Do I need more power?

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SlipOSkull

Honorable
Dec 18, 2012
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Hi guys just finished my first ever build and I am very proud of it (thanks to you guys). Now that it's up and running I want to install a graphics card. I think I'm going to go with http://www.amazon.com/GDDR5-technology-Graphics-Cards-HD7770-2GD5/dp/B0088PK040/ref=sr_1_2?s=pc&ie=UTF8&qid=1374463515&sr=1-2&keywords=graphics+cards. Anyways, I've used psu calculators online and they just don't seem to give me a legitimate answer. They keep telling me I only need like 380W. So here are my components.
Case: Phantom 410 (2 120mm, 1 140mm and 30W controller)
MOBO: AsRock z77 Extreme 4
CPU: intel i5 2405s (65w)
PSU: 600W diablotek

Those are the main power suckers. And I don't plan on overclocking. So do I have enough power?
 
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4745454b
What you have doesn't use a lot of power. You have a 65W CPU and the 7770 uses less then 100W. (80 something I think.) Your total power draw would be 200W or less.

That said, whoever suggested you buy a diablotek PSU wasn't giving you good advice. I have yet to see a single PSU from them survive any real testing. As such I don't suggest people use them. Return if possible and get a better one. The Antec 380W green or the Corsair CX430 should power that setup just fine. The 7770 just doesn't use a lot of power.
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4745454b

4745454b

Titan
Moderator
Apr 29, 2006
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What you have doesn't use a lot of power. You have a 65W CPU and the 7770 uses less then 100W. (80 something I think.) Your total power draw would be 200W or less.

That said, whoever suggested you buy a diablotek PSU wasn't giving you good advice. I have yet to see a single PSU from them survive any real testing. As such I don't suggest people use them. Return if possible and get a better one. The Antec 380W green or the Corsair CX430 should power that setup just fine. The 7770 just doesn't use a lot of power.
 
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