Worldwide external disk storage systems factory revenues grew 8.5% in Q2 2006 to $4.2 bln for the 13th consecutive quarter of YTY growth. The total disk storage systems market grew to $5.9 bln in Q2 2006, up 6.0% from Q2 2005. For the first time, total disk storage systems capacity shipped 704 petabytes, growing 51.5% from the same quarter one year ago. EMC and HP finished the second quarter in a statistical tie for the number 1 position in the external disk storage systems market with 20.0% and 19.3% revenue share, respectively. IBM maintained the third position with 13.2% market share while Hitachi, Dell, and Sun ended the quarter in a statistical tie for number 4 with 8.0%, 7.8%, and 7.1% revenue share, respectively. Among the top vendors, HP, Hitachi, and Sun each had double-digit YTY growth.
| Global external storage market in Q2 2006 | |||||
| Q2 2006 | Q2 2005 | Growth | |||
| Vendor | Revenue | Share | Revenue | Share | YTY |
| EMC | $830 | 20.0% | $806 | 21.0% | 3.0% |
| HP | $800 | 19.3% | $725 | 18.9% | 10.3% |
| IBM | $547 | 13.2% | $527 | 13.8% | 3.7% |
| Hitachi | $332 | 8.0% | $284 | 7.4% | 17.0% |
| Dell | $326 | 7.8% | $315 | 8.2% | 3.5% |
| Sun | $295 | 7.1% | $248 | 6.5% | 19.1% |
| Others | $1,025 | 24.7% | $926 | 24.2% | 10.7% |
| All Vendors | $4,154 | 100.0% | $3,830 | 100.0% | 8.5% |
| Source: IDC | |||||