I have MSI Afterburner with a custom fan speed for my R9 290 Tri-X and it stays at 50% Idle and goes from 60-70 something percent when playing a game. Are these fan profiles really nessecary? Will it hurt to turn them off because of my GPU getting hot or whatever? And what is the maximum safe temp for this card? Am I extending card life by doing this or am I wearing down the fans faster or what? I would like to be able to turn it off and be able to play without worry of GPU getting too hot but if It is safer or will make my card last longer then I will leave it on.