[geeks] New Intel Atom-based barebones system

jodys at helluin.org jodys at helluin.org
Wed Aug 20 11:07:46 CDT 2008


On Wed, Aug 20, 2008 at 11:22:12AM -0400, der Mouse wrote:
> >> What sort of power factor (ball park) do computer power supplies have?
> 
> > Well, Antec makes a big deal about their new, power-efficient, 80+
> > percent efficient power supplies, so I infer that "normal" power
> > supplies are less than 80% efficient (that means the power supply
> > takes 100 watts from the wall to produce 80 watts, correct?).
> 
> That's what I would interpret efficiency as.

The new Energy Star standard indicates power factor correcting supplies
giving a pf exceeding .8. This is known as 80 PLUS Certified (TM). Many 
vendors are jumping on that bandwagon, which I consider a good thing. 

I can't really comment on the *efficency* of those power supplies, I'm 
no EE.

Jody



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