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650W + Nvidia 560 Question

Last response: in Graphics & Displays
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April 11, 2012 5:27:33 PM

Im trying to buy a Nvidia560 (Maybe a 570?) but I'm unsure if my PSU can handle the AMPS.

Here is a link to my PSU.

http://thermaltakeusa.com/Product.aspx?S=1207&ID=1506#T...

and I am using the EVGA website for reference on watts and amps

560

http://www.evga.com/products/moreinfo.asp?pn=01G-P3-156...

570

http://www.evga.com/products/moreInfo.asp?pn=012-P3-157...

I noticed on the PSU webpage it says 12v with 18amps max for each 6 plug ( It says I have 4). The Nvidia 560 for example needs 500w with a 30amps with two 6 plugs. Does it mean 30amps TOTAL or for each 6 plug? If its total my PSU should be ok since two plugs would mean I have a max of 36AMPS (18v each). Sorry if it sounds confusing (can you tell I am?)

Is it possible to get the 570? it says it needs 550w 38amps. I doubt it though.

Im having a hard time figuring this out as I am not up-to-date on video cards. Please help!

I have a i5 2500k w a Gigabyte z68ap-d3 mobo.
April 11, 2012 5:31:13 PM

I have no idea how that works with multiple 12v rails, thats why i always buy single rails so i know im good :p 

But you should be fine honestly.

Im not sure if its additive or what, you have 4 12v rails with 18 amps each, not sure how to interpret that sorry.
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April 11, 2012 5:43:08 PM

Yeah It maybe time time to upgrade my PSU but im just trying to get the most out of this one I have before I make the plunge. Thanks for reply scotty99.

Still looking for help!
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April 11, 2012 6:08:01 PM

It means 30A total, not 30x2 for 2 power connectors.. Correct way of finding Amps in multiple rail is

total Wattage under +12v rail/ 12 = Amps

In this PSU they say it has 52A in 12V rail.. You are good to go..
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April 11, 2012 6:21:31 PM

Thanks lakshitharxx!! Totally makes sense now.

Now since im armed with this info does that mean I can get a 580? What about your thoughts on a 6 to 8 pcie plug adapter? My PSU does not have a 8 pci plug needed for a 580.

Here is the specs on the 580

Minimum of a 600 Watt power supply.
(Minimum recommended power supply with +12 Volt current rating of 42 Amps.)
An available 6-pin PCI-E power connector and an available 8 pin PCI-E power connector
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April 11, 2012 6:41:38 PM

Nevermind I figured it out Thank you both for the help.
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April 11, 2012 6:41:45 PM

Best answer selected by cpen.
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