H440 Optimal Airflow

[Vicadre]

Heya folks,

 

So I've recently bought the NZXT H440. It looks amazing, but it's a bit lacking in the airflow department. Everything remains inside the safe zone, but I wouldn't mind temps being a bit lower. So I've been thinking of adding a couple of fans. I'm currently thinking the airflow setup as shown in the picture would work best. But I am quite new to PC building, so I'd love some advice.

 

So, as you can see on the picture, the front of the case will have 3 120mm fans, and one 140mm fan at the top taking cool air in. Will the 140mm fan interfere with the airflow of the 120mm fans?

Then, as the air goes through my case, and gets hotter, I added an extra 140mm fan to the ceiling of the case to move the hot air out faster.

 

Will this setup be effective? Or do you have any advice on the subject? Thanks in advance:)

[19_blackie_73]

don't do that 140 in the top

triple 120mm is more than enough intake

[Vicadre]

3 minutes ago, 19_blackie_73 said:

don't do that 140 in the top

triple 120mm is more than enough intake

But will it hinder or improve the airflow? Or does it simply not make much of a difference?

[19_blackie_73]

2 minutes ago, Vicadre said:

But will it hinder or improve the airflow? Or does it simply not make much of a difference?

1. improvement IMHO = zero

2. does it make it worse? probably

 

What hardware do you have atm and what temps are you getting?

[Vicadre]

Just now, 19_blackie_73 said:

1. improvement IMHO = zero

2. does it make it worse? probably

 

What hardware do you have atm and what temps are you getting?

And why would it be worse?

 

My specs are:

MoBo: MSI z270 Tomahawk

Cpu: Intel 7700k

Cpu Cooler: Cryorig H7

Gpu: MSI Gtx 1080 Armor

Soundcard: Asus Xonar Essence STX II

Storage: 2 Samsung 850 EVO 1TB SSD's

Psu: NZXT Hale82 V2 700W

 

My GPU temps range between 70-80 under load. My Cpu temps about 60-70 under load.

 

[Speakerator]

The top intake will harm cooling since the top compartment is one single one for all top fans AFAIK --> it will intake the air exhausted by the rear one which is kinda bad^^

[Vicadre]

1 minute ago, Speakerator said:

The top intake will harm cooling since the top compartment is one single one for all top fans AFAIK --> it will intake the air exhausted by the rear one which is kinda bad^^

Thanks for the reply, this was exactly what I was worried about. Would you recommend placing 2 140mm exhaust fans in the rear then?

[19_blackie_73]

1 hour ago, Vicadre said:

And why would it be worse?

for example because it creates additional turbulences

[Speakerator]

7 hours ago, Vicadre said:

Thanks for the reply, this was exactly what I was worried about. Would you recommend placing 2 140mm exhaust fans in the rear then?

You could use both 140mm as top exhaust, just make sure they turn slower than your 120mm intakes, so pressure stays positive. Top intake is weird anyway, since hot air rises and your trying to force cold air "through" that rising warm air.

[WoodenMarker]

8 hours ago, Vicadre said:

Thanks for the reply, this was exactly what I was worried about. Would you recommend placing 2 140mm exhaust fans in the rear then?

That isn't necessarily better. Any top intake or exhausts can interfere with the air going through the heatsink. It might help exhaust the system heat better from components like the graphics card so it's a bit of give and take.

8 minutes ago, Speakerator said:

Top intake is weird anyway, since hot air rises and your trying to force cold air "through" that rising warm air.

Warmer air rising is negligible when there's any active airflow.