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Power requirement for 2 gtx 560 ti's?

I'm thinking about upgrading my pc which already has 1 560 ti in it and I was wondering how much power I'd need to throw another in there. Currently I have this. http://www.newegg.com/Product/Product.aspx?Item=N82E16817207018

Thanks.
8 answers Last reply Best Answer
More about power requirement
  1. I am running a 560 ti sli setup at the moment + o/c cpu etc (see sig) on a 850W PSU but that is with plenty of room to spare. I would suggest if you were going to add a new PSU then always go for a reliable manufacturer (I am a big fan of Corsair but there are a few others who offer very good units) and go above what you would need as it may well give you that extra room for future upgrades.

    I would say anything 650+ as a minimum but you may be cutting it close so I would go 750 and above. Again it all depends on is your CPU overclocked, number of HDD, Case fans (although negligible) etc. If you give us your full specs and a budget if there is one and I or others may be able to recommend.

    Have a look at this link : http://extreme.outervision.com/psucalculatorlite.jsp

    Its not going to be exact and don't take it as gospel but may give you a ballpark figure.
  2. MEMOFLEX said:
    I am running a 560 ti sli setup at the moment + o/c cpu etc (see sig) on a 850W PSU but that is with plenty of room to spare. I would suggest if you were going to add a new PSU then always go for a reliable manufacturer (I am a big fan of Corsair but there are a few others who offer very good units) and go above what you would need as it may well give you that extra room for future upgrades.

    I would say anything 650+ as a minimum but you may be cutting it close so I would go 750 and above. Again it all depends on is your CPU overclocked, number of HDD, Case fans (although negligible) etc. If you give us your full specs and a budget if there is one and I or others may be able to recommend.

    Have a look at this link : http://extreme.outervision.com/psucalculatorlite.jsp

    Its not going to be exact and don't take it as gospel but may give you a ballpark figure.


    Ok, well I'm running a phenom II quad core @3.4 Ghz and I plan to OC if I ever need too. Also I have a 1tb hdd, but I plan on getting a ssd soon. As far as case fans go I have 3 120mm's.
  3. Have a look at this link as it will give you your power draw for the sli 560 ti's.

    http://www.guru3d.com/article/geforce-gtx-560-ti-sli-review/14

    If you get a good PSU that can give close to its advertised output then as I said above maybe a 650 will be fine but personally I would go with 750 or above, again in case you decide to upgrade again.
  4. MEMOFLEX said:
    Have a look at this link as it will give you your power draw for the sli 560 ti's.

    http://www.guru3d.com/article/geforce-gtx-560-ti-sli-review/14

    If you get a good PSU that can give close to its advertised output then as I said above maybe a 650 will be fine but personally I would go with 750 or above, again in case you decide to upgrade again.


    I'm digging this one because it's modular and has great reviews. (The 80 plus gold certification doesn't hurt either.) What do you think?


    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151088
  5. jake_larkee said:
    I'm digging this one because it's modular and has great reviews. (The 80 plus gold certification doesn't hurt either.) What do you think?


    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151088
    That is actually one of the best PSU you can get to my knowledge i say go for it :D
  6. Best answer
    Had a look at some reviews for it and they are all very good. Has probably everything you need including 4 x 6pin PCI-E connectors and when tested was able to deliver up to 800W! As you said modular is always handy in keeping good cable management.

    I think you have struck gold on that one. Get shopping :D
  7. Fantastic. Thanks guys. :)
  8. Best answer selected by jake_larkee.
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