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Is 650w enough?

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oscyjack
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2018/11/04 11:14:29 (permalink)
Hey all.

Just got my new build running and a buddy said I was light on the power supply. What do you think?

8086k@5x6 1.35v XMP profile
Asus Z390 itx
Gskill rgb 16gb 3200/16
EVGA1080 ti ftw3 hybrid (+50mhz)
EVGA Clc240 aio
EVGA 650w g3 psu
Single nvme 512gb
post edited by oscyjack - 2018/11/04 11:16:30
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    bcavnaugh
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    Re: Is 650w enough? 2018/11/04 11:35:39 (permalink)
    I would go no less than a 750 Gold and recommend an 850 for a Single FTW3 GTX or RTX Graphics Card.
    Though I have only pushed my Single GTX FTW3 Card to 640 Watts, this include the Computer with the Monitor Off.
    670-675 Watts with Monitor On.
    post edited by bcavnaugh - 2018/11/04 11:40:17

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    bob16314
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    Re: Is 650w enough? 2018/11/04 12:04:17 (permalink)
    People tend to over-estimate PSU wattage requirement, many times grossly.

    Use the OuterVision PSU Calculator to estimate your total system wattage requirement and to see a recommended PSU for your box.

    You can also use the EVGA Power Meter, where you'll get a one-shot 10% discount code (with conditions) on EVGA PSUs in your email just for using it.

    The OuterVion PSU Calculator is more accurate..Roll with that.

    See also: Power Supply FAQs over at JonnyGURU.
     
    A 650-Watt unit should be more than fine.

    * Corsair Obsidian 450D Mid-Tower - Airflow Edition * ASUS ROG Maximus X Hero (Wi-Fi AC) * Intel i7-8700K @ 5.0 GHz * 16GB G.SKILL Trident Z 4133MHz * Sabrent Rocket 1TB M.2 SSD * WD Black 500 GB HDD * Seasonic M12 II 750W * Corsair H115i Elite Capellix 280mm * EVGA GTX 760 SC * Win7 Home/Win10 Home * 
     
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    bcavnaugh
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    Re: Is 650w enough? 2018/11/04 12:08:16 (permalink)
    Another good read https://forums.evga.com/FindPost/2878082
    "One PCIe Power Cable" you should use Two PCIe Power Cable on your FTW3 Graphics Card.
    https://www.evga.com/Products/Specs/GPU.aspx?pn=9FAD9B05-E730-458B-A504-AE42B36F74D3
    600 Watt                    or greater power supply.****
    ****Minimum system power requirement based on a PC configured with an Intel Core i7 3.2GHz processor.
    post edited by bcavnaugh - 2018/11/04 12:15:52

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    oscyjack
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    Re: Is 650w enough? 2018/11/04 12:28:48 (permalink)
    Thanks all. I had the vcore too high and things seem a little happier now.

    Yeah I figured with these nice new psu's and evgas own calculator I'd be good with the 650.

    Very interested in that cable post, thanks :)
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    oscyjack
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    Re: Is 650w enough? 2018/11/04 12:41:20 (permalink)
    Ok so if I leave the gpu voltage alone it'll loop benches no prob. Up the voltage at all and it crashes anytime a graphics test begins.
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