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GTX 560ti SLI PSU Requirements?

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January 6, 2013 9:54:33 PM

Hello,

I want to know if this PSU is more than enough to run two different brands of the GTX 560ti OC cards which are:

PSU:

- http://www.newegg.com/Product/Product.aspx?Item=N82E168...

GPU:

- Gigabyte GTX 560ti at 950\1800\2200 at 1.050v
- Zotac GTX 560ti AMP 950\1800\2200 (I will set the voltage to 1.050, so it won't use more watts and less heat)

Computer Specification:

Motherboard: GA-Z68A-D3H-B3 (rev1.3)
CPU:i5 2500k + Hyper 212 Plus
RAM: 4GB Ripjaw X at 1600mhz
HDD: 2x 1TB HDD 7200rpm
OPP: DVD\RW

Thanks, I will appreciated.
January 6, 2013 10:36:31 PM

"More than enough" would not be the phrase I would use, but it should be able to handle it.

That PSU has the same 62A 12v rating that my Corsair TX750 has, and I wouldn't hesitate to run two OC ti's with it. (I already ran two overclocked GTX560's @1v with it....Only backed down the voltage to .975 for heat)
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January 7, 2013 12:09:16 AM

Thanks for the reply. I am running my GIGABYTE GTX 560ti (1.050v) in a different system with an 550 Watts PSU, and it doesn't pass 72 C at full load.

Is it a good idea if I use the Gigabyte GTX 560ti on the main slot?, because the Zotac version only has one fan and it will gain heat more than 80C. I heard that the second slot will use less power (less heat) than the first slot is that right?

You said you have the GTX 560's but not the ti version which uses allot more power. I saw reviews about the GTX 560ti SLI but not with the ZOTAC AMP and the GIGABYTE on 1.037v or 1.050v. I would like more helpful suggestions please.
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January 7, 2013 12:48:32 PM

My max temp for the top card is ~73C. (Bottom card runs considerably lower temps) lowerBoth my cards are identical and the top card always runs higher temps. (I have switched them just to check)

It has more to do with sucking hot air off the back of the card below and having limited space to pull the air in from.

If I had one card with better cooling, I would put it in the top spot.

I know the ti's use more power, but I wouldn't hesitate to use my power supply with two overclocked ti's. 750w is enough power for the job.

And it's "more than enough" for my two 560's

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January 7, 2013 5:15:55 PM

Z1NONLY said:
My max temp for the top card is ~73C. (Bottom card runs considerably lower temps) lowerBoth my cards are identical and the top card always runs higher temps. (I have switched them just to check)

It has more to do with sucking hot air off the back of the card below and having limited space to pull the air in from.

If I had one card with better cooling, I would put it in the top spot.

I know the ti's use more power, but I wouldn't hesitate to use my power supply with two overclocked ti's. 750w is enough power for the job.

And it's "more than enough" for my two 560's


Thank you for the constructive answer. I will buy the PSU and build my system in a week. I will go back to the forums and tell you the latest.

Thanks again.
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January 7, 2013 5:18:40 PM

Best answer selected by Gilbert_74.
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