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3080 on 650 P2

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CyberDiamond
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Wednesday, September 09, 2020 0:01 PM (permalink)
Hi guys.
I have EVGA 650P2 psu and i want to buy 3080 xc model.

i have amd 1700x and prob buy zen3 cpu as well if my mobo support zen3 cpus.

So its safe with 3080 with 650p2 or not. Nvidia says min 750w psu.
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    Omoeba
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    Re: 3080 on 650 P2 Wednesday, September 09, 2020 4:53 AM (permalink)
    CyberDiamond
    Hi guys.
    I have EVGA 650P2 psu and i want to buy 3080 xc model.

    i have amd 1700x and prob buy zen3 cpu as well if my mobo support zen3 cpus.

    So its safe with 3080 with 650p2 or not. Nvidia says min 750w psu.


    650w is enough unless you are doing some serious overclocking on the top-of-the-line Zen 3 CPU. BTW only B450 and up will support Zen 3.

    AMD Ryzen 7 3800x
    EVGA RTX 3080 FTW3 Ultra
    Gigabyte X570 Aorus Master
    G.Skill Ripjaws V DDR4-3600 CL16 2x16GB
    Inland Performance 2TB SSD
    EVGA Supernova 850 G+ PSU
    Fractal Meshify C Case

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    Spurious_ECG
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    Re: 3080 on 650 P2 Wednesday, September 09, 2020 9:48 PM (permalink)
    A couple of points:
    nVidia does recommend a 750W PSU, but that's for a system with a 10900K. So before you buy make sure to use a power calculator to ensure you're good. You can put in all your components (minus GPU) into PCPartPicker to get estimated system wattage.
    Initially a 1700X will likely be a large bottleneck for a 3080, but B550, X570, B450, or X470 motherboards will support Zen3, but older cards would likely require a bios flash.
    Good luck and sounds like you're going to have a good build in the future (assuming you upgrade RAM with your CPU).


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    flyingtoaster85
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    Re: 3080 on 650 P2 Wednesday, September 09, 2020 10:56 PM (permalink)
    As others states you’ll be okay. If you upgrade your whole system, an 850 would be ideal. Power supplies are most efficient in the middle 80% of their rated wattage and the larger PSUs run fanless under a certain load.

    Main: 10700k @ 5.4ghz, 3090 K|NGP|N Hydrocopper, 4x8 @4300 16-16-16-36, EVGA 1200 P2, MSI Z490 Unify, 5 radiators, 2 pumps. Heavily modified Evolv ATX
     
    Travel size: Zen3 5800H, RTX 3060 Laptop GPU w/unlocked bios, 2x16 Kingston HyperX 3200 C20
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