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
Noctua Fan Investigation & the Internet Outrage Engine | GamersNexus - Gaming PC Builds & Hardware Benchmarks
Noctua NF-A12x15 PWM chromax.black.swap case fan - 120mm | 120mm | 軸流ファン | 空冷 | Aquatuning Japan