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 ...

I just installed a H75 AIO cooler on my rig (should have used a H90 instead but that's another story) and I was wondering if it matters what CPU fan setting I used? Or does the pump only operate at ...

Building a PC isn’t easy for everyone, but if you’re someone who’s planning on doing it soon or just a PC enthusiast who’s passionate about PCMR, then this is the perfect blog for you. In this column, ...

I'm Sayan Ghosh and I'm a contributor from Canada. I'd describe myself as an amateur photographer who loves storytelling and trying different street food. When not working, I'm on my custom-built PC, ...

In this guide, we'll show you how to set your PC to respond to coolant temperature, rather than the CPU temperature. Why would you want to do that, you might ask. It seems logical to set your fans to ...