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Thread: PSU for AMD Threadripper 3970X + NVIDIA GeForce 2080 Ti

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    Question PSU for AMD Threadripper 3970X + NVIDIA GeForce 2080 Ti

    I'm looking for a new PSU for my work machine:

    - AMD Threadripper 3970X (32 cores / 64 threads)
    - GIGABYTE TRX40 Aorus Xtreme
    - 4x 16 GB DDR4 3466 MHz
    - 1x NVIDIA GeForce RTX 2080 Ti
    - 1x NVMe M.2 2 TB drive
    - 2x 500 GB SSD drives
    - 1x 4 TB hard drive

    I may later add another NVMe drive and another graphics card (or replace it by a Quadro RTX).

    The machine is running 24x7, sometimes under heavy load for days on end so I'm looking at high efficiency (Platinum or Titanium).

    I was using my old but beloved CORSAIR HX750i to power this build but I'm reaching the upper end of the power rating under full CPU+GPU load (650 W). Beside, the old PSU will move back into the donor computer so I need a new PSU for the new rig.

    Money is no object.

    What would you recommend?
    Last edited by OfLoveAndLiquor; 01-06-2020 at 03:27 PM.

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    You measured the 650W with Corsair Link?

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    You measured the 650W with Corsair Link?
    Yes.
    Last edited by OfLoveAndLiquor; 01-06-2020 at 03:26 PM.

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    650W isn't 750W of course. Because for your PC I actually would recommend a PSU like the HX750i. Except of course if your plan to overclock or use a second graphics card.

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    650W isn't 750W of course
    It's not, but I could use some headroom in case I need to add a second graphics card. I would also rather not run a PSU anywhere near its maximum power rating (even though high end PSUs can definitely take a beating).

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    A highend power supply like yours is build for 24/7 full load.

    Anyway for a second RTX 2080 Ti you can take a high-end 1000W power supply. Corsair HX1000 Platinum or HX1000i for example.

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    Thanks, that's what I was looking at.

    There's no AX1000i right?

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    Quote Originally Posted by OfLoveAndLiquor View Post
    Thanks, that's what I was looking at.

    There's no AX1000i right?
    There's an AX1000.

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    But it isn't really better, only a tiny bit more efficient.

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    I find it hard to go back to a PSU without some form of built-in monitoring like Corsair Link. As far as I'm concerned, this is an important feature and I'm sad that Seasonic doesn't have an equivalent (as far as I know).

    The Corsair HX1000i would be my top pick based on rated power, feature set and overall quality. Most reviews are rather good (especially the one from JonnyGuru), however the one from TechPowerUp isn't as glowing:
    https://www.techpowerup.com/review/c...x1000i/11.html

    Opinions?

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