Power Supply Question?

Hi,

I have been hearing a lot lately about power supplys. What is the
differnece between a 300w and for example a 500w psu? Besides the
obvios increased voltage. Like, does it include more connectors for
the hhd and cdrom drives? Some Mobos are capable of 6 ata-100/33
devices plus SATA or raid. So i guess what i really want to know is
there a web site for my questions? Thanks.

ANDREW

Andrew wrote:
> Hi,
>
> I have been hearing a lot lately about power supplys. What is the
> differnece between a 300w and for example a 500w psu? Besides the
> obvios increased voltage. Like, does it include more connectors for
> the hhd and cdrom drives? Some Mobos are capable of 6 ata-100/33
> devices plus SATA or raid. So i guess what i really want to know is
> there a web site for my questions? Thanks.
>
> ANDREW

www.amd.com has some tech reports, one of which explains how to
calculate power requirements.