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  1. #1
    Joined
    Jan 2003
    Location
    Carol Stream, IL USA
    Age
    65
    Posts
    371

    New Build, What Size PSU

    Greetings

    It's been awhile since I've posted on these forums and would like opinions on what size PSU I should use. The build will look something like this.

    Corsair Obsidian 450D case
    Rysen 7 1800x processor
    Asrock X370 Taichi motherboard
    Corsair Hydro Series H115i water cooling
    Corsair Dominator Platinum DDR4-3200 ( 16GB)
    Asus Strix Radeon RX-580 (8 GB)
    Sound Blaster AE-5 sound card
    Samsung SSD 850 Evo 1TB (3x)

    That's pretty much it. I apologize if I've left something out. I was considering a 1000w psu, but am wondering if I could manage with an 850w psu?

  2. #2
    Joined
    Jan 2003
    Location
    Carol Stream, IL USA
    Age
    65
    Posts
    371

    Re: New Build, What Size PSU

    Just thought I'd stop by and let you know that I decided to go with the 1000w PSU. I remembered that the old adage "more is always better than not enough."

  3. #3
    Joined
    Jun 2012
    Posts
    185

    Re: New Build, What Size PSU

    While more certainly doesn't hurt, I think the days of 1000W PSU (even 850W) are numbered. CPUs are not as power hungry, and neither are GPUs. On top of that, multi-GPU setups are less and less supported, and that greatly reduces the need for large PSUs.

    As to a PSU calculator, I've used eXtreme PSU Calculator in the past: https://outervision.com/power-supply-calculator

    But you can probably use one from a reliable manufacturer:
    Seasonic: https://seasonic.com/psu-calculator/
    MSi: https://www.msi.com/power-supply-calculator/


    IMHO, a 650W PSU is probably more than what most people will need going forward.

    Have fun with your new build. When you're done, be sure to post some pics - I love seeing what other people are building. And if you run into some roadblocks you overcome, be sure to discuss those, too. Hopefully, it will help someone else later on.

  4. #4
    Joined
    Jan 2003
    Location
    Carol Stream, IL USA
    Age
    65
    Posts
    371

    Re: New Build, What Size PSU

    The for the reply, btdog. I will do my best to take some pictures of my new build.

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