Originally Posted by ryeiii
my case is phanteks enthoo evolv itx it comes with 200mm intake, im planning to swap it with 2x140mm but im not sure if its worth it
I would say it's definitely worth it.
I have Enthoo Luxe and it was definitely worth. Just one PH-F140SP gave better component temps than the 200mm fan did. I have no experience with Evolv ITX, but my Evolv ATX came with 2x PH-F140SP. Everyone I know had replaced their 200mm stock fan usually with PH-F140SP fans. So yeah it's worth the change.
Fans don't have to be PH-F140SP. There are many good 140mm fans to choose from. I would suggest setting up our case fans to be speed controlled by component temps just like CPU and GPU cooler fans are. This way case fan airflow is teamed with componet fan needs.