which fan has more airflow

[Abdelrahman_3]

hi i want to buy 2 fans in front of the case which one have more airflow and performance
(quality and noise not important but i want performance)
**NZXT FX v2 140mm**
**corsair af140 quiet**

 

[mamasan2000]

Check manufacturers site for the rated CFM. Higher is better. A good PC-shop should also list it.