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so why do people get 1000 watt power supplies? Even with sli you can't need that much?

 

There are some cards that are very power hungry, and when there are 3-4 of them in a system, they can easily use over 1000W when under load.

 

Example:

http://pcpartpicker.com/part/asus-video-card-r9290xdc24gd5

 

That card has a TDP of 300W, if you crossfired 4 of them together, that's 1200W from the cards alone, then you still have the CPU, and others that have to get power too.

Never thought about it till now:

Is the Corsair cx430 enough?

Gtx970

Xeon 1220v2 oc'd to 3.5ghz

Asrock Pro3gen3

8gb ram

3 case fans

Cooler master CPU cooler

And that's it I think

I would check myself but I can't use my PC atm due to my graphics card being shipped late

Yep. it'll be enough.

My arsenal: i7-9700k Gaming Rig, an iPhone, and Stupidity.

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More than enough, you will still be able to OC your GPU and keep your CPU OC'd, and have plenty of extra room left over.

Specs: CPU - Intel i7 8700K @ 5GHz | GPU - Gigabyte GTX 970 G1 Gaming | Motherboard - ASUS Strix Z370-G WIFI AC | RAM - XPG Gammix DDR4-3000MHz 32GB (2x16GB) | Main Drive - Samsung 850 Evo 500GB M.2 | Other Drives - 7TB/3 Drives | CPU Cooler - Corsair H100i Pro | Case - Fractal Design Define C Mini TG | Power Supply - EVGA G3 850W

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so why do people get 1000 watt power supplies? Even with sli you can't need that much?

 

There are some cards that are very power hungry, and when there are 3-4 of them in a system, they can easily use over 1000W when under load.

 

Example:

http://pcpartpicker.com/part/asus-video-card-r9290xdc24gd5

 

That card has a TDP of 300W, if you crossfired 4 of them together, that's 1200W from the cards alone, then you still have the CPU, and others that have to get power too.

Specs: CPU - Intel i7 8700K @ 5GHz | GPU - Gigabyte GTX 970 G1 Gaming | Motherboard - ASUS Strix Z370-G WIFI AC | RAM - XPG Gammix DDR4-3000MHz 32GB (2x16GB) | Main Drive - Samsung 850 Evo 500GB M.2 | Other Drives - 7TB/3 Drives | CPU Cooler - Corsair H100i Pro | Case - Fractal Design Define C Mini TG | Power Supply - EVGA G3 850W

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There are some cards that are very power hungry, and when there are 3-4 of them in a system, they can easily use over 1000W when under load.

 

Example:

http://pcpartpicker.com/part/asus-video-card-r9290xdc24gd5

 

That card has a TDP of 300W, if you crossfired 4 of them together, that's 1200W from the cards alone, then you still have the CPU, and others that have to get power too.

ah I see :) thanks for the help everyone
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