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Faint buzzing from power supply?

post #1 of 3
Thread Starter 
Hi, i recently noticed that my power supply has a faint buzzing sound whether my pc is on or off. Is this normal? I have a silverstone stride 650w gold power supply if that helps
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The Black Box
(16 items)
 
  
CPUMotherboardGraphicsRAM
[Intel] Core i5 3570k @ 4.2GHz/1.10v [ASUS] P8Z77-I Deluxe [EVGA] GeForce GTX 970 SSC ACX 2.0+ 4GB @ 1342/... [Corsair] Vengeance 8GB (2x4GB) DDR3 @ 1600MHz ... 
Hard DriveHard DriveCoolingOS
[Samsung] 840 250GB SSD  [Western Digital] WD Black 1TB WD1003FZEX HDD [Noctua] NH-L9i Low Profile CPU Cooler  [Microsoft] Windows 7 Home Premium (64-Bit) 
MonitorKeyboardPowerCase
[ASUS] VE248H 24" 1920x1080 60hz Monitor [Ducky] DK2108 Zero Mechanical Keyboard (Cherry... [Antec] TruePower Classic 550W 80 Plus Gold Pow... [Fractal Design] Node 304 ITX Case (Black)  
MouseMouse PadAudio
[Razer] Deathadder Black Edition [Corsair] Vengeance MM200 Mouse Mat Standard  [Creative] GigaWorks T40 Series II 2.0 Speakers 
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post #2 of 3
It's not unusual for the +5VSB (5 volt standby) inductor to vibrate and cause some sound, especially on some of these relatively new designs where the +5VSB circuits were recently retooled to meet new standby power draw standards. Happens with some other parts too, but if it's making that kind of sound with the computer turned off, that implies it's on the +5VSB circuit; the other parts are not getting electricity.

It can be annoying, but if the cause is as described above, it's harmless. It depends on the manufacturing, physical placement, etc. of the parts, so different samples of the same model of power supply behave differently in this regard.
post #3 of 3
Thread Starter 
I thought so too, I can't really hear it unless I put my hear next to it but it's annoying that it's there. Also, I had one previous that had coil whine but was a lot worse which i rma'd, this one is a lot better though. I guess I must of got unlucky twice, no point of sending it for RMA again. Glad it's harmless though.
The Black Box
(16 items)
 
  
CPUMotherboardGraphicsRAM
[Intel] Core i5 3570k @ 4.2GHz/1.10v [ASUS] P8Z77-I Deluxe [EVGA] GeForce GTX 970 SSC ACX 2.0+ 4GB @ 1342/... [Corsair] Vengeance 8GB (2x4GB) DDR3 @ 1600MHz ... 
Hard DriveHard DriveCoolingOS
[Samsung] 840 250GB SSD  [Western Digital] WD Black 1TB WD1003FZEX HDD [Noctua] NH-L9i Low Profile CPU Cooler  [Microsoft] Windows 7 Home Premium (64-Bit) 
MonitorKeyboardPowerCase
[ASUS] VE248H 24" 1920x1080 60hz Monitor [Ducky] DK2108 Zero Mechanical Keyboard (Cherry... [Antec] TruePower Classic 550W 80 Plus Gold Pow... [Fractal Design] Node 304 ITX Case (Black)  
MouseMouse PadAudio
[Razer] Deathadder Black Edition [Corsair] Vengeance MM200 Mouse Mat Standard  [Creative] GigaWorks T40 Series II 2.0 Speakers 
  hide details  
Reply
The Black Box
(16 items)
 
  
CPUMotherboardGraphicsRAM
[Intel] Core i5 3570k @ 4.2GHz/1.10v [ASUS] P8Z77-I Deluxe [EVGA] GeForce GTX 970 SSC ACX 2.0+ 4GB @ 1342/... [Corsair] Vengeance 8GB (2x4GB) DDR3 @ 1600MHz ... 
Hard DriveHard DriveCoolingOS
[Samsung] 840 250GB SSD  [Western Digital] WD Black 1TB WD1003FZEX HDD [Noctua] NH-L9i Low Profile CPU Cooler  [Microsoft] Windows 7 Home Premium (64-Bit) 
MonitorKeyboardPowerCase
[ASUS] VE248H 24" 1920x1080 60hz Monitor [Ducky] DK2108 Zero Mechanical Keyboard (Cherry... [Antec] TruePower Classic 550W 80 Plus Gold Pow... [Fractal Design] Node 304 ITX Case (Black)  
MouseMouse PadAudio
[Razer] Deathadder Black Edition [Corsair] Vengeance MM200 Mouse Mat Standard  [Creative] GigaWorks T40 Series II 2.0 Speakers 
  hide details  
Reply
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