alt.engineering.electrical

On Fri, 10 Aug 2007 02:06:48 GMT, "Don Kelly" wrote:

>----------------------------
>"Will" wrote in message
>news:TMednSG3HoLXJibbnZ2dnUVZ_vCknZ2d@ ...
>> I'm curious if anyone has data on sources of power draws on a typical
>> server computer. On an AMD single dual core processor system that we
>> start up in an energy saving mode at GHz, we are measuring 350 watts
>> in idle state. No hard drives are installed. The processor itself is
>> specified to run at around 95 watts under load, so the additional 250
>> watts of energy use surprised me a little. How much of the remaining
>> energy utilization is going to chipsets and how much is going to fans?
>>
>> --
>> Will
>>
>Are you measuring watts or volt-amperes?


One also must keep in mind that the "provided side" of a PS (the side
for which the power specs are stated for) is not the same as the input
"line" side. They consume more than they produce, in other words.

A fully loaded 500W PS uses far more than 500W on the input side.