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IDC: Disk Growth Slows

FRAMINGHAM, Mass. -- According to the IDC Worldwide Quarterly Disk Storage Systems Tracker, worldwide external disk storage systems factory revenues in the third quarter of 2007 (3Q07) grew 5.1% from a year ago to $4.4 billion, down slightly from the three previous quarters but still marking 19 consecutive quarters of year-over-year growth. For the quarter, the total disk storage systems market grew to $6.3 billion up 4.3% from the prior year's quarter. Total disk storage systems capacity shipped grew 49.4% from a year-ago quarter, reaching 1.3 exabytes.

"External networked storage for open systems enjoyed healthy growth this quarter, pointing to the continuing need for solutions that help customers effectively store and manage data growth," said Brad Nisbet, program manager, IDC Storage Research. "In particular, we are seeing strong demand for NAS systems aimed at easing the pain associated with managing file-based data, and an increased demand for iSCSI systems in both SMB and virtualized server environments."

Total External Disk Storage Systems

EMC maintained its lead in the external disk storage systems market with 21.9% revenue share, followed by IBM and HP in a statistical tie for the number 2 position with 14.0% and 13.4% revenue share, respectively. Dell and Hitachi rounded out the top 5 with 9.3% and 8.5%, respectively. Among the top 5 suppliers, Dell posted the strongest year-over-year revenue growth (17.9%) during 3Q07.

Network Disk Storage Systems

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