Intel's long-expected Xeon E5 processor may have a narrower launch window. A rumor floated by Digitimes' industry contacts had the E5-2600 series and their matching C600 mainboard chipsets arriving in March. About 15 processors would start the line, beginning with the quad-core, 1.8GHz Xeon E5-2603 at a $202 bulk price and scaling up to the range-leading eight-core, 2.9GHz Xeon E5-2690 at $2,057.