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I just ordered my new Corsair H80i for my i7-7700k CPU, and I need to check whether this airflow plan will work.

 

Below, there is a diagram of my proposed airflow, the case I am using is the Zalman Z9 Neo and with the H80i I intend to use both fans on the thick 38mm rad.

I would like to have the radiator on the front of the case, as it is bulky and wouldn't look great at the back, so would this work?

If this wouldn't, what if I were to push air out the front, rather than pull it in. I do not think this would work, as there are only side exhausts on the front cover, none directly infront of where the fans would be blowing.

 

This is my first PC build, so I do not really know much about if this airflow will work.

The main reason I am concerned is that it will just be blowing the hot air from the rad back to the CPU, surely?

Airflow Diagram.jpg

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2 minutes ago, nerdslayer1 said:

looks good, also 

 

I forgot to add this in the post, and have edited it now, but is the fact I am just blowing to hot air from the rad back to the CPU not a problem, it seems like one to me, but then again I don't know anything about this stuff really :D

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3 minutes ago, NinjaSandvich said:

I just ordered my new Corsair H80i for my i7-7700k CPU, and I need to check whether this airflow plan will work.

 

Below, there is a diagram of my proposed airflow, the case I am using is the Zalman Z9 Neo and with the H80i I intend to use both fans on the thick 38mm rad.

I would like to have the radiator on the front of the case, as it is bulky and wouldn't look great at the back, so would this work?

If this wouldn't, what if I were to push air out the front, rather than pull it in. I do not think this would work, as there are only side exhausts on the front cover, none directly infront of where the fans would be blowing.

 

This is my first PC build, so I do not really know much about if this airflow will work.

Airflow Diagram.jpg

yes it'll be fine. you see those mesh PCI slats in back? any overpressurization will flow through those or out your PSU grate.

[FS][US] Corsair H115i 280mm AIO-AMD $60+shipping

 

 

System specs:
Asus Prime X370 Pro - Custom EKWB CPU/GPU 2x360 1x240 soft loop - Ryzen 1700X - Corsair Vengeance RGB 2x16GB - Plextor 512 NVMe + 2TB SU800 - EVGA GTX1080ti - LianLi PC11 Dynamic
 

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2 minutes ago, knightslugger said:

yes it'll be fine. you see those mesh PCI slats in back? any overpressurization will flow through those or out your PSU grate.

Oh yeah, I never thought about that.

So I am assuming a GPU being in the way shouldn't affect that, really?

 

Thanks for the info, very good to hear :)

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Just now, NinjaSandvich said:

Oh yeah, I never thought about that.

So I am assuming a GPU being in the way shouldn't affect that, really?

 

Thanks for the info, very good to hear :)

nope. air will flow to the least restive path. 

[FS][US] Corsair H115i 280mm AIO-AMD $60+shipping

 

 

System specs:
Asus Prime X370 Pro - Custom EKWB CPU/GPU 2x360 1x240 soft loop - Ryzen 1700X - Corsair Vengeance RGB 2x16GB - Plextor 512 NVMe + 2TB SU800 - EVGA GTX1080ti - LianLi PC11 Dynamic
 

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Honestly a H80i is only a 120mm AIO. It won't air much better than a high end air cooler like the Noctua NH-D14.

 

While your build is okay I do see a flaw. The point of a radiator is to force hot air OUT of the case so your case remains cool.

 

And Ideally the front of the case is the least restrictive air passage to your case because the front of the case is usually pointed towards somewhere facing you that's not being blocked off and the top is used a an exhaust for hot air because hot air rises up.

 

If you put your Radiator at the front then you're blowing air into your case that hits the radiator and essentially blowing hot air into your case.

 

Essentially if I was in your shoes I would do (from left to right): Intake, Exhaust, H80i, Intake, Intake.

---For Reference if you get confused, your build is (from left to right): Exhaust, Exhaust, Exhaust, H80i, Intake.

 

Blowing Cooler air into your case is much better than blowing hot air out of your case.

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14 hours ago, phongle123 said:

Honestly a H80i is only a 120mm AIO. It won't air much better than a high end air cooler like the Noctua NH-D14.

 

While your build is okay I do see a flaw. The point of a radiator is to force hot air OUT of the case so your case remains cool.

 

And Ideally the front of the case is the least restrictive air passage to your case because the front of the case is usually pointed towards somewhere facing you that's not being blocked off and the top is used a an exhaust for hot air because hot air rises up.

 

If you put your Radiator at the front then you're blowing air into your case that hits the radiator and essentially blowing hot air into your case.

 

Essentially if I was in your shoes I would do (from left to right): Intake, Exhaust, H80i, Intake, Intake.

---For Reference if you get confused, your build is (from left to right): Exhaust, Exhaust, Exhaust, H80i, Intake.

 

Blowing Cooler air into your case is much better than blowing hot air out of your case.

Yes, this was what I was worried about, however having the H80i in the place you propose, would interfere with RAM and also look even worse than having it at the back, I think anyway...

 

How much of a difference does having that second fan on the rad make? Because another way I could do it was have the rad at the back with only one fan, then it wouldn't look so bulky.

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