[Beowulf] bring back 2012?

Stu Midgley sdm900 at gmail.com
Mon Aug 22 17:01:51 PDT 2016

> > iirc a typical 1U fan dissipates up to ~3W, but that's only when running
> > full on (screaming 14krpm...).  not to mention the wide availability of
> > simple 4-system-in-2u chassis (more efficient fans).
> i don't have any empirical evidence only 2nd hand information from
> when i was an employee at Appro.  We did some serious system power
> tuning for some large customers who had very stringent power
> requirements.  but in any case i think your power numbers are on the
> low side for auxiliary power draw in a system.

I'd agree.  Most of our fans are 3 to 5amps @ 12V... which makes their max
power draw between 36 and 60W.

BUT if you are cooling the cpu/dimms via some other means then they won't
be at full power.

Dr Stuart Midgley
sdm900 at sdm900.com
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