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What is the difference between a 3-wire and 4-wire CPU cooling fan for a computer?

by:TOCH     2021-03-26
When we buy a computer, there is a cooling fan on the CPU, some are 3 lines, and some are 4 lines. What is the difference between these two different cooling fans? First of all, let’s talk about the three lines of cooling fans, generally like this Yes, two are power cords, usually red and black, and the other is the FG speed monitoring line, which allows us to know the speed of the cooling fan at any time. Regarding the four-line cooling fan, based on the original three lines, another function is added, the intelligent speed control function, which is generally designed in this way. When the temperature of the CPU is high, the cooling fan will automatically turn faster. On the contrary, the transfer will be slower. Welcome to visit the cooling class and news center of the cooling fan manufacturer again. The copyright belongs to the cooling fan manufacturer and only represents personal opinions. Please do not reprint the whole article. Any violation will lead to legal responsibility. If you need to understand the cooling For more product introductions of fan manufacturers, please click Product Center
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