Power Supply Voltage Question

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MStone

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Jul 4, 2013
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I just built my first PC a couple weeks ago and I was looking through my voltages though HWMonitor today. I noticed that the +12V was maxing out at 11.5. I don't know much about power supplies, but I was wondering if this was normal? Is it supposed to be at 11.3-11.5/ will it do any damage in the long run to any of my components?

Like I said, I just bought the PSU a few weeks ago from Newegg (it's a Corsair CX600) so I'm not sure on it. Any help would be appreciated. Thanks.

8bgl.png


Note - HWMonitor was left running for a couple hours while playing Tomb Raider.
 
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A
Seems just a tad low, but it is probably OK. Your Vcore is correct and shows that Cool and Quite is on. You have a M5A99x and I assume you are running the AI suite which constantly monitors and makes small adustments to the Vcore, bus, mulitlplier and sometimes GPU voltages. I have roughly the same: M5a99x/8350 and Corsair AX750 and my 12v rail is 11.891. My prior Thermaltake 600 watt supply used to run at 11.65 all the time. It used to bother me, but I have noticed on a lot of HWMonitor posts many people have shown that it is frequently below 12v. Corsair and Asus are very high quality components, I wouldn't lose a lot of sleep over it. The Vcore is the most important and you are perfect there!!
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JackNaylorPE

JackNaylorPE

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Oct 30, 2004
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The ATX spec allows for 5%..... so on 12v rail..... 11.4 to 12.6 is "in spec". Personally, I look for 1% variation when looking for good overclocks and to my mind 5% is terrible. If you monitor is reporting correctly, you are outside the ATX spec on the 12 v rail

Low voltage means higher current si at more than 5% below 12v Id be concerned.

Let's remember that the CX series is Corsair's "budget" line and while I wouldn't expect the 1% that we see in the HX series and the 2-3% in the TX series, the CX should be able to meet the ATX spec.
 
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avjguy2362

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Jun 21, 2012
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Seems just a tad low, but it is probably OK. Your Vcore is correct and shows that Cool and Quite is on. You have a M5A99x and I assume you are running the AI suite which constantly monitors and makes small adustments to the Vcore, bus, mulitlplier and sometimes GPU voltages. I have roughly the same: M5a99x/8350 and Corsair AX750 and my 12v rail is 11.891. My prior Thermaltake 600 watt supply used to run at 11.65 all the time. It used to bother me, but I have noticed on a lot of HWMonitor posts many people have shown that it is frequently below 12v. Corsair and Asus are very high quality components, I wouldn't lose a lot of sleep over it. The Vcore is the most important and you are perfect there!!
 
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MStone

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Jul 4, 2013
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Thanks everyone for the input. I decided to try another reading for it and went into the BIOS and also tried out AI Suite as the above poster mentioned, and they are both reading it as around ~11.89 so that makes me feel better than the 11.3 I was seeing in HWMonitor.
 
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