After two consecutive quarters of single-digit revenue growth, Linux server revenue growth accelerated once again, growing 15.3% to $1.8 bln when compared with Q4 2005. Linux servers now represent 11.9% of all server revenue, up more than 1 point over Q4 2005. However, after eighteen quarters of double digit shipment growth, Linux server shipments declined 0.8% YTY as IT consolidation extends its reach into the open source domain.
| Server market in 2006 | |||||
| 2006 | 2005 | Growth | |||
| Vendor | Sales | Share | Sales | Share | YTY |
| IBM | $17,159 | 32.8% | $16,890 | 32.9% | 1.6% |
| Hewlett-Packard | $14,246 | 27.2% | $14,183 | 27.7% | 0.4% |
| Sun Microsystems | $5,631 | 10.8% | $4,878 | 9.5% | 15.4% |
| Dell | $5,375 | 10.3% | $5,260 | 10.3% | 2.2% |
| Fujitsu/Fujitsu Siemens | $2,691 | 5.1% | $2,904 | 5.7% | -7.3% |
| Others | $7,182 | 13.7% | $7,169 | 14.0% | 0.2% |
| All Vendors | $52,285 | 100.0% | $51,283 | 100.0% | 2.0% |
| Source: IDC | |||||