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PSU with low 12V rails

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  • Components
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August 19, 2013 7:29:30 AM

I have gtx 660 non ti..
Whose minimum requirements for 12V rail is 24 and 450 W Psu and i have 550W psu but the 12V rail is 18A ...
Will my graphic card run properly?????

More about : psu low 12v rails

August 19, 2013 7:39:39 AM

18 x 12 = 216W.

So no matter what, if you only have a single rail PSU, then you should not be running a GTX660.
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August 19, 2013 7:53:51 AM

You said "550W psu but the 12V rail is 18A ..."
Most likely that has 2 12V rails (ie a +12V1 and a +12V2) each with 18 Amps. A single 18 Amps for +12V is VERY low for a 550 Watt PSU.
BUT to be sure, as SR-71 Blackbird Asked - What is your PS Brand and Make.

You want to ensure it is at least a tier 3 or better PSU.
Tie Listing: http://www.eggxpert.com/forums/thread/323050.aspx
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August 19, 2013 7:57:52 AM

Yep, labeled explosion. Most likely only has a single rail, to be sure you would need to check the label on the side of the PSU. Not that I would believe that either.
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August 19, 2013 8:05:29 AM

what to check???
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August 19, 2013 8:07:48 AM

Vuleu Sheth said:
what to check???


The label on the side of the PSU. Take a photo and post it if possible.
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Best solution

August 19, 2013 8:24:29 AM

Well now 4 x 12v rails.
You have enough power. :D 

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August 19, 2013 8:26:11 AM

Thanks BRo...
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August 19, 2013 9:09:39 AM

Checking google
Has 4 +12V Rails, each rated @ 18 Amps.
NOTE: 18 X 4 X 12 = 864 Watts, But PSU is limited to 550 Watts, But even 1/2 that is fine, so no worry there.

Amacrox does NOT make the PSU, it is a OEM PSU from FSP which make some very good PSUs - so not a problem on Quality issue.

ENJOY

ONly review I found was for the Amacrox Free style 85Plus 650 watts - VERY good review. The 80Plus not quite as good but should be close.
http://www.hardwaresecrets.com/article/Amacrox-Free-Sty...
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August 19, 2013 9:12:03 AM

Thanks for the update chief.
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