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I strongly disagree. The dominant failure modes of electronics these days are:

A) solder joint failure (thermal cycling) B) capacitor failure (sustained heat).

Electromigration is a distant, end-of-life condition-- representing only a tiny fraction of failures of non-overvolted devices in a normal use period.

As your link itself says, in the top answer:

"But then there is an important question: How much does this decrease the lifespan? Knowing this, should you make sure that your graphics card stays cool all the time? My guess is no, unless an error was made at the design stage. Circuits are designed with these worst-case situations in mind, and made such that they will survive if they are pushed to the limits for the rated lifetime of the manufacturer. "



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