Will Sub-Capacity Models Save Your Site CPU?

In the last six or seven years, more organizations have been considering these options during their upgrades. But why has it become a trend now, and if it can save costs, why haven’t all adopted it? Is it as simple as checking a different box in the IBM agreement, or is there more complexity involved?

These questions underscore the need to understand the shift in the mainframe landscape and why some organizations hesitate to explore the potential cost-saving benefits of sub-capacity CPCs. Unraveling this mystery requires a guide who comprehends the intricacies and has a proven track record of maximizing CPC performance.

Hence, in this reprint from Cheryl Watson’s Tuning Letter 2023 No. 4, Todd Havekost, Senior Consultant at IntelliMagic, addresses common questions clients have about upgrading to a CPC in a lower speed range.


IntelliMagic highly recommends subscribing to the quarterly Watson Walker Tuning Letter for the best z/OS technical articles in the industry.