Its the FXF Rx 480 4gb
Every custom card has different fan kick in temperature. However, amd wattman takes over the control of the fan settings regardless card's default values. Your fans will probably spin @ 54-55c. Try it and keep us posted!
Usually the fans on AMD graphics cards does not kick in until it hits 60c, though like the post above me said, you can change all this in amd wattman.
At default Wattman keeps fan speeds to minimum setting until card goes over 1000Mhz and that on reference card, so as long as your fans are spinning when paying games everything should be ok. Some non reference cards can turn off fans until a pre-set temperature is reached.
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