IBM regained the No. 1 position in servers in the fourth quarter of 2010, capturing 35.5 percent share of worldwide server revenue, a new report from Gartner shows.
In the hotly contested server market, IBM outperformed key competitors in the quarter, growing revenue by 26 percent and gaining 2.8 points of market share, according to Gartner.
The Gartner report also found that IBM was No. 1 in the market for UNIX servers, with nearly 42 percent market share in the fourth quarter. IBM grew UNIX revenue by 9.9 percent, according to Gartner.
IBM ended the year with $5.2 billion in server revenue for the fourth quarter of 2010, accounting for 35.5 percent of worldwide server revenue. The company had server revenue of $4.1 billion, or 32.7 percent market share, in the fourth quarter of 2009.
IBM's growth was fueled by its System z and System x product lines.