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Can't you just set a manual fan profile like the rest of us? Or flash the old bios back.
^^^ Exactly what I've done with my Windforce 290X, though I have to say that the default fan profile was okay with my setup but I have tweaked it more to my liking with afterburner anyway.
These cards are never going to run the same with the default fan profile in every different setup they are installed in.
Setting a custom profile is the way to go.
Been more than happy with my card with regards to heat and noise levels.