Recent content by ulph

Tried that and no change unfortunately. It would be interesting to compare. I will upload a video exemplifying the noise

After having the 645 sitting in my drawer all summer I got around to installing it into my DAN a4 last night, and I am also surprised at the sound level of the pump. The end result is something much more noisy in idle than my previous setup with the Noctua NH L9a (which was virtually...