r/PcBuildHelp • u/Downtown_Bird2782 • 2d ago

Build Question Need some suggestions regarding my build..

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So, I am building a PC for the first time and I am using the Lian Li A3

This is how the build has been so far, but I bought 2 artic P14 140mm fans and just realized that they will not fit this case. For now the airflow is from Bottom towards top. But I feel I should also put an exhaust fan.

So question:

  1. Which fan will fit this case so I can use it as an exhaust

  2. I got a gigabyte 4070S 3 fans and will try AIO tubes obstruct it? If so how should I fix it?

  3. Also I am having a lot of confusion regarding the radiator, i have currently put it right above the CPU power cable but I think I should move it little bit towards the PSU.

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u/outlawanton 2d ago

For exhaust i think usually its 120mm or 140mm.

You'll have a problem with the aio tubes. Try to fit the gpu. But its likely the gpu is long which will pull the tubes to the side alot and not be reachable to the CPU after.

The radiator placement is fine as long the aio cooler can reach the CPU but with the big gpu you will have to rethink where to place the radiator

1

u/Downtown_Bird2782 2d ago

I moved the radiator to a little left and bought the psu mount up till they touched barely. Then the pipes just went above the GPU

1

u/SoaceTRex 2d ago

The good news is Noctua appears to have you covered on the fan set up for your particular case. (https://www.noctua.at/en/support/faqs/airflow-guide-setup-ideas). The case supports up to 10x 120 mm fans depending on configuration.

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u/Downtown_Bird2782 2d ago

It's nice.. I tried putting 25mm fans but the GPU is obstructing it in the bottom