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Upgrading my PC with a gtx 770

Hi guys,
I was just wondering what the minimum watt power supply would be required to install a 770 into my computer, and what would be a good one to buy on a budget.
My current supply is a Great Wall 550 watt
(http://www.mwave.com.au/product/great-wall-550w-power-supply-12cm-silent-fan-aa49246)
which is powering my gtx 650ti and i doubt it can power a 770.

Also on a side note, could taking a graphics card overseas damage it in the process?
3 answers Last reply Best Answer
More about upgrading gtx 770
  1. Best answer
    It depends upon your system. Though a good quality 500-550W PSU is sufficient for a single GTX 770.

    GTX 770 draws 230W at peak load. You'll need a decent quality PSU that delivers around 450W @+12V rail to power your system efficiently. The below PSU delivers 44A(528W) @+12V rail and is sufficient for a single GTX 770.

    This is a good quality PSU and at a reasonable price→XFX 550W 80+ Bronze Certified ATX Power Supply
    http://pcpartpicker.com/part/xfx-power-supply-p1550sxxb9

    As long as you handle the card with care, there won't be any damage, the packaging also prevents from small accidents.
  2. maktovic said:
    It depends upon your system. Though a good quality 500-550W PSU is sufficient for a single GTX 770.

    GTX 770 draws 230W at peak load. You'll need a decent quality PSU that delivers around 450W @+12V rail to power your system efficiently. The below PSU delivers 44A(528W) @+12V rail and is sufficient for a single GTX 770.

    This is a good quality PSU and at a reasonable price→XFX 550W 80+ Bronze Certified ATX Power Supply
    http://pcpartpicker.com/part/xfx-power-supply-p1550sxxb9

    As long as you handle the card with care, there won't be any damage, the packaging also prevents from small accidents.



    Thanks for the info!
    Also i want to change my power supply since i've heard very negative remarks about it; such as it's a 'generic PSU' and 'it'll be the first thing to go' and it's also been discontinued for a while.

    As for my components:
    RAM: 8GB Kingston Ram DDR3 1xstick
    Graphics Card: Gainward GTX 650ti 1GB edition
    Motherboard: Gigabyte GA-277M-D3H-MVP
    CPU: Intel i5-3570
  3. If you don't plan to SLI GTX 770 , then above PSU has plenty power for your System + GTX 770
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