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How many watts do I need?

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  • Corsair
Last response: in Graphics Cards
July 18, 2014 11:19:36 AM

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?

More about : watts

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July 18, 2014 11:23:15 AM

650-750W. Your 850 is plenty but the capacitors are rather low quality in it. I'd suggest getting like a TX750 or similar.
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July 18, 2014 11:25:50 AM

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!
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July 18, 2014 11:27:10 AM

good luck...
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July 18, 2014 11:27:42 AM

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-p1650xxxb... or
750w if you intend to sli soon http://pcpartpicker.com/part/xfx-power-supply-p1750xxxb... would be good budget options

For a slightly higher-end unit
Seasonic G 550w http://pcpartpicker.com/part/seasonic-power-supply-ssr5... or
750w for sli http://pcpartpicker.com/part/seasonic-power-supply-ssr7... are good options
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July 18, 2014 11:27:42 AM

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.
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July 18, 2014 11:30:26 AM

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-p1650xxxb... or
750w if you intend to sli soon http://pcpartpicker.com/part/xfx-power-supply-p1750xxxb... would be good budget options

For a slightly higher-end unit
Seasonic G 550w http://pcpartpicker.com/part/seasonic-power-supply-ssr5... or
750w for sli http://pcpartpicker.com/part/seasonic-power-supply-ssr7... 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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