Originally Posted by AlphaC
Yes mine is blowing down, it gets noisy at 1200+RPM though
When I tried it without the mesh grille on my case it had no such problem even at 1500RPM.
This suggests that it is noisy at higher RPM due to the grille
I've reason here by others that when they use the NF-F12 /NF-A14 FLX in pull on a filter it has that problem
THanks for answering. My case was on the top Fractal Define Arc Midi R2, and yes it has a grill from where they are pulling (i didnt put the top cover), but the thre fans did the same noise and its swurl like a bug niose, but on the front even with fan filters or the bottom that has mesh and fan filter (but fan blowing up), no issues, i tested 7 fans, all of them did the noise blowing down, but not up. Either way, rebuilded on a Define since i coudlnt do what i wanted on Arc Midi wiht the extra fans. Out what i experience not going to use NF-A14 PWM blowing down behind a grill.