Recommended PSU for my build considering low power consumption

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Lemuel Nabong

Lemuel Nabong

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Aug 10, 2013
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INTEL CORE i3 3220
SAPPHIRE HD7750 1GB DDR5 128BIT

Do i need to get a lowest watts PSU that is enough to power my system to save money on my electric bills?
 
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Traciatim

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Nov 11, 2006
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That's recommended because they have to account for the people that are going to buy $10 power supplies that would melt if they came anywhere near your rated capacity. My own i3-530 with a 5770 in it pulls about 220 watts from the wall when running (as measured with a Watt's Up Pro meter).

SR-71 is correct, the machine will only use what it needs, the rating on the power supply is the maximum it is capable of supplying, not how much it uses.

 
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Lemuel Nabong

Lemuel Nabong

Honorable
Aug 10, 2013
33
0
10,530


Get it thanks. But how about that efficiency thing? Most of the PSU are efficient at 50% load, will i consider that in choosing my PSU to meet that 50%? say that ill be on 100-130watts load on average?
 
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