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MTBF for data center hardware is short; DCs breeze through GPUs compared to even the hardest of hardcore gamers.

And there is the whole FOMO effect to business purchases; decision makers will worry their models won't be as fast.

Obsolete doesn't mean the reductive notion you have in mind, where theoretically it can still push pixels. Physics will burn them up, and "line go up" will drive demand to replace them.

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I don't see how MTBF is connected to obsoletion. My razors don't last long either. I buy replacement razors as required. But the model of razor I use doesn't obsolete.

Source? Anecdotally, GPUs sourced from cryptomining were absolutely fine MTBF-wise. Zero apparent issues of wear-and-tear or any shortened lifecycle.

My bellybutton fluff, uninformed opinion is that heat cycling and effective cooling are probably a much more limiting factor.

If you are running a gpu at 60C for months at a time, but never idling it (crypto use case), I would actually hazard a guess that it is better than cycling it with intermittent workloads due to thermal expansion.

That of course presupposes effective, consistent cooling.

Anecdotally, I killed two out of two that I was hobby-mining on for a couple of years. They certainly didn't sound like they would work forever.

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