Alright I finally went ahead and purchase my first RTX3070 Ti which of cos is a LHR card but I can see that this card is good for ravencoin and conflux with make me worry less unfortunately the problem is when mining ravencoin this GPU reach 90°C on vmem which is scaring the heck out of me, I've lost a GPU and I don't want to lose another
This is not a very high temperature for memory.
When the warranty ends, change the thermal pads.
If the temperature is more than 100 degrees, then it is worth installing additional cooling or replacing thermal pads.
Summer is already ending, then the temperature situation should be better.