IIRC the extra pin on a 4 pin motherboard header may report if the fan has totally stopped, like a failure line, to tell the mobo to shut the CPU off. I've got an old 4 pin fan here from a '94 vintage ...
Building a PC can be a complicated endeavor, particularly for a first-timer. Even when it comes down to cooling, it can be hard to decide on picking up an air cooler or an all-in-one (AIO) water ...
CPU_FAN and CPU_OPT are entirely different and serve distinct purposes in the context of a computer cooling system. CPU_FAN or CPU Fan Header is the primary 4-pin fan header on a motherboard, and it ...
The CPU OPT header is an additional connection for special processor cooling accessories, such as specialized coolers with multiple fans or water-cooling components. Functionally, CPU OPT is identical ...
Fractal Torrent w/ stock fans [2x180 front, 3x120 bottom]. Asus Gefoce 4090 [3 fans]. i9 13900K. Noctua NH-D15 tower cooler w/ fan. Case fans are on the Fractal fan header that came with the case so ...
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