What power supply (Watts) do I need for my PC?

Guest · Jun 9, 2013

I am going to build my own pc (for the first time, woohoo!) and I am quite unsure which power supply I use (in watts).

My components are going to be :

processor : AMD FX 8350 4.0GHZ

Water cooler : Corsair Cooling Hydro Series H60 v2

Video card : XFX Radeon HD 7950 3GB GDDR5

Motherboard : ASUS SABERTOOTH 990FX/GEN3

ASUS DVD Writer, DRW-24B5ST

Storage (mechanical) : Seagate Barracuda® 1TB

SSD : Corsair SSD Nova Series 2, 30GB (for OS(Windows 7)

Dark Lord of Tech · Jun 9, 2013

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151095

SeaSonic M12II 620 Bronze 620W ATX12V V2.3 / EPS 12V V2.91 SLI Ready 80 PLUS BRONZE Certified Modular Active PFC Power Supply.

Will power your specs listed.

Guest · Jun 9, 2013

Thank you for the quick answer. So 620 is what I need - Do you think buying a 750W is a good idea in case I am going to upgrade in the future?

Swordkd · Jun 9, 2013

If you plan on throwing in another video card and using crossfire and overclocking, then a 750w wouldn't be a bad idea. If you just want to overclock, the 620 will work just fine. I'm showing that you are running about 440w total draw as is, but if you add another vid. card, you push it to 639w.

Dark Lord of Tech · Jun 9, 2013

Thank you for the quick answer. So 620 is what I need - Do you think buying a 750W is a good idea in case I am going to upgrade in the future? Yes

http://www.newegg.com/Product/Product.aspx?Item=N82E16817207029

XFX P1-750B-BEFX 750W ATX12V 2.2 & ESP12V 2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply.

Here is a nice unit.

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What power supply (Watts) do I need for my PC?

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