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http://www.amd.com/us-en/Processors/..._14266,00.html
SE—indicates a higher power, frequency-optimized AMD Opteron™ processor.
Performance of an AMD Opteron™ processor SE model number, XYZZ, is equal to the performance of the same model number standard-power version. For example, an AMD Opteron processor Model 2220 SE offers the same performance as a standard wattage AMD Opteron™ processor Model 2220 -- however Model 2220 SE will be available at an earlier date than the standard power model
che tradotto significa che ciucciano di + ma che sono la prima uscita di un modello che consumerà meno
