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Power11: The 5 Most Common Upgrade Triggers
Understand the conditions that most frequently prompt IBM Power shops to upgrade their servers, from imminent lease horizons to escalating maintenance costs
By Andrew Wig
For some, the decision is predetermined and straightforward, the product of a carefully calculated timeline put in place years ago. Others are yet to determine whether now is the time to make the move. To find out where you stand, consider the conditions that typically trigger a Power server upgrade.
In his lengthy experience working with IBM Power shops, Randy Watson, a capacity and performance analysis expert at Fortra, has observed five factors that typically motivate a shop’s jump to the newest generation of servers:
End of Warranty or Lease
The decision is simplest when it’s part of a schedule. Usually, that schedule depends on the length of the lease and warranty, Watson observes. Such milestones are usually the primary motivation for upgrading, he says.
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Server Consolidation
The efficiencies that can be gained through consolidation amount to the second most popular reason to get the new server, according to Watson. His colleague, Fortra senior technical consultant Alex Lazzaro, adds: “In the case of co-location, the customers can have big savings by reducing the footprint and power consumption. They can do this by replacing old, bigger servers with smaller, new ones that consume less power.”
For instance, a shop with a 1024 model for Power10 might save space by opting for a lower-tier, smaller Power11 model that provides similar performance. This could mean choosing the 1122 instead of the 1124, Watson explains. “What's the difference between the 1124 and 1122, performance-wise? Not a lot,” he says.
Moving to the Cloud
The third most popular upgrade trigger, according to Watson, is whether a given shop plans to move to the cloud. IBM increased its cloud emphasis when it shipped Power11 in July 2025. The date marked the first time a new Power server was available in the cloud, via Power Virtual Server, on day one of general availability.
Cloud, Memory and Your Upgrade Cadence
Reduced Software Costs
If you’re planning to handle the same workload levels with your new server, upgrading can result in reduced software costs. Software licensing fees are connected to core counts, so as those individual processor cores get more powerful with each generation, shops require fewer cores for the same amount of work, Watson explains.
Shawn Bodily, a senior IT consultant and services manager at Clear Technologies, says a new server can end up paying for itself through such software cost savings. “Often, the biggest part of the cost savings equation is being able to reduce application licenses. Oftentimes, the savings in these areas is more than the price of a new implementation,” Bodily says.
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AI-Native architecture →
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Zero Planned Downtime
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Performance and Efficiency Gains
Reduced Maintenance Costs
Similar to the dynamic at play with software costs, a move from an older Power generation to a more efficient, lower-tier Power11 system can also reduce maintenance fees. It is important to consider, however, that while higher system capacity is associated with higher maintenance fees, doing nothing can also lead to escalating maintenance costs. When a Power server reaches end of service, extended maintenance support can still be found, but it gets “very expensive,” Bodily says.
The cost of obtaining hard-to-find parts for aging hardware is another concern. “As years go by, hardware maintenance gets more and more expensive with parts being harder to get,” Lazzaro says. “I know companies that are still running on a 520 (POWER6). They cannot upgrade because their third-party software is way behind, and they have hardware problems literally every month.”
Important Dates
IBM’s end-of-service and end-of-marketing dates are important factors in your upgrade timing. As you determine whether now is the time to make the move, consider these milestones:
For those affected by these dates, “clearly it is time to prepare HMCs, VIO servers and operating systems for the new hardware before it becomes an emergency,” Lynch says.
