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Time：2021-09-01Views：0
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 three lines of cooling fans, which are generally like this, two are power cables, 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 the 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. Otherwise, it turns slower
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