Glossary
Total Cost of Ownership (TCO)
The full multi-year cost of running a system: acquisition, hardware maintenance, software licensing, and services, combined.
TCO is the umbrella metric behind most of this site's pillar pages. Annualized Ownership Cost expresses TCO as a per-year figure over a defined hold period; Competitive TCO compares that figure against x86 and cloud alternatives.
Related Terms
Annualized Ownership Cost
The modeled per-year cost of owning a system over a defined hold period: amortized hardware, maintenance, and software licensing combined.
Power Value Index (PVI)
This site's independently developed 0-100 composite score ranking IBM Power8 through Power11 on performance, capacity, remaining useful life, software economics, market price, and value retention.