[mythtv-users] Power supply for ATX

Bill Williamson bill at bbqninja.com
Sun Jan 21 23:54:32 UTC 2007

On 1/22/07, Brian Wood <beww at beww.org> wrote:
> On Jan 21, 2007, at 4:13 PM, Bill Williamson wrote:
> > On 1/21/07, Damian Surr <damian at gingermagic.com> wrote:
> >> only see ATX2 and high wattage power supply's. I think the one
> >> that's in
> >> there is 300W and I don't really want to go any higher if I don't
> >> have
> >> to as I don't want it to drink electricity.
> >
> > Power supplies are rated on peak capacity, not power usage.  A 1KW
> > power supply will not draw any more power than a 300W power supply
> > hooked to the same computer, and may even draw LESS power as it will
> > likely be more effecient.
> True but incomplete.
> The rating of a PS is the total of the various voltages, so you
> could, for example, overload the +12V output while still staying
> within the total wattage rating of the supply.

Yes.  He was concerned about drawing extra power with a "bigger" power
supply, which isn't an issue.

More information about the mythtv-users mailing list