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psu efficiency

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#1 Guest_nickko_*


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Posted 15 January 2015 - 11:23 AM

good afternoon to all,


i have in my hands a force psu that a friend of mine gave me since he believe is no good for his pc


i have posted a question some time ago in this forum about that psu


please, today i ask to know what is the efficiency of this psu and if this efficiency how i can measure that efficiency


the psu have the follows specifications



dr-8500 btx (max. 500 watts)


+3.3 volts output 22a

+5.5 volts output 16a

+12v1 output is 15a

+12.2v2 output s 16a

-12v 0    output is 0.8a

+5vsb     output is 2.5a


+5v & +3.3v combines 130w

+5v & +3.3v & +12v combines 480w


i think that the psu would be ok with my intel g530 


i am considering to go for the asus gt730 graphics card


my pc is not anything special and it have only the basics


hd wd 250 gb sata

2x2 gb ddr3

samsung multi drive sata

asus p8h61m-le - integrated graphics

intel g530

coolermaster elite (old tower)

two or three external usb devices

usb mous and ps2 keyboard


i think that my pc does not need more than 235 watts and with the graphics card the wattage will be 315 watts  so the force psu will be just fine even if it's efficiency is low as 72 %


thanks in advance








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