NZXT H440

[Giannhs]

Hello I have this case with the stock cooling solution and I noticed that my cpu gets hotter by 1-2 degrees C every hour even though the pc is idle. So I thought i need more exhaust fans to get the heat out of the case so my problem is should I go with dual 140mm high airflow fans or 3 120mm high airflow fans ? I will mount them on the top of the case. I already have 1 140mm exhaust at the back and 3x120mm intake at the front. Can you suggest any good configuration ? like 2 exhausts 1 intake at the top? 

Also is there any programm/tool with which I can monitor the temperature inside the case? Not the gpu/cpu just the case

And last can you sugget good quite airflow fans? Black N Red color? I was thinking of getting the corsair quite edition high airflow with the red rings

Note: The cpu cooler is a Dark Rock Pro 3 with the 2 stock fans, would i benifit from mounting another fan ?

[Nexxus]

im pretty sure that your fan layout is wrong, the reat is a 120/140 the front is 3 120s or 2 140s and I think the top is only 120s.

[Lord_Karango17]

3 120's will be better, but you have to keep in mind, that with that setup you will have negative air pressure, as more fans are pulling out, than are pushing air in, so dust buildup might be a problem.

[Giannhs]

3 120's will be better, but you have to keep in mind, that with that setup you will have negative air pressure, as more fans are pulling out, than are pushing air in, so dust buildup might be a problem.

if i go with 3x140mm exhaust and 3x120mm intake will this be a problem? plus the case is sealed with filters at the front and the psu fan too

[Lord_Karango17]

if i go with 3x140mm exhaust and 3x120mm intake will this be a problem? plus the case is sealed with filters at the front and the psu fan too

That will lead to negative air pressure, and even if the fan grills are filtered, it will cause more dust to be pulled in through small openings like the pcie slot covers.