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Erfan Lp

V850 Coil whine sound

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Erfan Lp    0


About 20 days ago i got a brand new PC with a cooler master PSU (850V Gold) on it.

I have been using the system for about 18 days and now i noticed this problem in the PSU that it has Coil whine.

I'm sure that it's not GPU it's exactly coming from the PSU, I've been listening to it since the moment that i noticed.

And it made me really nervous about the PC and I don't know what to do.

I called my PC's Support company and the told me that it's quite normal in this kind of PSUs, but they couldn't convince me about it.


My specs:

PSU: Cooler master V850
CPU Ryzen 7 3800X, 4400 MHz (44.25 x 99)
Motherboard Asus TUF Gaming X570-Plus 
Motherboard Chipset    AMD Bixby X570, AMD K17.7 FCH, AMD K17.7 IMC
System Memory    32688 MB
DIMM3: Corsair Vengeance LPX CMK32GX4M2A2400C16    16 GB DDR4-2400 DDR4 SDRAM 
DIMM4: Corsair Vengeance LPX CMK32GX4M2A2400C16    16 GB DDR4-2400 DDR4 SDRAM 
BIOS Type    AMI
Graphics Card   Asus rog strix  GeForce RTX 2070  (8 GB)
Monitor    AOC 2243W  [22" LCD]
Disk Drive    Samsung SSD 970 EVO Plus 250GB 
Disk Drive    TOSHIBA HDWD120  (2 TB, 7200 RPM, SATA-III)
Optical Drive    ASUS DRW-24D5MT

Case   Master tech Atis 3x fans



I also uploaded the video that i recorded from the sound and the PSU please take a look if you can.






Edited by erfan habibpour

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