PSU calculators

  • Thread starter Thread starter Dilbert Firestorm
  • Start date Start date
Dilbert Firestorm said:
why do these PSU calculators give widely different watt estimates?

http://www.jscustompcs.com/power_supply/

http://www.3dcool.com/PWC.asp

http://www.casemodgod.com/psu_calculator.htm


from the estimates i got from the 3 sites range from 550 watts to 700
Click to expand...
watts.


Depends on what there is in the case...
I get 261W from Takaman, 203W from casemodgod, 344W from 3dcool and 259W
from jscustompcs
I have:
System is: (HW) ASUS A7V133-C m/b (BIOS 1009), Athlon (T-bird) 1.2 GHz(FSB
100MHz),(Cooler Thermaltake M3), 512MB (SDRAM @100MHz, 256+2*128)),
200+120GB HDs(primary IDE), DVD and CD-RW(sec. IDE), GF2MX (32MB), Creative
SB Live!Value, Hercules SmartTV, D-Link NetNic(DRN-32TX),Godegen Noble
ATX8012 case with 350 power supply and 80mm rear-mounted exhaust fan,

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Dilbert said:
why do these PSU calculators give widely different watt estimates?

http://www.jscustompcs.com/power_supply/

http://www.3dcool.com/PWC.asp

http://www.casemodgod.com/psu_calculator.htm


from the estimates i got from the 3 sites range from 550 watts to 700
Click to expand...
watts.

lol, it estimates my machine at a min of 294W, and I have a 300W PSU,
which is pretty good, but not the worlds best. I also haven't taken
into account my USB flash drive, 120mm fan instead of 80mm fan, and I
have done a FX5200 because they don't list FX550. So according to
those sites my PSU shouldn't be working. I also intend to add a better
sound card, which will be another 10W. It probably doesn't include my
onboard sound, or LAN either.

I'm a little worried about upgrading now, but it should be OK. They
obviously haven't considered CPU efficientcy either. They've
underestimated my hard disk by 5W too.
 
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