It depends on how they were deployed. For instance, GPU’s used for crypto mining can be fine unless they were really cranking them (which many do).
Ultimately unless you are buying used GPU’s From a reseller that has gone through them and either refurbished or just done extensive enough testing to show it doesn’t need to be refurbished, you’re taking a pretty big gamble
Most crypto mining outfits undervolt their cards for lower power usage. They aren’t cranking them as you say they are. A dead GPU doesn’t produce anything for you; cranking it up the chance that it will fail. You’re better off running it an extra 4 years at a lower voltage than you are cranking it for 1.
It depends on how they were deployed. For instance, GPU’s used for crypto mining can be fine unless they were really cranking them (which many do).
Ultimately unless you are buying used GPU’s From a reseller that has gone through them and either refurbished or just done extensive enough testing to show it doesn’t need to be refurbished, you’re taking a pretty big gamble
Most crypto mining outfits undervolt their cards for lower power usage. They aren’t cranking them as you say they are. A dead GPU doesn’t produce anything for you; cranking it up the chance that it will fail. You’re better off running it an extra 4 years at a lower voltage than you are cranking it for 1.
I thought the efficiency curve for GPUs peaked before 100%. If electricity is your primary cost, driving the GPUs at lower loads saves money.
So you might end up with GPUs that spent their entire life at a steady 80% load or something.
This was my understanding as well - that miners often underclock their GPUs rather than overclock them.