Choosing my power supply unit ( PSU ) ?

Guest · Jul 22, 2016

Hi, I want to buy a PSU, But I'm really confused, When I decide or choose how many wattage do I really need, Should i get the total of my pc parts wattage, Example : CPU 90w - GPU 160w - Motherboard 80w, PSU = 330w.
Or should I get the highes watt usage, Example : CPU 90w - GPU 160w - Motherboard 80w, PSU = 160w.
Thanks.
- Nasr

RaDiKaL_ · Jul 22, 2016

Post your PC full specs, not only wattage matters but also the amperage, specially for video cards.

smorizio · Jul 22, 2016

with power supply you always want them larger by 200w more then you need. some of the cheap units are not ttue output that written on them. you want the 12v line to have the most wattage on it so that under gaming load the unit wont overheat or shut down. also want a known good brand.

Guest · Jul 22, 2016

RaDiKaL_ :

I didn't really built one, Or even chose one.

PsyKhiqZero · Jul 22, 2016

Buy quality over wattage. A good modern 550 watt PSU will cover any normalsingle GPU config you can muster up.

For non gaming rigs pretty much any 300 watt PSU will do the trick.

Buying for exact wattage is dangerous as taxing a psu 100 percent is not good.

Guest · Jul 22, 2016

Can please anyone just tell me which method should I use ? Or there's any other method i should use ?
Thanks.
- Nasr

Guest · Jul 22, 2016

Can anyone please which method I should use from the both I said ? Or there's any other method ?
Thanks.
- Nasr

RaDiKaL_ · Jul 22, 2016

It all really depends on what your pc will be, if its a single GPU configuration a 600w with 40A@12v+ rail Bronze Certified from a known brand will do fine. If you however are planning on SLI/Crossfire you should go with 850w+ Gold or Platinum Certified from a known brand.

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Choosing my power supply unit ( PSU ) ?

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