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PSU for gtx 560 ti sli

guys im getting a gtx 560 ti atm and may upgrade to sli.
i have an i5 2500k and z68 mobo Gigabyte UD3R
i wanted to know if i upgrade to sli whats the approx wattage required on my psu?
6 answers Last reply Best Answer
More about tomshardware
  1. Here a list from Nvidia site with the power supplies for SLI. You have a lot of brands , you can have from where to choose. http://www.geforce.com/Active/en_US/en_US/pdf/PSU.pdf
  2. Budget? I suggest at least a quality 650w such as the corsair tx650w.
  3. Best answer
    For a system using two GeForce GTX 560 Ti graphics cards in 2-way SLI mode NVIDIA specifies a minimum of a 700 Watt or greater power supply that has a combined +12 Volt continuous current rating of 52 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors.

    Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Total Continuous Amperage Available on the +12V Rail(s) is the most important factor.
  4. XFX 750W for a cert, that's why I bought it.
  5. in general, real world power consumption is overestimated, use this to get a good idea of what youll need

    http://extreme.outervision.com/psucalculatorlite.jsp
  6. Best answer selected by arjunbalgovind.
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