rickman  wrote:

> On 1/28/2017 3:53 AM, Jamie Kahn Genet wrote:
> > So far the best I've personally tried is the Solarbotics Pi S.A.F.E. V3
> > .
> >
> > But it's still not perfect, with rather small gaps for fan airflow, and
> > the included screws are a very tight fit. But I like it well enough, and
> > it looks good sitting next to my TV and the like.
> >
> > Still, I wonder if there's not a better choice that is both reasonably
> > priced, and fully encloses the Pi.
> >
> > Anyone?
> >
> > BTW - I need active cooling because I run BOINC 25/7 when I'm not
> > otherwise using my Pis. I hate to waste CPU time :-)
> >
> > And I need to use a 40mm+ fan, because I've yet to find a quiet smaller
> > fan. I wish I could find a quiet 30mm fan, as cases with 30mm fan
> > mountings seem to be incredibly common, vs larger mounting sizes.
>
>  From the examples I have read you only need a modest heat sink on the
> CPU to improve the cooling enough to work at full speed.  The throttling
> that happens only seems to be a 20% reduction in clock speed so it is
> not overheating terribly.  Dig around on the Internet a bit.  I found
> lots of good pages on the work others have done and it doesn't seem to
> be that much of a problem to deal with.

A small heatsink only provides a reduction of around 5ºC IME. Not
anywhere near enough to prevent a Pi 3 from overheating and throttling,
when run constantly at max usage.

--
If you're not part of the solution, you're part of the precipitate.

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