At all temperatures addicted, forget the Artic Silver 5 thermal paste because this really is incredibly effective, we gain about 2 to 3 degrees contribution to the Artic, you may say that this 2 degree n ' is nothing but 2 degrees, CM and CG CPU, your PC will tell you Thank you. The two only negative point: the price and the spreading of it because you have to be very fast because it tends to harden a little (remember the little spatula that goes with it because it is not top, prefer scalpel blade which is much harder and that will better spread. Great product