PSU requirement

By MOGLA7
Jun 10, 2014
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  1. fimbles

    fimbles TechSpot Evangelist Posts: 1,229   +119

    I would say no.

    The 12 volt rail on your psu is 62 amps.

    One evga gtx780 ti requires 42 amps on the 12 volt rail.

    Full load means the gpu is at maximum usage without overclock.
  2. MOGLA7

    MOGLA7 Newcomer, in training Topic Starter

    So what psu would you recommend?
  3. MOGLA7

    MOGLA7 Newcomer, in training Topic Starter

  4. hellokitty[hk]

    hellokitty[hk] I'm a TechSpot Evangelist Posts: 4,317   +116

    I would say yes easily, because I think you're saying that you have one (1) GTX 780Ti plus your CPU.
    But even SLI will be okay if you don't overvolt.
  5. fimbles

    fimbles TechSpot Evangelist Posts: 1,229   +119

    +1 to what hellokitty posted above.

    Single gpu is fine. Sli may be just enough.

    Misread sorry.
    Last edited: Jun 12, 2014
  6. Blkfx1

    Blkfx1 TechSpot Addict Posts: 879   +170

    Just to clarify for the OP, his 750W PSU will be enough for his setup. You will not need to upgrade to the 1000w PSU.
  7. MOGLA7

    MOGLA7 Newcomer, in training Topic Starter

    So what would you say?
  8. cliffordcooley

    cliffordcooley TechSpot Paladin Posts: 5,751   +1,421

    HK is saying you will only need a larger PSU, if you are over-clocking two 780Ti cards. If you only have one 780Ti, then there is plenty of over-clocking head room on your current 750W PSU.


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