Re: Want to move to all 208V for server racks

[Kevin Stange <kevin () steadfast net>]

On 12/03/2010 03:21 PM, Matthew Petach wrote:
> On Thu, Dec 2, 2010 at 8:58 PM, Alex Rubenstein <alex () corp nac net> wrote:
> ...
> > Anyway, back to topic: Vendors, please a) get all your gear to cool front-to-back, and b) let it take 480 polyphase 
> > and not require a neutral. I, for one, will be happier. The datacenter of tomorrow (hell, today) require this.
>
> People are still feeding their gear with AC?  Save on PS inefficiency,
> and feed direct 12/5vDC to the servers.  Save space, save power,
> save cooling.

If you're already in a datacenter, getting 208V AC from an existing AC
infrastructure is a lot easier, cheaper, and sometimes more plausible
than building a DC plant.  If you have your own facility, it's a
different story, but if you do colo, you probably have more customers
expecting AC than DC, so you'll at least need to maintain both
infrastructure.

-- 
Kevin Stange
Chief Technology Officer
Steadfast Networks
http://steadfast.net
Phone: 312-602-2689 ext. 203 | Fax: 312-602-2688 | Cell: 312-320-5867

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