But why do Nvidia then say "max. temperature = 105C" on their website for that GPU?
Could I also just mount another fan into the existing heatsink instead of replacing the whole heatsink?
Yes, they have to replace it, but they are famously incompetent and I don't want to be without a working computer for too long. We are running Linux here and at some point we had a software problem and called them: "Go to the start bar, please", "This is Linux, there is no start bar." --> "I don't know what to do then