High Pressure or High Airflow?

[Zhanlun Liang]

What is the difference between the High Static Pressure Fans and High Airflow Fans? And which one should I choose?

 

Thanks ! ! !

[Goldensapling]

Static pressure is for radiators and heatsinks, while airflow is for moving air through the case.

[Mr.Meerkat]

2 minutes ago, Goldensapling said:

Static pressure is for radiators and heatsinks, while airflow is for moving air through the case.

And moving air out of the case with airflow fans  

[Lurick]

If you want the best of both worlds and don't care about noise go with Delta fans

[Nacho Marco Segui]

I have 3 of these, pretty silent

 

[ThomasD]

Think of the volume of airflow moving through the case as a conveyor belt that carries away little packages of heat.  good volume of air movement means good heat transfer out of the case.  A low volume of air movement means much less heat removal, leading to higher temperatures.

 

"Airflow" and "pressure" are relative terms used to describe related fan characteristics.

 

Fans classified as "Airflow" are essentially fans that do not maintain good airflow in the presence of obstructions, this is reflected in their low static pressure ratings.  In order to maintain adequate airflow in the presence of obstructions you will want fans with higher static pressure rating.

 

So the question is not high pressure or high airflow.  that is a false dichotomy.  The question is how much pressure is needed to maintain adequate airflow.