Choosing a PSU and how many +12v rails

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Joshua Martin

Joshua Martin

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Sep 16, 2014
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System Specs

Windows 8.1 x64
ASUS H81 Haswell MOBO Micro ATX
Intel I5 4440 3.3GHz
Nvidia GTX 760 2GB OEM (Requires 2x6-pin connectors)
1x 120GB PNY XLR8 SSD
2x 2TB HDD
2x 120mm LED Fans
1x DVD-RW
500w PSU (Unsure on the +12v rails)

I want to upgrade to at least a 600W PSU but I'm not sure what I should get.
How many +12v Rails does the PSU need for my system? I want the PSU to look good also.
I have a clear side panel with green LED lights illuminating the case. If you guys could help me find out which PSU I should get and how many +12v Rails it needs, I'd be eternally grateful.
Here are a few I've been considering.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817148030

http://www.newegg.com/Product/Product.aspx?Item=9SIA1YH1GV9553

http://www.newegg.com/Product/Product.aspx?Item=N82E16817152055&cm_re=raidmax_cobra-_-17-152-055-_-Product

I like the third one the best, but it has a single +12v Rail.

Thanks
 
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JackNaylorPE

JackNaylorPE

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Oct 30, 2004
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How to pick a PSU.

1. Go to your GFX card web site and see what they say (500 watts)

2. Go use a reputable calculator and use it properly
http://extreme.outervision.com/psucalculatorlite.jsp


http://www.guru3d.com/articles_pages/geforce_gtx_760_msi_gaming_review,5.html


3. Google or yahoo search on "Guru3D [insert you card name here]"

Here is Guru3Ds power supply recommendation:

GeForce GTX 760 - On your average system the card requires you to have a 550 Watt power supply unit.
GeForce GTX 760 SLI - On your average system the card requires you to have a 700 Watt power supply unit.

If you are going to overclock GPU or processor, then we do recommend you purchase something with a bit more stamina.
Click to expand...

If you use a decent PSU, you can forget about rails.

There are videos on youtube with raidmax PSUs blowing up ... one after the other. The other two I wouldn't use either.

Seasonic S12 / M12
XFX Core Edition

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151096

The EVGA B Series is passable but not up in the same level of the other two and is the same price as your others.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817438014

 
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JackNaylorPE

JackNaylorPE

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No, see the link in my post above entitled "Corsair CX600 PSU on smoke"
http://www.overclock.net/t/1470731/corsair-cx600-psu-on-smoke

For a budget solution, look at the EVGA B series in my 2nd post above, which was also recommended by Blackbird (his loink is cheaper). I'd rather see you in a G2 or one of the Seasonics but if money is tight, the B2 will suffice.
 
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