Linked by Thom Holwerda on Wed 6th Dec 2006 23:04 UTC
Oracle and SUN Sun has been touting the efficiency of servers using its first-generation UltraSparc T1 'Niagara' processor, but it's promising greater gains with the chip's sequel. The first Niagara consumes about 70 watts running flat out. Sun now thinks Niagara 2 will consume between 70 and 80 watts, John Fowler, executive vice president of systems, said in a meeting with reporters at Sun offices here Tuesday. Although that power consumption is 'just a teeny bit above Niagara 1', Fowler said, the newer chip absorbs several functions that today require separate electronics and also can handle 64 simultaneous instruction sequences, called threads - twice that of Niagara 1.
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The processor converts all that power into heat. Lower heat = greater server densidy = cheaper real estate.

Also, outside of the electricity and cooling bills you need to factor in the extra costs of providing backup power for your mission critical servers.

Power might not make much difference to Joe Home user with 1 or 2 machines in their houses, but it does to most buisnesses with server rooms.

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