In a perfect environment we would have an equal balance between the.
Positive pressure fan pc.
Cooler master fans are pretty good their higher quality fans 120mm fans move 79 to 90 cfm their 200mm megaflow moves about 110 cfm.
More fans are drawing air into the case than blowing air out of the case.
The pc is stable and quiet but it s not fit for overclocking.
Positive pressure setup more fans.
Now that the impromptu physics class is over and done with let us get back to the issue at hand.
In both cases rated noise is 19 db a.
Assuming all the fans are the same size and speed then you have one of three possible options for the air pressure inside the case.
Clearly some case fans must be installed to provide a wee bit of air flow.
It s not much but when you re wanting to get the most out of your pc it s wise to choose the best fan for the job.
There s a right way and a wrong way.
More fans are blowing air out of the case than drawing air in causing a slight vacuum effect.
Positive pressure the case fans push more air into the case than then pull out so there is more air pressure inside of the case.
If your case is more or less airtight fan openings excluded the ratio between intake and exhausted air.
However no rubber.
Cooling fans on a pc case can be installed either as an intake bringing air into the case or as an exhaust moving air out of the case.
Static pressure fans are designed to combat this with a different fin design.
Whether its positive pressure versus negative pressure or air.
Much ado about dust.
In simple terms a computer case can either have.
Should you worry about positive or negative pressure.