What is a good power supply for an Nvidia GTX 650 TI graphics card?
Question by Rahul Chatterjee /

Please recommend a good power supply unit for NVidea GTX 650 TI graphics card.

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Answers (5)
  • Chris Marcoe

    You should go to a site that has a PSU power calculator. (Newegg has one if you are shopping on their site, as does Thermaltake http://www.thermaltake.outervision.com/)

    Enter everything from your computer in there are see what the minimum power is you need for your computer. After you know that, then you can start actually looking for a PSU. As Susendeep said, you can’t base it solely on the GPU, though, that can dictate the minimum power.

  • susendeep dutta

    Deciding the PSU only on the basis of thermal and power specs of GPU is not so accurate as pointed out by
    ko888 (a Tom’s hardware forum user) –

    ” For a system using a single GeForce GTX 650 Ti graphics card NVIDIA specifies a minimum of a 400 Watt or greater power supply that has a combined +12 Volt continuous current rating of 20 Amps or greater and that has at least one 6-pin PCI Express supplementary power connector.

    Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Total Combined Continuous Power/Current Available on the +12V Rail(s) @ 45-50°C ambient temperature, is the most important factor.
    …… ”

    Other components of PC wold also require power.Hence,a good power supply from Cosair,Antec would be good.

    I would recommend Cosair’s CX series for normal usage and GS series for gaming usage.

  • Jamie Merlau


    The recommended power supply for that card is 400 watts; however, you never want to have a load more than 80% of your power supply capacity running. So you need to take in account your processor, hard drives, fans, etc and do a rough estimate of what you are consuming now. You can find ballpark numbers for these devices

    • Jamie Merlau

      Accidently submitted -.-

      In addition, you need to decide if you want to plan for future upgrades as well. If you are planning to do SLI, you will need a higher power supply, unless you don’t mind buying another power supply again.

      You want a reputable manufacturer. While not glamorous, a well built power supply is critical to keep everything running correctly. Personally, I use:

      However, I had need to have a quiet power supply, as my case was noisy enough. Provide what specs you have now and that will help in selection, as well as budget.