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Will my power supply run this GTX 660 Superclocked?

post #1 of 6
Thread Starter 
Hey all, I just bought a new graphics card and I'm wondering if my power supply is good enough to run it.

This is the card I'm trying to use, its a superclocked 660 from EVGA:

http://www.bestbuy.com/site/geforce-gtx-660-2gb-gddr5-pci-express-3-0-graphics-card/6820043.p?id=1218808244387&skuId=6820043&st=gtx%20660&cp=1&lp=1


I upgraded it from an Nvidia Geforce GTX 460 1gb.

My current power supply is a BFG GS Series ATX12v v2.2 550W. It has dual 12v rails.

The 660 says it requires 450w or greater with 24 amps on the +12v rail.

I have 2 +12v rails: +12V1 (18A), +12V2 (18a)

Here's the graph on the side of the box. I'd link the PS online but I can't seem to find it.



[DC Output] [ +3.3v | +5v | +12v1 | +12v2 | -12v | +5vsb ]

[Min. Load] [ 0.5a | 0.3a | 1.0a | 1.0a | 0a | 0a ]

[Max. Load] [ 25A | 20A | 18A | 18A | 0.3A | 2.5A ]

[Max. Combined [ 130W ] [ 432W ] [ 16.1W ]
Wattage]

[Peek Output] [ 550W ]


So I'm reading some places that say 18A even on dual 12v rails isn't good enough. Another place I read said you add up the +12v rails for dual rails, and go by that number which is 36A. Which is right? Now the weird thing is, my 460 apparently requires 22A on the +12 rail. So if you don't add it up, and it's 18A, would my computer have eventually blown out from using that card? I've had it in there for a while, it does get hot when using some software. (Although I think this is because the case had blocked the vents in the back for the card. Just noticed that when swapping them today. Not sure though, so please tell me.)

I was able to power on my comp with the 660 in there, but didn't play any games or run any intensive software. I get very paranoid about these things, and don't want to spend money to fix a broken computer when I can save on just upgrading my PS if I have to. Please let me know, thanks in advanced.
post #2 of 6
the GTX 460 consume more power than the GTX 660, so if the psu ran a gtx 460 it will run a gtx 660
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post #3 of 6

Hello and welcome to OCN!

 

With 550w  That will be more than enough to run.  But I would be more worried about the type of PSU you have there.  I have heard that the Power Supply is one part you DO NOT want to go cheap on in a build.  I was always advised to get something 80 Plus Certified.

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post #4 of 6
yes it will run it. also the 600 series runs lots cooler then your old card. you can goggle and download MSI Afterburner for free and control the cards fan yourself or setup a fan profile of your liking.
or just let the card run the fan settings, but since you said your other card was being blocked from good airflow due to case design you might want to use afterburner.
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post #5 of 6
Thread Starter 
Hello all, and thanks for the replies! I was able to rectify the issue with the case blocking the fans, I had to remove one of the slots on the back so fortunately hat will no longer be an issue.

I do plan on upgrading my Power supply in the future, was looking at this one here perhaps you can tell me if it's a good one?

http://www.amazon.com/Corsair-Builder-Series-Watt-CX600/dp/B0092ML0OC/ref=cm_cd_ql_qh_dp_t


I know the required wattage is 450 minimum, but are my amps up to the standard? Do I look at the dual 12v rails separately as 18A, or do I add them together? The requirements for the card is 24A on the +12v rail. If it's separate, it falls short right? Please let me know. Thanks again in advanced.

edit: Also forgot to mention, my 460 had 2 6-pin connectors I had to attach, the 660 has only 1. Does that factor into this as well?
Edited by NeoRinz - 4/1/14 at 10:43pm
post #6 of 6
Quote:
Originally Posted by NeoRinz View Post

Hello all, and thanks for the replies! I was able to rectify the issue with the case blocking the fans, I had to remove one of the slots on the back so fortunately hat will no longer be an issue.

I do plan on upgrading my Power supply in the future, was looking at this one here perhaps you can tell me if it's a good one?

http://www.amazon.com/Corsair-Builder-Series-Watt-CX600/dp/B0092ML0OC/ref=cm_cd_ql_qh_dp_t


I know the required wattage is 450 minimum, but are my amps up to the standard? Do I look at the dual 12v rails separately as 18A, or do I add them together? The requirements for the card is 24A on the +12v rail. If it's separate, it falls short right? Please let me know. Thanks again in advanced.

edit: Also forgot to mention, my 460 had 2 6-pin connectors I had to attach, the 660 has only 1. Does that factor into this as well?

Dont get a Corsair CX get something decent and 450 watts is enough for a GTX 660 you dont need more

XFX Core Edition Rosewill Capstone Cooler Master VSM and Seasonic G are better options
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