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Is a 850W PSU good enough for a 2x ATI R2 290x or 2x GTX 780?

Hi, I have a 850W SeasSonic PSU. Will it be enough to power 2x ATI R290x or 2x GTX 780? My desktop has a I7 4770k, a SSD and two HDD. Thanks.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151102&cm_re=850w_power_supply-_-17-151-102-_-Product

David
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More about 850w psu good ati 290x gtx 780
  1. davidst95 said:
    Hi, I have a 850W SeasSonic PSU. Will it be enough to power 2x ATI R290x or 2x GTX 780? My desktop has a I7 4770k, a SSD and two HDD. Thanks.

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151102&cm_re=850w_power_supply-_-17-151-102-_-Product

    David


    That PSU is very reliable.
  2. Best answer
    davidst95 said:
    Hi, I have a 850W SeasSonic PSU. Will it be enough to power 2x ATI R290x or 2x GTX 780? My desktop has a I7 4770k, a SSD and two HDD. Thanks.

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151102&cm_re=850w_power_supply-_-17-151-102-_-Product

    David


    Okay, but you will not be able to overclock the two graphics cards and the CPU all at once.
  3. davidst95 said:
    Hi, I have a 850W SeasSonic PSU. Will it be enough to power 2x ATI R290x or 2x GTX 780? My desktop has a I7 4770k, a SSD and two HDD. Thanks.

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151102&cm_re=850w_power_supply-_-17-151-102-_-Product

    David


    I know this post is old. but to make clear with the r9 290x you need at lest 1000W and with the 790 gtx you will need 800W but to overclock and have little more space I would do 1300W for the 290x and at lest 1000W for the 780 gtx
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