The server market had been in decline since its peak in 2000, with theof 2003. For the third quarter, IDC had expected 1 percent growth, but saw 2 percent instead in large part because of sales of lower-end "volume" machines--costing less than $25,000--that ship in larger quantities.
"Volume servers are generating most of the positive momentum in the worldwide server market," with 19.5 percent growth, IDC Server Group Vice President Vernon Turner said in a statement, though he cautioned that two quarters of growth don't necessarily mean a long-lasting rebound is under way.
Servers are networked systems that handle data storage and processing tasks such as submitting credit card payments or keeping track of which airplane seats on a flight are reserved. The systems range from small machines not far removed from desktop computers to.
Declines in the market have been caused by stiff competition, which forced sellers to offer deep discounts. In addition, customers grew stingy in recent years, curtailing spending that had been lavish because of the Internet mania or because of upgrades to thwart Year 2000 problems.
Another third-quarter bright spot was sales of servers using the Linux operating system, which rose to
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"Linux has been growing and growing and growing, both in revenues and units, rather consistently," said Jean Bozman, an IDC research vice president. Despiteon the open-source operating system, "It looks like people are just buying them anyway...This is accelerating," Bozman said.
The top four duke it out
The top four server makers--IBM, Hewlett-Packard, Sun Microsystems and Dell, in descending order--accounted for more than 80 percent of all revenue in the market, IDC said. Among those, IBM widened its lead over HP, while Dell encroached on Sun.
Among the top four, only Sun saw its revenue decline, down 9.3 percent to $1.17 billion. The fastest growth was at Dell, whose revenue increased 11.6 percent to $1.03 billion. Sun had 10.8 percent of the overall market to Dell's 9.5 percent.
IBM grew 6.6 percent to $3.37 billion, or 31.1 percent of the market, while HP grew 3.5 percent to $3 billion, or 27.7 percent of the market.
Sun specializes in servers using the Unix operating system and hardware with RISC (reduced instruction set computing) processors, though it's expanded to accommodate Linux and "x86" chips such as AMD's Athlon and Intel's Xeon.
The Unix server market has been declining, but those declines appear to be reversing. "Some of the bleeding here in Unix servers may be drying up," Bozman said. The decline was 3.8 percent, to $4.1 billion, this quarter, a slowing from the 5 percent in the second quarter and the 12 percent in the first.
"There's been a lot of press and talk about how Unix servers are on their way out and Linux is taking their place, but the demand for Unix servers is still strong," Bozman said.
In the Unix market, HP took first place for the quarter with 33.8 percent share. Sun had 28.4 percent, and IBM 25.6 percent. Sun has been the top Unix server seller for years on an annual basis but historically is weakest during the third quarter of the calendar year, the beginning of Sun's fiscal year.
In the Linux market, HP was No. 1, with $209 million in revenue. IBM and Dell were tied at $144 million, but IBM increased its share 0.2 percentage points while Dell slipped 0.8 percentage points compared with the year earlier.
IBM pushed to the forefront of the market for "blade" servers, thin systems that share a common enclosure. This new but small market grew at a torrid pace, expanding 763 percent, to $164 million, in the third quarter.
IBM took over HP's former lead in both unit shipments and revenue, IDC said, with $57 million in sales to HP's $54 million and 18,000 shipments to HP's 14,000.
Servers using Windows also grew, rising 10.3 percent to $3.4 billion, IDC said. "Even though we see this tremendous growth in Linux servers, it is not preventing the Windows market from growing," Bozman said.