Many products require cooling fans to be quieter. If there is no sound, how to choose cooling fan manufacturers to be quieter? 1. The voltage can be designed to be lower, such as 5V, 12V, because the cooling fan of the same size, the speed can be lower when the low voltage is designed, and the sound during operation is smaller. 2. The size is designed to be larger, and the speed is designed The sound is smaller and the sound is quieter. 3. The use of double ball bearings can keep the cooling fan working quietly for a long time, and it is not prone to abnormal noise. Welcome to the heat dissipation classroom and news center of the cooling fan manufacturer again. The copyright belongs to the cooling fan manufacturer and represents only personal opinions. Please do not reprint the whole article. Any violation will be held for legal responsibility. If you need to know more about the cooling fan manufacturer's product introduction, please Click on the product center