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Can You Install A PSU That Has Too Much Power?


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#1
Webslinger64

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I have a 300 Watt PSU in a Pentium 4, 1.8GHz machine and am thinking about replacing it with another PSU that's 500 Watts, possibly a 750 Watt. I'm just curious if that's excessive, or will the extra wattage be good for my computer and all hardware components?
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#2
rastadog

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Having a PS larger than you need won't hurt your components. It might use a little more power than a smaller one would. All other things being equal, it's probably better to buy a little more capacity than you need, to give you headroom in the future to upgrade to card(s) that need more power.
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#3
Webslinger64

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Having a PS larger than you need won't hurt your components. It might use a little more power than a smaller one would. All other things being equal, it's probably better to buy a little more capacity than you need, to give you headroom in the future to upgrade to card(s) that need more power.


Thank you!
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