In my quest for silence, I have built a wtercooled PC and there is an Achilles heel: the corsair SF600 PSU has Corsair NR092L (92mm, 12V, 0.22A, 3950 RPM, Rifle Bearing) fan which is lod as hell under ...

PSU fan is groaning a bit so I figure it's time to replace it. Don't want to replace PSU really as it's perfectly good enough for this system and it's cheaper to put a new fan in too I'd appreciate ...