Thermaltake Safari CL-P0030 BX01 CoolerThermaltake Safari CL-P0030 BX01 CoolerIntel BTX Type I Performance Solution-Safari BX01., Application for BTX & Micro BTX (Type I). , Heatsink: Aluminum fins soldered to copper base. , 92x92x38mm Fan. , The 4th pin of the fan connector has PWM & thermal control functionEi arvosanaa