Comment by Levitating

I use Noctua for the silence but I also literally don't have any of the panels attached to my case. The main panel doesn't even fit because the DH-15[1] would stick out.

My DH-15 isn't particularly silent because the fans are silent but it's so effecient that the fans barely need to spin.

[1]: https://www.noctua.at/en/products/nh-d15