Review on 💨 Fractal Design Dynamic X2 GP-12 Computer Fan; Silent, High Airflow 120x120x25mm - FDB-Bearings, Trip Wire, Aerodynamically Shaped Struts - 1200RPM, 12v, Black Edition by Ellington Gardner

I am so disappointed in these fans. I wanted to have a push-pull effect on my CPU heatsink and it worked fine, but once those fans went over 1300rpm. Say goodbye to the silence. It crunched and howled at a speed of 1300 rpm. Hell, I even got it up to 2000rpm and it sounded like a jet losing parts on the runway. My case has 8 silent 140mm Fractal Design fans, which at maximum speed (only 8000RPM) make less noise than one of those 120mm dynamic 1300RPM fans. I will return them and choose Noctua. You haven't let me down yet!