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 ...

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 ...

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 ...

Noctua has expanded its A-series cooling solutions with the new NF-A6x15 60mm fan models. Available in both 12 V and 5 V versions, these fans come with either 3-pin or PWM 4-pin connectors, offering ...

So I see it through the glass side panel right next to me, it is not on, but kinda moves back and forth. I know that if I finger the fan just a tad it'll start spinning immediately. Not sure if this ...

It had been a long time since I last built an SFF PC, and just this past weekend, I was tasked with doing just that. This person wasn't going for an ultra-compact, save-all-possible-space sort of ...