Electricity Usage (was Wireless Cards)

Jason Holt jason at lunkwill.org
Mon Nov 7 02:16:47 MST 2005

On Mon, 7 Nov 2005, Shane Hathaway wrote:
> However, note that seemingly minor hardware differences change power 
> consumption significantly.  The computer I built for my dad has an Athlon XP 
> 3000.  It draws 120W most of the time and 160W when it's busy, so it needs 
> much more airflow than mine.  (But his cost less than mine and he uses it 
> less, so it all works out.)  His originally had a 300W PSU, but the PSU died 
> soon after I burned a DVD!  Apparently, burning a disc takes enough power to 
> push some PSUs over the edge.

Fascinating.  Does your meter take into account power factor?  Your Dad's 
power supply could be more inductive than your own.  Apparently, in some 
countries you have to pay extra for inductive loads.


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