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PSU PSU for GTX 560 Ti SLi

Discussion in 'Hardware' started by popcornuk1983, 21 Apr 2012.

  1. popcornuk1983

    popcornuk1983 Cake or Death?

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    Hello all.

    I'm thinking about adding a second GTX 560 Ti to my PC. I'm wondering what the minimum wattage should be for this setup. Rest of my setup is in the sig.

    Cheers for any suggestions!! :D
     
  2. Plodder

    Plodder New Member

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    I think your cpu is already a bottleneck even with 1 GTX 560 Ti. I doubt you will see any performance gain from sli with that setup tbh.
     
  3. Gaming_freak_10

    Gaming_freak_10 Active Member

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    ^ This. You'll have to upgrade your CPU first.
     
  4. mattyh1995

    mattyh1995 Active Member

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    While true, it's not what the OP asked.

    Use http://www.extreme.outervision.com/psucalculatorlite.jsp to work it out. I'd guess around 650W? But i've not worked it out.
     
    popcornuk1983 likes this.
  5. feathers

    feathers Well-Known Member

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    I ran dual 560Ti for a year on my 625w enermax PSU. That was even with the previous i7 860 at 4ghz. DX11 games like BF3 and Crysis 2 were using between 400 to 620 watts peak. The enermax barely got warm and never had issues. A good brand 625+ watt PSU should be fine. I have used Enermax for many years cos they are reliable. Even when it was fully loaded you couldn't hear the fan.

    The 620w peak draw was for my entire PC excluding the monitor.
     
  6. meandmymouth

    meandmymouth Well-Known Member

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    A good quality 650W PSU should do you fine but personally I'd go for 750W or above. It depends how much you want to spend.
     
  7. Zero_UK

    Zero_UK New Member

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    Last edited: 22 Apr 2012
  8. popcornuk1983

    popcornuk1983 Cake or Death?

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    Thanks for the suggestions guys, I already have a 750W XFX PSU. I was just wanting to make sure that I had enough grunt to run the two cards.

    I'm budgeting for the second part of my upgrade and wanted to know if I needed to add extra funds for a PSU. I don't. Woo!

    I know about the Q6660 being a bottleneck. A friend has the the same gfx card as me but he has a i7 system and gets about 20-25fps more in games like Skyrim. I'll be upgrading that first before buying the second card.

    Cheers again :)
     
    Last edited: 22 Apr 2012
  9. Plodder

    Plodder New Member

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    Great, by the way i have an xfx 750w xxx as well, fantastic psu. :thumb:
     
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