facebook spying on us?

Simon Leinen simon.leinen at switch.ch
Sun Oct 2 07:30:05 UTC 2011

> Data Center Knowledge posted about 20 minutes of very poorly shot
> video of Prineville.  They're Open Compute servers in 'triplet' racks.
> Their power supply (also open) runs across 2 legs of a 277/480 3-phase
> feed, which is usually what the substation supplies to your PDUs,
> which step it down further to 120/208.  It also takes -48, and each
> pair of triplets has a 48V float string that will run the 180 servers
> for about 45 seconds.

> It's a nice setup.  I plan to steal it.  :-)

That's what they want you to do - check out the specs on


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