Quote:
Originally Posted by photon
I've been pretty happy with my build so far, the only complaint I have is an intermittent fan noise issue. With the smaller PC and it sitting on my desk it's closer, so I can hear a fan spin up and whoosh for 15 seconds then stop every 5-10 minutes.
At first I thought it was the AIO but the AIO fans don't seem to go up and down associated with the speed. My CPU temp at idle does seem high (70 degrees) but I've got the AIO set to manage it by itself, and that's what it seems to target. If I set the fan profile manually I can get it to 62-65 with almost no increase in noise. Not sure if that matters for a 5900X.
My case fans are pretty cheap ones but there's 6 so I run them pretty slow only ramping up if the in-case temp goes up. Those don't seem to be it.
I forgot about the PSU fan though. It's an SFX-L power supply and the fan is pretty thin. Most of the time it's not even spinning, but when it kicks on it's quite whooshy, so it's driving me crazy. I've tried running with the panel by the PS off to see if it's an air source issue but doesn't seem to make much difference.
PWM fans on power supplies aren't a thing are they? Or power supplies that give you some ability to play with the fan? I'm sure if it was set to be constantly on at a low speed rather than stopped entirely but then coming on as the temperature increased it'd be quieter. Are there power supply brands that have that kind of thing? It being an SFX or SFX-L does limit my choices I guess though.
I guess the other option is to wait, the Lian Li 011D Mini case I have is coming out with a new version that'll take ATX power supplies. Or there's an air cooling focused normal sized 011D that should be available any time now.
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70C at idle seems high. What's the water temp in the AIO? What fans do you use? I swapped out the NZXT fans for Corsair ML Pros and they're much better.
Did you see the completely fanless build they did on LTT recently? It's probably overkill for most people but you sound like the person it's aimed at.
A lot of power supplies have fans that don't spin at all until it needs to cool down under load. I know my Corsair does. I don't know about SFX though.
It sounds dangerous to let the user control the fan on a PSU. It's not like it can throttle down to prevent overheating.