IBM Power Systems have seen the largest shift in customer spending share in UNIX history, with IBM gaining market share over HP and Sun. New technologies like POWER5 Micro-Partitioning, POWER6 Live Partition Mobility, and POWER4 Dynamic LPARs have allowed customers to move to higher value workloads on Power Systems. Based on data from IDC, IBM has increased its UNIX server revenue share over the past decade while HP and Sun have lost share.

1. IBM Power Systems
Customers are moving to higher value
…as shown by the largest shift of customer spending in UNIX History
40%
UNIX Server Rolling Four Quarter Average Revenue Share
POWER6
Live Partition
Mobility
35% POWER5
Micro-Partitioning
30%
POWER4
25% Dynamic LPARs
20%
HP Sun IBM
15%
9
0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
39
10
30
10
30
10
30
10
30
10
30
10
30
10
30
10
30
10
30
10
30
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Source: IDC Quarterly Server Tracker Q409 release, February 2010
© 2010 IBM Corporation