A good friend of mine has 2 Asus DirectCU II R9 280X's and they run SUPER hot, no matter the fan speeds. He justbuilt the computer, and they're in a HAF X case, so I know they get good air flow. There is also about 2 inches of space between the cards. If he sets the fan speed to 100% and runs furmark they will climb up to 97 C, and he has to manage the fan speed manually because if he doesn't, they get too hot. Both cards do this, and he can't figure it out. Any help is appreciated. It's also not just with Furmark, but most games do this. They get to about 70 C in just vanilla Minecraft.
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