New PNY 780 enthusiast edition, questions about power

Discussion in 'Videocards - NVIDIA GeForce' started by Soundcreepy, Feb 24, 2015.

  1. Soundcreepy

    Soundcreepy Member Guru

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    I just got a 780 not realizing that the minimum recommended PSU is 600w, I currently have 550w. I ran a wattage calculator and threw in some overclocking on both the GPU and CPU and was under the 550 mark. My question is should I trust the wattage calculation and go ahead with using a 550w PSU with the 780 or just heed Nvidias advice and pick up a bigger PSU?

    I would rather not spend 50-70 on a new PSU, but then again don't want to risk blowing the 780 or anything else in my PC.

    Thanks for your time.
     
  2. CalculuS

    CalculuS Ancient Guru

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    TBH, if the card would not get enough power nothing would happen.

    Worst case scenario it will restart suddenly in load.
     
  3. -Tj-

    -Tj- Ancient Guru

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    550W could be enough, but the most important thing is 12V+ rail amperage, should be at least 40-42A.


    btw nice looking card, its that white one right? :)
     
  4. Soundcreepy

    Soundcreepy Member Guru

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    Ah, well, thanks for the replies. I decided to get a bigger PSU for overhead/greater overlooking room. I'll make sure to check the 12v amperage.

    Yup, it's the white one :)
     

  5. Pete J

    Pete J Master Guru

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    You'll be okay - I doubt you'd pull 400W.

    The Techpower article about your PSU does recommend a surge protector though.
     
  6. Soundcreepy

    Soundcreepy Member Guru

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    I've got surge protectors, but according to the wattage calculator I was around 480w used. Idk, just piece of mind I guess.
     
  7. CalculuS

    CalculuS Ancient Guru

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    Could be fine on stock everything but any OC and it'll crumble.

    [​IMG]
     
  8. Soundcreepy

    Soundcreepy Member Guru

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    Yea, that's what I was afraid of. Looking at a thermaltake smart series 650 I'll most likely grab tomorrow.
     
  9. CalculuS

    CalculuS Ancient Guru

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  10. Soundcreepy

    Soundcreepy Member Guru

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    Woot, that's what I'll do then, thank you much for the advice :)
     

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