How much watts does my PC need? (PSU)

I am building a Gaming PC, and need to know how many watts my PSU will need to have.

This is my list of components:

Motherboard:Asus Z87-K
Processor:Intel Core i5 4670K
RAM:Corsair Vengeance 8gb 1600mhz
Graphics Card:MSI GTX 760 TwinFrozr OC 2GB
Please, no makes of PSU as i have settled on the Corsair builder series. Thanks!
4 answers Last reply Best Answer
More about watts psu
  1. 650W would be fine, a bit of headroom.
  2. Best answer
    600 watts is more than enough.
  3. For me, you should take a 750w if you planning to SLI your 760 in the future safe.
    Otherwise even a 450 Gold Certificated is good enough.
    Your pc has estimated wattage 400 Max.
  4. Thanks everyone, this really helped. I think I will go with 600w, as I will probably upgrade my pc.
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