<br><br><div class="gmail_quote">On Thu, Mar 27, 2008 at 8:14 AM, Geoffrey <<a href="mailto:lists@serioustechnology.com">lists@serioustechnology.com</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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</div>Actually, I would prefer that NO load overload my power supply. ;) You<br>
really want at least 'a little bit more' power supply then you thing you<br>
will actually need for the heaviest load you're going to run, even if<br>
that heavy load is only once in a blue moon.<br>
<font color="#888888"><br></font></blockquote></div><br>To add to this: power supply efficiency peaks around 80-90% of the max rating. So a 400W psu is really best used at 340W output. Now the crunchy part is most psu's are less than perfect at the extremes of the power usage band. This amounts to noise on the DC lines. This noise seems to get worse at the upper end of the power output. The lower end is easier to filter out the noise (low cost so it happens) than the high output end ($$$$$).<br clear="all">
<br>-- <br>-- <br>James P. Kinney III <br>