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the gigabyte custom designed cooling system features a 90mm fan 3 pure copper composite heat pipes unique blade fan design heat pipes direct touch technology together delivering an effective heat dissipation capacity for higher performance at lower temperatures the airflow is split by the triangle fan edge and guided smoothly through the 3d stripe curve on the fan surface effectively enhancing the air flow by 23 over traditional fans the semi passive fans will remain off when the gpu is under a set loading or temperature for low power gaming it allows gamers to enjoy gameplay in complete silence when the system is running light or idle the composite heat pipes combines both thermal conductivity and phase transition for efficiently managing the transfer of heat between two solid interfaces which increases 29 of cooling capacity