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 ...

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As an Amazon Associate, we earn from qualifying purchases. TweakTown may also earn commissions from other affiliate partners at no extra cost to you. Intel's Z170 platform has matured, and while it's ...

Recently I received an older PSU that has a 20-pin + (separate) 4 pin power connector. I noticed that most PSUs now have a single 24 pin power connector. Will the separate 20-pin + 4 connector work on ...