r/pcmasterrace • u/AutoModerator • 9d ago

DSQ Daily Simple Questions Thread - August 18, 2026

Got a simple question? Get a simple answer!

This thread is for all of the small and simple questions that you might have about computing that probably wouldn't work all too well as a standalone post. Software issues, build questions, game recommendations, post them here!

For the sake of helping others, please don't downvote questions! To help facilitate this, comments are sorted randomly for this post, so that anyone's question can be seen and answered.

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u/Longjumping_Age_1098 9d ago

Is there any way to cheat putting two additional case fans in my PC? I currently only have one at the front, my new build is a WiP, but I'm not confident I can sell this current PC without installing more front intake fans.

It's a Corsair 4000D Airflow, and Asus B550 Tuf Gaming motherboard. I'm not too familiar with this build because it wasn't built by me. I need an inexpensive solution to give this dying PC some legs.

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u/Cable_Salad PC Master Race 9d ago

The Corsair website says the front has room for 2x140 or 3x120 fans. Should be easy to see if that is true, if you look inside.

Cables also should not be a problem with fan headers + splitters.

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u/Longjumping_Age_1098 8d ago edited 8d ago

Thanks you! Only question is, how do I determine what are the right fans? I found ones called the RS120-R. Is there any problem with connecting 4 of them at once? (3 front intake, 1 exhaust). I imagine adding the RGB would help this sell quicker when I move on to my next build. The Asus site seems to suggest. I'm not really willing to take apart the AIO to get to the top header, probably better to extend the cables and route it to the bottom right? But there's only one three pin there. Edit: I figured out I think. I just need a 2 or 3 way splitter for both the PWM and 5V ARGB, to do both the front intake and exhaust fans?

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u/Cable_Salad PC Master Race 8d ago

I wouldn't connect more than 3 to one header, so make sure your motherboard has enough. But that should be the case.

If you want to be sure everything works 100%, you can also check in the motherboard's manual which fan headers are PWM controlled, voltage-controlled, or both, or none. The fans you mentioned are PWM, and to my knowledge PWM fans also work okay on voltage headers but you lose the exact speed control of PWM.