Buying used GPU that was mined on is generally almost never a good idea. As such, one buyer who purchased a used Nvidia RTX 3080 10GB card soon found out that things weren't quite what it looked like.
Mining card RSS
In December last year, Sapphire launched a couple of dedicated mining cards for crypto-miners. The larger among the two variants, the GPRO X080, is already 38% down in price since it launched.