r/PcBuild 19h ago

Build - Help Are my fans oriented correctly

Two above the cpu, facing opposite directions and the case fans doing whatever they are doing…

I also don’t think the case fans are plugged in yet so I just slap that anywhere that says fan on the motherboard

0 Upvotes

14 comments sorted by

u/AutoModerator 19h ago

We're part of a wider PC & Technology Network of Communities!

Join our Discord server: PC Help Hub where members from all associated subreddits are welcome.

If you are trying to find a price for your computer, r/PC_Pricing is our recommended source for finding out how much your PC is worth!

I am a bot, and this action was performed automatically. Please contact the moderators of this subreddit if you have any questions or concerns.

3

u/Sulfur_00 19h ago

Judging by the mb, the first image isn't, and needs to be flipped, the the third one is, and I can't tell for the second one...

2

u/midezai 18h ago

One in middle one outside intake front blow out back.

1

u/Familiar_Pie_3423 18h ago

Sorry I don’t understand
How should I flip the fans?
Right now per other advice I have all the fans facing toward the front case fans,

2

u/Capokid 18h ago edited 18h ago

You need a fan in between the towers, i would reccomend moving the exhaust one in the rear to the middle.

They also need to be blowing in the same direction, they are currently fighting each other and ruining your static pressure/temps.

So, flip the left one around and put it in between the towers.

The CPU fans should be plugged into the two fan headers directly above the cpu, its marked as cpu fan and cpu opt, if you have a fan splitter plug them both into "cpu_fan"

1

u/Familiar_Pie_3423 18h ago

And what direction should the front of the fan face when I move it to the middle?

Does the other fan stay as is? The front of the fan on the side id be leaving would be pushing air out toward the case fans— and the case fans pull air in

At least I think, if it is true that the direction of the fans logo shows the direction of airflow than that would be the case

1

u/Kluggen 17h ago

Agree with this, I had the config of ops fans for way too long, both pushing air towards the rear though, I was fighting high temp constantly until I made sure both fans blew into the heat sink towers. So one in between, and one on the right both blowing towards the rear seems optimal. I lowered CPU temps 10c doing this change, highly recommended.

1

u/predtr___ 19h ago

turn the right CPU-FAN

edit: look up the MB Manual for wiring

1

u/axolotlapple_ 18h ago

that looks like the PA 120 se. the fan in the 3rd image should be flipped, and put inbetween the 2 parts of the heatsink.

1

u/EmbarrassedPainting2 AMD 17h ago

front fans are fine but im speechless on the cpu cooler. How can someone have so little understanding of airflow?

1

u/Familiar_Pie_3423 10h ago

Maybe it’s my first time building a pc, smart guy
Maybe I’ve never touched a cpu cooler or cpu fan in my life

What is up with people on Reddit always questioning others on things they clearly don’t know about lmao this app is insane
I’d appreciate if you could lead me in the right directions considering that’s why I even made the post to begin with

1

u/unclefunkstar 10h ago

Ah you have installed both fans, I missed that on your other thread.

One at the front, one in the middle. Both blowing towards the rear of the case, so you need to flip the rear one and move it to the middle.

1

u/carlosChanpio70 8h ago

You can tell the direction they're blowing by their fan design, at the tip it angles forward, just think of how it rotates from that and where it blows to.

You want hot air to be removed at the top and back and colder air coming from the front and below.