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What power supplies do you know of that have had electrical noise ( squeal, whine, buzzing, etc.. ) ?

post #1 of 3
Thread Starter 
Most power supply reviews will mention fan noise, but almost none mention electrical noise (which to people who can hear it is usually more irritating).

What power supplies have you heard of or experienced that have exhibited electrical coil / transformer / capacitor etc.. squealing / whine / buzzing etc.. ?
post #2 of 3
Only really cheap power supplies, the type you get in OEM cases. For example I have a 420W Thermal Master lying around I use for testing. There is transformer hum like no-ones business at low load. The fan is also annoying at low load as it has a kinda loud ticking noise (likely caps or bad solder) from the voltage regulator.

On any properly built, quaility power supply you should not be able to hear any of the electrical components. Ever
alt.sanity
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alt.sanity
(28 items)
 
  
CPUMotherboardGraphicsGraphics
i7 4770k Asus ROG Maximus VI Hero AMD R9-290  AMD R9-290 
RAMHard DriveHard DriveHard Drive
Corsair Dominator Platinum 2133MHz 8GB Samsung 840 Pro 256GB OCZ Vector 256GB WD Green 3TB 
Hard DriveOptical DriveCoolingCooling
WD Green 3TB LG BluRay Lamptron FC5 V2 Alphacool NexXxos XT45 Quad 
CoolingCoolingCoolingCooling
Alphacool NexXxos XT45 Triple XSPC Twin D5 Bay Res  XSPC Raystorm CPU Block EK FC7970 CSQ Plexi 
CoolingCoolingOSMonitor
[7] Corsair SP120 Performance [6] Corsair AF120 Performance Windows 7 Ultimate 64bit Samsung S23A700D 
MonitorKeyboardPowerCase
LG IPS235 Corsair K90 CherryMX Red Seasonic Platinum 1000W Corsair 900D 
MouseMouse PadAudioOther
R.A.T. 7 Contagion White Razer Goliathus Extend CM Storm Sirus MDPC-X Sleeving 
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by altsanity View Post

Only really cheap power supplies, the type you get in OEM cases. For example I have a 420W Thermal Master lying around I use for testing. There is transformer hum like no-ones business at low load. The fan is also annoying at low load as it has a kinda loud ticking noise (likely caps or bad solder) from the voltage regulator.

On any properly built, quaility power supply you should not be able to hear any of the electrical components. Ever

Cheap junky PSUs will make electrical noises many times, it is true.

But I would not say Only they do. From what I've read on SPCR & other forums even the Rolls Royce PSUs like the Seasonic Platinums have been known to suffer from this problem. Another thing I've been reading is that the 2nd gen Seasonic X series is less prone to it than the new 3rd (KM3).

I'm wondering what other PSUs may be susceptible to this. It's hard to go by brand because most brands have multiple manufacturers & designs.
Edited by FrankCastle - 7/17/13 at 12:29am
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