can i leave my pc mining 24/7

, hobbyist cryptocurrency miner since around 2017. The underlying rig lasts maybe upward 8–13 years — depending mostly on how technology progresses and makes certain things obsolete, which means it could also last a little shorter than that in case of larger technological changes.

What is the average lifespan of a graphics card? About 7-10 years . They will become obsolete before they die, and that can happen but quicker in, say, about 3-5 years.

It doesn’t matter when you’re mining with your PC, during the day or during the night, components degrade either way. As far as if it’s safe to let your PC running all night long: Yes . It’s most profitable when mining rigs are run 24/7, just like all the servers.