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Windows 7: Hardware Power Consumption-Picking a new Power Supply

17 May 2012   #11

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, 64-bit

Quote   Quote: Originally Posted by abyoung35 View Post
awesome thanks guys, so i need to pat attn to the amp rating per 12V rail? so theoretically if i could find a psu with 2 12v rails at 35 amp ea. @ 840w total, that would be a good one? (based solely on numbers

A "good one" is a PSU with adequate power for your particular requirements, from a reliable manufacturer.

You can all finds of lousy PSUs that have good specifications on the label. The specs for those PSUs mean very little because you don't know if the specs are true. And even if "true", under what circumstances were they measured? 840 watts for 10 seconds, then fails? 840 watts in a highly refrigerated room?

And you need to pay attention to TOTAL power. A PSU that has two 12 volt rails at 35 amps each may be able to supply only 700 watts total at any time.

Check reviews and comments at

My System SpecsSystem Spec
23 May 2012   #12

Windows 7 Home Premium x64

i purchased the corsair h60 and my cpu temp has not gone over 53C, I've had less crashes, but a few still linger around. I've chosen the Seasonic X750 Gold, its at least 100 w over my required. I'm ordering it next monday - SeaSonic X750 Gold 750W ATX12V V2.3/EPS 12V V2.91 SLI Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply
My System SpecsSystem Spec
23 May 2012   #13
Phone Man

Windows 8.1 Pro w/Media Center 64bit, Windows 7 HP 64bit

Its on sale at Newegg until Thursday night.

Hardware Power Consumption-Picking a new Power Supply-seasonic.png

I have the X650. Great product.


My System SpecsSystem Spec

23 May 2012   #14


Just a heads up. I noticed we were having PSUs die on us fairly regularly and the culprit eventually was traced to an unstable (?) wall socket. What clued us in was the bulbs for the light on the wall the socket was on seemed to flicker randomly and also kept dying and needing to be replaced in very often (3-4 months per bulb). Moved the computer to a different outlet, hey presto, no more problems. Bad wiring I guess.
My System SpecsSystem Spec
03 Jun 2012   #15

Windows 7 Home Premium x64

Yeah I've had that issue in an older house I lived in, our apts were built like 3 years ago so that's ruled out. I did get my psu installed yesterday, it finally arrived I've come the conclusion I need a bigger case though, but it all fits and so far so good, 2 days no bsod.

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