Ahh ok, thanks Greg-but what about say laptop power supplies?
For example, I plugged my new laptop (Acer Aspire 7745G) into my Kill A Watt EZ 
and the KAW told me that the laptop was drawing ~60VA at .5 Amps, but only 
getting 30 watts of power, which gave me a PF of .5!! So what I'm wondering is, 
am I paying for the 60 VA draw or the 30 watt draw with the power company?  
Does that make sense?  Been reading up on all this stuff and just trying to 
understand it... BINO
 > From: [email protected]
> To: [email protected]
> Date: Sun, 31 Jul 2011 22:32:54 -0500
> Subject: Re: [H] PFC (power factor corrected) PS for PCs?
> 
> You can probably find some bottom feeder power supplies that don't have PFC,
> but I wouldn't trust them to power a fan. 80 PLUS certification requires PFC
> (active or passive) to correct PF to 0.9 or better, and I wouldn't dream of
> ever buying a PSU, even for a system I don't care about, that wasn't 80 PLUS
> certified.
> 
> Speaking of 80 PLUS, SeaSonic's 80 PLUS Platinum certified units, which
> requires 90%+ efficiency, are due out in September. I think I may finally
> upgrade my S12-600.
> 
> > -----Original Message-----
> > From: [email protected] [mailto:hardware-
> > [email protected]] On Behalf Of Bino Gopal
> > Sent: Sunday, July 31, 2011 10:11 PM
> > To: [email protected]
> > Subject: [H] PFC (power factor corrected) PS for PCs?
> > 
> > 
> > So for all you guys building computers, are all power supplies PFC
> nowadays,
> > or do you specifically only buy the ones that are PFC? BINO
> > 
> 
> 
                                          

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