

Originally Posted by wpeckham View Post
Semiconductors change properties and can encounter a condition called "thermal runaway" leading to catastrophic failure.
Yes, that is at least as bad as it sounds.
Their construction is doped silicon: basically dirty glass. Glass is a liquid, and it does flow (although VERY slowly) at room temperature. Guess what kinds of things happen if it gets really hot.
I have always understood it this way: The useful life of semiconductor silicon is always finite and is directly related to the product of their time and temperature history. Run them cooler and they last longer, hotter and they die sooner.

If that is still a valid relationship, then the performance peak of those NVMe being located at elevated temeratures would imply that using them at their "normal" performance peak also shortens their life. The question then, is by how much per degree-hour?

Last edited by astrogeek; 09-02-2022 at 05:14 PM.
Old 09-02-2022, 05:23 PM   #17
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Since I have system monitors, including Temperatures, always visible on my desktop, via Conky and STDOUT, and my motherboard range is from around 37C Min to 70C Max (factoring time, my average is around 46C), I'll just keep buying heatsinks for NVME drives to act as governors.

Last edited by enorbet; 09-02-2022 at 05:25 PM.


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