IBM held onto its #1 spot in the worldwide server systems market with 36.7% market share in factory revenue for Q4 2007, growing factory revenue by 0.5% YTY, according to IDC. HP maintained the #2 spot with 27.7% share for the quarter, growing revenue 6.3% compared to Q4 2006. Dell and Sun ended the quarter in a statistical tie for third place with factory revenue market share of 10.1% and 9.3% respectively. Dell experienced 6.8% revenue growth compared with Q4 2006, while Sun experienced a YTY revenue decline of 2.4% in Q4 2007. Fujitsu-Siemens, experienced a 7.1% increase in factory revenue holding 4.3% revenue share in Q4 2007. HP maintained the #1 spot in the server blade market in 4Q07 with 47.7% revenue share. IBM finished second with 32.5% revenue share.
| Vendor | Q4 2007 Revenue | Q4 2007 Share | Q4 2006 Revenue | Q4 2006 Share | Growth, YTY |
| IBM | $5,752 | 36.7% | $5,724 | 37.5% | 0.5% |
| Hewlett-Packard | $4,337 | 27.7% | $4,081 | 26.7% | 6.3% |
| Dell | $1,580 | 10.1% | $1,480 | 9.7% | 6.8% |
| Sun | $1,457 | 9.3% | $1,493 | 9.8% | -2.4% |
| Fujitsu Siemens | $666 | 4.3% | $ 622 | 4.1% | 7.1% |
| Other | $1,860 | 11.9% | $1,875 | 12.3% | -0.8% |
| Total | $15,653 | 100.0% | $15,275 | 100.0% | 2.5% |
| Source: IDC | |||||