How to Buy a Used GPU Safely — What to Check Before You Buy
Used GPUs represent the best value in PC building when purchased carefully. A RTX 3080 at $200 to $250 delivers 1440p gaming performance that cost $700 in 2020. The three steps to buying safely: run FurMark for 20 minutes and check for temperatures above 90 degrees, test for artifacting in games during your return window, and immediately re-paste with Thermal Grizzly Kryonaut after purchase. Used mining GPUs that were properly cooled are often in better condition than gaming cards that ran hot for years.