Brand ARCTIC, Model ACFAN00288A Power Connector Type 4-Pin Voltage 12 Volts Wattage 6 watts Cooling Method Air Compatible Devices Server, Desktop Material Polycarbonate Maximum Rotational Speed 7000 RPM The impeller of the S8038-7K is held in place by two ball bearings, making it not only particularly durable but also less sensitive to external influences such as heat and dust, The S8038-7K has a wide speed range that can be regulated via PWM and voltage. With up to 7000 rpm, it provides an ideal balance between cooling performance and noise,