I've had this Be Quiet! Pure Power 12 M on my new build for a few months now but I don't remember when the sound started it's definitely been over a month. I don't think it responds to load, sometimes its loud on idle and sometimes it's not there under heavy use. Does this mean it's failing? It doesn't bother me much I just want to know if I should replace it. There's an audio file in the .zip attached. Weiterlesen...