Efficiency question!

[Ramkelo]

What is more cooling efficient? A 60mm by 10 FPI or a 30mm by 30 FPI? (both 240)

Both runing on push&pull static pressure optimized.

[Ghost]

A  low FPI 60mm radiator will give you better cooling at low RPMs while a high FPI rad is optimised for low RPM fans.

 

Besides that the extra thickness will give you slightly better performance.

 

I would go with the thicker one if you have the space.

[Trail Mixorz]

Well if they're static optimized, i'd run just push or pull, but i'd say the 30 by 30, but i'm not sure

[kcchi]

while a high FPI rad is optimised for low RPM fans.

Did you mean high RPM fans? And i would go thick as well if you can

[Ghost]

Did you mean high RPM fans? And i would go thick as well if you can

Well it depends a lot on the radiator itself and the fan as well but I would classify <1000RPM being on the lower end of the RPM spectrum.

[B NEGATIVE]

High FPI rads start gaining perfomance after 1400 RPM but fall behind below this,low FPI pull ahead at <1000 rpm but dont gain after this,in between is a dead spot where both rads perfom semi equally.

 

Thickness doesnt automatically mean performance,a recent test with the UT and Monsta rads showed the thinner UT beating the Monsta.

There is a limit to the heat carrying capacity of air,seems the Monsta breaches this by its sheer depth/restriction to airflow.

 

EDIT: found the thread and pic.

 

 

Thickness doesnt guarantee perfomance.