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How many watts do I need?

Hey guys, I want to install a lot of things in my new pc and I wonder if my Power supply is enough to go ahead or not... it's Corsair RM850 PSU
Here's my pc details..

1- Gigabiye z97x gaming 7 motherboard
2- Intel i7-4790k Devil's Canyon
3- Nvidia GeForce GTX 780
4- Corsair H105 liquid cooler
5- (x4)8GB = 32GB DDR3 Ram Memory
6- (3)LED Fans + (6)PWM Fans = Total (9)Fans
7- (1)Samsung Evo SSD, (1)HDD and (1)External HDD via USB 3.0
8- ASUS Dual-Band Wireless-AC1900 PCI-E Adapter
9 - Creative Sound Blaster ZxR SBX PCIE Gaming Sound Card
10- 2-Port PCIE USB 3.0 Express Card
11- NZXT Hue RGB LED Color Changing Controller
12- (NZXT Sentry 3) Fan Controller Cooling
13- BluRay Driver

and thats all... Is my PSU good to run all these or I need to upgrade it?
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  1. Best answer
    650-750W. Your 850 is plenty but the capacitors are rather low quality in it. I'd suggest getting like a TX750 or similar.
  2. Avocade said:
    650-750W. Your 850 is plenty but the capacitors are rather low quality in it. I'd suggest getting like a TX750 or similar.


    I already have the RM850, as I unserstand from you that will be fine to run all these things without having an issue

    Thnaks!
  3. good luck...
  4. F9ol said:
    Hey guys, I want to install a lot of things in my new pc and I wonder if my Power supply is enough to go ahead or not... it's Corsair RM850 PSU
    Here's my pc details..

    1- Gigabiye z97x gaming 7 motherboard
    2- Intel i7-4790k Devil's Canyon
    3- Nvidia GeForce GTX 780
    4- Corsair H105 liquid cooler
    5- (x4)8GB = 32GB DDR3 Ram Memory
    6- (3)LED Fans + (6)PWM Fans = Total (9)Fans
    7- (1)Samsung Evo SSD, (1)HDD and (1)External HDD via USB 3.0
    8- ASUS Dual-Band Wireless-AC1900 PCI-E Adapter
    9 - Creative Sound Blaster ZxR SBX PCIE Gaming Sound Card
    10- 2-Port PCIE USB 3.0 Express Card
    11- NZXT Hue RGB LED Color Changing Controller
    12- (NZXT Sentry 3) Fan Controller Cooling
    13- BluRay Driver

    and thats all... Is my PSU good to run all these or I need to upgrade it?


    your psu has more than enough watts to run all this, however Corsair RM power supplies are not particularly good when it comes to capacitor quality, so if you can upgrade, i would strongly recommend doing so...something like

    XFX pro 550w http://pcpartpicker.com/part/xfx-power-supply-p1650xxxb9 or
    750w if you intend to sli soon http://pcpartpicker.com/part/xfx-power-supply-p1750xxxb9 would be good budget options

    For a slightly higher-end unit
    Seasonic G 550w http://pcpartpicker.com/part/seasonic-power-supply-ssr550rm or
    750w for sli http://pcpartpicker.com/part/seasonic-power-supply-ssr750rm are good options
  5. No your 850 watts are enough, but i would rather go for the ax 760i or the 860i because its higher end and since you have all these great parts. The PSU that I am getting is the seasonic KM3 750w PSU. I am getting a lot of the same things you are. But if I had the money I would definitively go with the AX860i.
  6. Leonell12 said:
    F9ol said:
    Hey guys, I want to install a lot of things in my new pc and I wonder if my Power supply is enough to go ahead or not... it's Corsair RM850 PSU
    Here's my pc details..

    1- Gigabiye z97x gaming 7 motherboard
    2- Intel i7-4790k Devil's Canyon
    3- Nvidia GeForce GTX 780
    4- Corsair H105 liquid cooler
    5- (x4)8GB = 32GB DDR3 Ram Memory
    6- (3)LED Fans + (6)PWM Fans = Total (9)Fans
    7- (1)Samsung Evo SSD, (1)HDD and (1)External HDD via USB 3.0
    8- ASUS Dual-Band Wireless-AC1900 PCI-E Adapter
    9 - Creative Sound Blaster ZxR SBX PCIE Gaming Sound Card
    10- 2-Port PCIE USB 3.0 Express Card
    11- NZXT Hue RGB LED Color Changing Controller
    12- (NZXT Sentry 3) Fan Controller Cooling
    13- BluRay Driver

    and thats all... Is my PSU good to run all these or I need to upgrade it?


    your psu has more than enough watts to run all this, however Corsair RM power supplies are not particularly good when it comes to capacitor quality, so if you can upgrade, i would strongly recommend doing so...something like

    XFX pro 550w http://pcpartpicker.com/part/xfx-power-supply-p1650xxxb9 or
    750w if you intend to sli soon http://pcpartpicker.com/part/xfx-power-supply-p1750xxxb9 would be good budget options

    For a slightly higher-end unit
    Seasonic G 550w http://pcpartpicker.com/part/seasonic-power-supply-ssr550rm or
    750w for sli http://pcpartpicker.com/part/seasonic-power-supply-ssr750rm are good options


    550 isn't enough, 600 at least. Well actually those are good enough I guess, but i don't recommend going at the bare minimum.
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