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[Official] Seasonic X Series Owners Club - Page 43

post #421 of 1832
Just finished building my computer with a new Seasonic X660w PSU. But when I put my ear very close to the power supply, I can hear a very low and constant buzz. My computer was shut off but I left the power on for my PSU. And I'm sure the buzz did come from the PSU not from my motherboard or graphics card.

Read some other forums and people say Seasonic or some other PSUs will always have this low buzz depends on how close you put your ears there. So I'm wondering are there any PSUs are absolutely quiet. The noise doesn't bother me because I'm sure I'm not able to hear a thing if I put the case underneath my table unless I use it as my pillow every night. But will it become a problem in the future? Or should I just get a RMA? If you guys have a similar problem, I'd like to hear your opinions.

Thanks!
post #422 of 1832
That was a wrong post...
Edited by LS86 - 8/1/12 at 2:16pm
post #423 of 1832
Quote:
Originally Posted by twitchyzero View Post

hey fellow X owners
Just recently put a new build together and the first time I have had a case with bottom PSU mount
Am I supposed to have the fans facing down to the bottom of the case or have it pointed up if my case stands on a carpet surface? Currently, I have a piece of plywood for the case to stand just to reduce the possibility of air flow restriction.
Also, how do I check for coil whine as I know the hybrid fan doesn't kick in until it's under load? Would stress testing my SLI setup be able to tell if it whines or not?

For your first question, power supply facing up or down really depends on your case. You said your case was a bottom PSU mount. So... if the bottom of your case has a screened air intake window, then you definitely want to face the fan down for a better cooling result; because you always want the fan to directly contact with the outside cooler air but not with the already warmed up air from inside of your case. So fan face down!

For your second question, to be honest, I didn't quite understand the question. But I will say something based on my understanding. So coil whine.... my PSU does have a very very tiny constant low buzz if I turn on the power on my PSU. But the noise is very low unless I put my ears really close to the PSU. I guess that's how you check coil whine. I just set up my system last night and haven't had a chance to run it with the PSU under load. So I'm not sure the whine will get louder as the power consumption goes up. So go back to your concern, if you can't hear a thing from your PSU when it's powered up, then it's probably a good thing. If you really want to make sure its performance, I guess you can tr to stress your system a little and let the PSU work under certain load for a while and see whether it makes any funny noise.

But from my understanding, all electronic equipment will make some noise at certain point. Unless you can hear the whine across your room, you may definitely want to make an RMA. So the whine from my PSU really doesn't bother me that much. I may give Seasonic a call and see what's going on. Also good luck with yours.

BTW... if you can, can you let me know whether your PSU make a low buzz noise when it's on. Cause I'm still waiting for some answers to my PSU. Hope this helps and let me know if you have further questions!
post #424 of 1832
Is there a way to force the Seasonic X660 fan to be on all the time?

I'm debating getting one and I have a feeling the fan being off will make me paranoid that the sensing mechanism is broken.

Also, how BAD is Seasonic with coil whine? I did a generic Google search for coil whine and it seems like only Seasonic and Corsair (which apparently uses Seasonic hardware?) are the ones that have real bad coil whine.
post #425 of 1832
Quote:
Originally Posted by Asrial View Post

Is there a way to force the Seasonic X660 fan to be on all the time?
I'm debating getting one and I have a feeling the fan being off will make me paranoid that the sensing mechanism is broken.
Also, how BAD is Seasonic with coil whine? I did a generic Google search for coil whine and it seems like only Seasonic and Corsair (which apparently uses Seasonic hardware?) are the ones that have real bad coil whine.

jizus, your the only one that actually prefers fan to be on in idle LOL.
You shouldn't get x series if that's really an issue for you.
get sesonic non x series, or XFX or Corsair PSU.
most of the "good" PSUs use seasonic internaly.
I got X series 760, 2 pieces, both had coil whine problems so I returned them and got XFX. no coil whine but I'm really sorry I didn't get "properly functioning" x series cos I prefer silence in idle.
cheers.
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post #426 of 1832
It's just one of those things where I was thinking about it and came to the thought that...

If a fan on a regular PSU fails.. you know it because the fan doesn't work. That's your cue to go out and buy a new power supply.

If the fan on a X series fails.. how will you know? What if the thermal sensor fails and the fan never comes on? What if I never task the system enough and the power supply stays at a high heat level because I'm just before the threshold of it coming on?

My system isn't built to be noiseless, so as long as it's not at 2000+ rpm fan it wouldn't bother me.
post #427 of 1832
Thread Starter 
mine has a switch hybrid and normal not sure what it does for the fan
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post #428 of 1832
Quote:
If the fan on a X series fails.. how will you know? .

you will know cos it wont spin above 20% load. you can hear it when it's under load alot.
cheers.
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post #429 of 1832
I'm really contemplating getting the black and blue sleeving set for mine, I'd have to change my RAM to go with everything else and put all the blue rings in on my AF/SP 120s but I think it'd look sick considering Asus board is black and blue as well. Perhaps some Domi platinums are in the future, even though I know they're overpriced the aesthetics can't be ignored.
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post #430 of 1832
Welp, I'm here to join. X-750. Completely silent and no coil whine. Love it.

Crappy cellphone pic. I'll take better once my mobo/ram/670ftw backplate get here Monday.


IMG_20120802_065250.jpg
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