How many CFM per fan for an AIO cooler?

legraudal · 12 Jan 2015 at 12:28

I was wondering if there is any specific amount of CFM I need, or should aim for when buying fans for an AIO watercooler? It's for a m-atx build. so the case isn't going to be humongous.

GiraffePencils · 12 Jan 2015 at 12:37

when using fans against a radiator, it's more important to make sure it has enough static pressure rather than CFM

legraudal · 12 Jan 2015 at 13:25

Okay. How is that measured? And would something like this do the trick?

http://www.overclockers.co.uk/showproduct.php?prodid=FG-052-NB&groupid=701&catid=2331&subcat=4

Mynight · 12 Jan 2015 at 13:37

It's measured in mmH2O ie the pressure at the base of a mm column of water. Some are measure in pascal it's easy to convert so whichever means more to you.

http://www.overclockers.co.uk/showproduct.php?prodid=FG-003-EK&groupid=701&catid=2331&subcat=4

EKs new lineup appear to be the same as the old scythe gentle typhoons one of the best available.

Ithink depends on what rads you're using as to what fan would be best. High fpi fans will do better with faster fans 800rpm may not be enough in that case. Low fpi rads can use high or low speed fans.

legraudal · 12 Jan 2015 at 13:59

Okay. So I would need some fans that are a bit more "beefy" than these http://www.overclockers.co.uk/showproduct.php?prodid=FG-052-NB&groupid=701&catid=2331&subcat=4 if I wanted to use a rad like one this one? http://www.overclockers.co.uk/showproduct.php?prodid=WC-110-TL&groupid=701&catid=2330&subcat=2666