What power supply do I need for a msi gtx 780 gaming and a i5 4670k?

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Alfred0110

Honorable
Feb 9, 2014
4
0
10,510
Is 600W enough or should I get more?
I'm planning on overclocking both the CPU and the GPU.

Edit: Built my computer now, thanks for the advice. Please close this if possible, I can't find any way to do it myself.
 
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VincentP

Splendid
Oct 18, 2013
4,105
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GTX 780 = 250W max power
Core i7 4670K = 84W TDP
Allow 40W for other components
Total = 374W
Most of this is on the +12V rail, and you shouldn't exceed 80% of the maximum rated power.
374 / 0.8 = 468W minimum on the combined +12V rails.

This means a good quality 550W power supply is enough.
Choosing 600W to 650W gives you more headroom and allows the power supply to run quieter when the system is loaded.

Some suggestions:
XFX Pro 650
Seasonic S12G 650
Seasonic G 650
 
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