IBM held onto its #1 spot in the worldwide server systems market with 37.9% market share in factory revenue for Q4 2006, growing factory revenue by 3.8% YTY. This growth was driven by solid performance from its System x, System z and System p servers. HP maintained the #2 spot with 26.8% share for the quarter, growing revenue 5.1% compared to Q4 2005. HP’s growth stemmed from strong Proliant server performance. Although there was a statistical tie for the third position between Sun and Dell, Sun continues to show strong momentum in the market growing 24.4% YTY and holding a 9.7% share for Q4 2006, an increase of 1.5 points of share over Q4 2005. Dell grew revenue by 2.4% compared to Q4 2005, ending with 9.4% revenue share. Fujitsu/Fujitsu-Siemens, experienced a 2.8% increase in factory revenue holding 4.1% revenue share in Q4 2006.