Noctua NF-A14 PWM Chromax Black Swap Fan - 140mm - shop4hongkong.com
NO NF-A14 5V: NOCTUA NF-A14 5V PWM case fan, 140 mm at reichelt elektronik
I went all noctua, installed all fans with anti vibtation pads and mounts. Still not as silent as I expected, any advices? Further description in comments : r/Noctua