Sustainability of switching power supplies

[Ralf Mardorf]

On Sat, 21 Nov 2020 17:30:08 -0700, Brett Glass wrote:
>At 01:24 AM 11/21/2020, Ralf Mardorf via freebsd-chat wrote:
>
>That's why Glass's Law of Electronic Diagnosis states: Whenever you 
>are asked about the failure of an electronic device, simply say, "It's
>the power suppply."
>
>You will be correct about 99% of the time

That's exactly my experiences with gear using switching power supplies,
but not with gear using classic power supplies. And yes, when I ask for
"sustainability" everything should be taken into account. The better
efficiency, but also other variables, such as special waste, if the
device is borked.