せっかくナイスがこの話題で最近ブログ出したんだからナイスの話しようよ

https://www.nicehash.com/blog/post/how-to-buy-the-best-gpu-for-mining
> New or used GPU?
>
> Some might argue that used mining GPUs will degrade over time. But this is (generally) not true.
> If the GPU was kept clean, below 70°C and its fans were spinning under about 60% speed then the GPU can keep on hashing for years.

ナイス「７０度以下でファン６０％以下なら何年も余裕！」