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Old October 16, 2013, 06:18 AM
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Default PSU Questions - bronze, silver, gold, platinum

So I have some PSU questions.

Does the efficiency really matter - bronze, silver, gold, platinum? Is it more heat related? What's the short course?

How much power? So if you build a basic computer with no graphics card that's going to pull less than 300 watts does it matter how much of PSU you buy? Is a 1000 watt PSU "inefficient" since you aren't using it's full potential? I realize not enough power would be bad but is too much power equally bad?
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Old October 16, 2013, 07:09 AM
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Quote:
Originally Posted by bonanza2000 View Post
So I have some PSU questions.

Does the efficiency really matter - bronze, silver, gold, platinum? Is it more heat related? What's the short course?

How much power? So if you build a basic computer with no graphics card that's going to pull less than 300 watts does it matter how much of PSU you buy? Is a 1000 watt PSU "inefficient" since you aren't using it's full potential? I realize not enough power would be bad but is too much power equally bad?
The bronze, silver and gold etc are ratings of how efficient the power supply is at 80%. Obviously Gold/Plat is better than bronze but if you have a system without a gpu and using mostly onboard equipment a solid 300-400w is perfectly fine. The problem is most power supplies are starting in the 500w range.

And yes lots of people buy a power supply based off of what they think they'll need when reality it ends up being FAR less than what they need. Someone may think they need a 1000w psu but really only need 400w power supply.
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Old October 16, 2013, 10:46 AM
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I do the same thing the More is better theory and am thinking that I probably just wasted money and space inside my Case on doing this.
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Old October 16, 2013, 06:02 PM
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Buy quality. Its no fun when a power supply takes out other stuff in the box or starts a fire in the case.
I lost 3 drives off legacy data not long ago to a power supply.
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Old October 16, 2013, 06:13 PM
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It's the efficiency that a psu can convert power from the wall to power for the computer(from 120v to mostly 12v). There is always losses in the process, but higher rated power supplies are more efficient.
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