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Power effiency ratings

P

Pythias

Senior member
Whats the deal? Does this mean that a "700 watt" zippy with an effiency rating of 70% is really only a 490 watt psu? or does it mean that a lower effiency rating simply requires more juice from the house end?

Thank you for your time.
 
Originally posted by: Pythias
Whats the deal? Does this mean that a "700 watt" zippy with an effiency rating of 70% is really only a 490 watt psu? or does it mean that a lower effiency rating simply requires more juice from the house end?

Thank you for your time.
Click to expand...

it means it draw 910W from the wall when using 700W ie. 30% of power is converted to heat.
 
Originally posted by: biostud
Originally posted by: Pythias
Whats the deal? Does this mean that a "700 watt" zippy with an effiency rating of 70% is really only a 490 watt psu? or does it mean that a lower effiency rating simply requires more juice from the house end?

Thank you for your time.
Click to expand...

it means it draw 910W from the wall when using 700W ie. 30% of power is converted to heat.
Click to expand...

Ah, gotcha. Appreciate your help. :beer:
 
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