"HP captured worldwide market share of 25.4% in 2Q15 on 7.7% year-over-year revenue growth to $3.4 billion. HP's revenue growth was driven primarily by strong demand for its density-optimized servers, which grew 118.7% year over year, and its rack-optimized servers, which grew at a more modest 10.5% year over year but still managed to contribute a larger portion to HP's overall revenue growth."
It is HP that uses x-gene in its "Moonshot" server.