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Thread: 350W enough for R7 1700, RX 580, both overclocked?

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    Default 350W enough for R7 1700, RX 580, both overclocked?

    Doing the math I get



    GPU = 250W
    CPU = 61W
    RAM = 7W
    chipset = 6W
    HDD = 9w
    SSD = 6W
    Mouse = 2.5W
    Keyboard = 2.5W



    = 344W*




    If I round up the numbers that's 350W



    Is that fine?*



    I didn't find the gigabyte RX 580 gaming 8GB but I took this one which I think gets very high clocks

    Sustained power consumption is 250W



    https://www.techpowerup.com/reviews/...o_Plus/28.html



    For the CPU I took the readings from the 1800X OC'd to 3.8 GHz which does 61W under a gaming load



    https://www.tomshardware.com/reviews...ew,5009-8.html



    For RAM 16GB of DDR4 pull 6W in average

    but running at 1.2V, I bumped that up to 8W to account for the extra voltages and clocks he may push



    https://www.tomshardware.com/reviews...u,3918-13.html



    I didn't find any info on B350 chipset power consumption, more specificaly the asrock AB350M pro4

    But Z370 chipset has a 6W TDP (I know TDP isn't power)



    https://ark.intel.com/products/12590...l-Z370-Chipset



    For HDD I chose a very power hungry drive, its typical load power is 9W according to this datasheet:



    https://www.wdc.com/content/dam/wdc/...879-771434.pdf



    I added an SSD, which does 6W



    https://www.pcper.com/reviews/Storag...VMe-SSD-Review



    In the case of mouse and keyboard I added the numbers that are in the back of my peripherals

    which are 5V, 500mA = 2.5W each

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    Default

    Seems a tad low, but since you're going to be hard pressed to find a quality 350W with modern topology, just get a decent 450W or 550W and you're more than fine.

  3. The Following User Says Thank You to Jon Gerow For This Useful Post:

    Oliver Valdéz Guzmán (08-19-2018)

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    Quote Originally Posted by jonnyGURU View Post
    Seems a tad low, but since you're going to be hard pressed to find a quality 350W with modern topology, just get a decent 450W or 550W and you're more than fine.
    thanks, how do you determine how much power you need

    and something like straight power 11 400W is fine?

    or seasonic G series 360

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    Straight Power 11 400W doesn't exist and the G-360 doesn't has enough PEG connectors.

    Gaming load from Tomshardware isn't heavy so don't use that to calculate the power needs. You need max power consumption numbers.

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    Quote Originally Posted by -The_Mask- View Post
    Straight Power 11 400W doesn't exist and the G-360 doesn't has enough PEG connectors.
    OK, seasonic fanless 400W maybe?

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    Better look at 500/550W, if you want to overclock.

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    Quote Originally Posted by -The_Mask- View Post
    Better look at 500/550W, if you want to overclock.
    Really? thanks

    does power consumption go that high when OC'd?

    I took the OC'd readings and I got that number

    I was thinking of a corsair CX450M

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    Quote Originally Posted by Oliver Valdéz Guzmán View Post
    Really? thanks

    does power consumption go that high when OC'd?

    I took the OC'd readings and I got that number

    I was thinking of a corsair CX450M
    A high quality 400W is the absolute minimum without overclocking, with a mainstream power supply I would go for 450W minimum. But with overclocking you really should go for more.

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    If you plan to OC 1700 get a better motherboard, even on some x370 boards VRM is relatively poor. Regarding PSU power if you want to OC, 650W should be a minimum.
    Last edited by strumf666; 08-19-2018 at 05:17 PM.
    R7 3800x
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    Asus Prime x370 pro
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    500GB Samsung 970 pro
    Corsair RM1000i
    EKWB watercooling (cpu+gpu)

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    Quote Originally Posted by Oliver Valdéz Guzmán View Post
    Really? thanks

    does power consumption go that high when OC'd?

    I took the OC'd readings and I got that number

    I was thinking of a corsair CX450M
    Corsair CX450M is good although i would go with CX550M

    Esta disponible en PCX por 1,269 Pesos Mexicanos equivalente a $68 Dolares Americanos

    http://www.pcx.com.mx/fuentes-de-pod...020102-na.html

    If you want 80+ Gold there is a Cosair TX650M

    http://www.pcx.com.mx/fuentes-de-pod...plus-gold.html

    For 1,656 Mexican Pesos it's around $88 USD
    ....

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