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High pitch noise

post #1 of 7
Thread Starter 
In January I bought Seasonic 860W 80Plus Platinum. I read review about it and considering Seasonic's reputation I took it. My excitement didn't last long. The moment I switched to ON it instantly starts emitting barely noticeable high pitch noise. But it wasn't something to brag about, since it was silent in closed case. It was still silent during POST and booting. But after system booted into OS, it starts emitting loud high pitch noise. And because I received it on Friday, I had to keep it the whole weekend. During those two days not only it was driving me crazy, but I also started having headache. A terrible one. So, the first thing in Monday morning I went to shop. I was told they will order replacement, but as it turned out they send PSU for warranty repair. I have waited for almost a month, only to discover that repair technician wrote it doesn't emit such noise. Imagine my frustration... Anyway, since I didn't have spare time to test it, I let it in the box for another two months. I finally got time (and nerves) to take the PSU to another PC, with older and totally different configuration. The same noise appeared once again. Confident that the PSU IS faulty I let it few days in a box, so I could send it back again. Two days ago I needed to test something, so I plugged it back. And then I heard it: SILENCE! It was miracle! I was happy beyond words. I was even afraid to turn the PC off. The next in the morning it was still silent, until I fired up Left 4 Dead 2. The noise was unfortunately back and didn't stop. And this is what troubles me: the inconsistent behavior, which makes my warranty repair difficult. Why it was suddenly silent? Why it returns back after playing game, when yesterday it was fine? And why on earth it's emitting noise only in OS and not the whole time? I spent 190€ for the PSU and I don't have such amount of money to buy a new one in case they refuse to acknowledge the issue. How should I proceed? I was thinking to write about this behavior and test in different PC. Will be this enough?
Edited by Terepin - 4/1/13 at 1:23am
post #2 of 7
Coil whine, something Seasonic PSU's are notorious for.

I understand it's not harmful in anyway, just damn annoying. I also bought their 660w Platinum which I returned for the very reason, though it whined constantly.

Either fight to get a replacement/your money back or just live with it.
post #3 of 7
I've noticed this with Seasonics as well. Definitely coil whine. The coil whine seems to vary with the load on the PSU.
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Emporer
(10 items)
 
Shinobi
(14 items)
 
HTPC
(10 items)
 
CPUMotherboardRAMHard Drive
i5 3470 GA-H77-D3H-MVP 2x2GB G Skill DDR3 1TB Seagate ST1000DM003 
Optical DriveOSKeyboardPower
LG Blu Ray Windows 7 x64 CM Storm Trigger MX Blue Silverstone ST55F-G 550w  
CaseMouse
Coolermaster Centurion 6 CM Storm Inferno 
CPUMotherboardGraphicsRAM
Intel Core i5 3570K ASUS P8Z77V-PRO ASUS Radeon 7850 DirectCUII 2GB G-Skill Ripjaws X 2x 4GB 
Hard DriveHard DriveOptical DriveCooling
240GB Sandisk Extreme  2TB WD Caviar Black  LG Bluray Coolermaster Seidon 120M 
OSKeyboardPowerCase
Windows 7 x64 CM Storm Trigger with Cherry Blacks Seasonic X-660 Bitfenix Shinobi 
MouseOther
CM Storm Inferno Bitfenix Recon 
CPUMotherboardRAMHard Drive
AMD A4 3400 cooled by AC Alpine 64 Plus GA-A75M-UD2H 4GB Ripjaws X 1600MHz 2TB Seagate ST2000DL003 
Optical DriveCoolingOSMonitor
DVDRW 3x Coolermaster 80mm fans @ 7v  XBMCbuntu Frodo 40" LCD TV HDMI 
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Antec NSK1480 Media Centre remote and USB receiver 
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post #4 of 7
Thread Starter 
OK, I recorded video with the noise: http://www.youtube.com/watch?v=LO4o3LXUSrU
post #5 of 7
i have the same issue for my 660w platinum as well , got an other unit but had the same issue
gave up trying for another unit , i returned it and got an antec hcp instead
post #6 of 7
It seems that Seasonic platinum models and Corsair's AX series both have a disproportionately high amount of coil whine reports. I wish I knew what the root cause is.
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post #7 of 7
Quote:
Originally Posted by svenge View Post

It seems that Seasonic platinum models and Corsair's AX series both have a disproportionately high amount of coil whine reports. I wish I knew what the root cause is.
I can confirm this, although I know both Seasonic and Corsair will gladly replace the noisy PSU for you, as long as you stress how annoynig it actually is, and that you mention coil whine.
I've had 2x AX1200 and 3x HX1000 replaced from Corsair, most of them because of coil whine. And 1x Seasonic 1kW Platinum with coil whine as well.
Some coil whining PSUs get better (less noisy) as time passes, but as I'm an audiophile, I cannot wait for that to happen.rolleyes.gif
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Black Mesa
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