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Buzzing/Electrical Noise Brand New Corsair AX1200i

post #1 of 6
Thread Starter 
Just finished setting it up last night and it was working great. This morning it keeps making this intermittent coil noise. If i had to describe it, its this electrical sounding noise. I have 6 fans in my system (2 SP120, 2 AF120 + 2 C70 fans) and I can hear this thing over all of them!

Bought it from NewEgg and just filed for an RMA but I want to now if this is a known issue and if anyone else here has experienced a similar problem? BTW my old HX850 doesn't have this issue.

Here's a cell phone video I made:
    
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post #2 of 6
I can't access the video in question, but the Corsair AXi line is known for having a higher-than-average rate of coil noise / coil whine reports...
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post #3 of 6
My ax860i dont have that noise well not yet at least and i hope not cuz that sounds rather annoying frown.gif
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post #4 of 6
That's some kind of coil whine. Most of the time, it's not the PSU itself, but a cabling or peripheral issue with the PC that causes it to manifest.

Try unplugging ALL system peripherals, especially external devices except your keyboard and mouse, and any internal devices such as extra hard drives, fan controllers, speakers, microphones, headphones, etc., and see if it goes away. If it does, then track down which device is causing the issue. If it doesn't, then it's RMA time. I had a external USB 15' printer cable cause a PSU to click and whine like that, turned out to be a shielding issue with the cable or something else - replaced it with a different cable and the problem disappeared.

Your $300+ PSU shouldn't have any sound coming from it at all. My AX1200i is completely silent, save for the fan that only kicks on when it's under extremely high load.

Greg
post #5 of 6
Thread Starter 
I ended up RMA'ing it back to NewEgg today and the HX850 I put back in is totally silent so there was definitely an issue with that AX1200i. Hopefully the next one works better.
    
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post #6 of 6
Thread Starter 
Replacement arrived today and there's no noise like the first one. So I guess that one was defective.
    
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Corsair H100i Windows 8.1 64-bit professional LG 27EA83-D ASUS ROG Swift PG278Q 
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Corsair K70 RGB Corsair AX1200i NZXT H440 Black & Red Logitech G602 
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Razer Battlefield Edition Logitech Z560 
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