550Watt PSU working on a machine that requires 350Watt.

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Yes, in fact your within range of the power supplies peak efficiency curve. It's always best to have at least 40% higher peak load on the PSU, though taking up more than that is alright as well, so long as you don't stress it at 90% or anything crazy.

Xibyth

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Mar 22, 2014
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Yes, in fact your within range of the power supplies peak efficiency curve. It's always best to have at least 40% higher peak load on the PSU, though taking up more than that is alright as well, so long as you don't stress it at 90% or anything crazy.
 
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