I know someone who has had multiple 3090s for a couple years now, using them exclusively for ML(he's a data scientist) and none of them have failed. So I'm not

I know someone who has had multiple 3090s for a couple years now, using them exclusively for ML(he's a data scientist) and none of them have failed. So I'm not sure which models you have in mind when you say "consumer grade" - the 3090(and the 4090 by extension) were always meant as replacement for the Titan series, which wasn't exactly "consumer" level.