... with Noctua NF-P12 and NF-S12A. They seem to be voltage controled (3pin), these can be turned off easily by nature. The 4pin PWN fans plugged to their designated 4pin socket keep a minimum duty cycle, even when the fan curve is set to 0%. Plugging them to a 3pin socket should turn them to volta...

Notes: - CPU Fan 1 (4-pin) and Chassis Fan 1 (4-pin) cannot be turned off. Even at 0% they will keep spinning at the minimum rpm. You can plug the 4pin fan on the 3pin connector, leaving one pin out. That gives you the opportunity to set a fan profile from 0% to 100%. My CPU fan for example, starts...

Thanks for you replies. I'm from Germany.
The Corsair looks good. I'll read a bit about it. I'll get back to this topic when I replaced the PSU.
Thanks

Hi there, I'm planning to kick out the last 'troublemaker' in my PC. It is currently a Cooler Master M2 Silent 420 W PSU, whose fan is not a screamer but since my system is completely fanless at low load, I've choosen the PSU to be dead silent as well. At least at low loads. My system temps are pret...