On Dec 3, 2010, at 16:58, valdis.kletni...@vt.edu wrote: > On Fri, 03 Dec 2010 13:21:07 PST, Matthew Petach said: >> 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. > > What does that do to customer equipment choices? I've got a quarter acre of > boxes that I know want 12/5vDC inside the case, but that's not an easily > available option from the vendor - most of the time the only option is > autoswitching 120-240DC with your choice of power cables. > The 10,000amp bus for the 12v feed for a row of server racks would be a thing to behold. I don't think anyone but Paul Wall has seriously considered this.
> (If anybody has a good TCO analysis for doing this with Dell/Sun/IBM/Apple > servers, I'm willing to listen...) >
