AFR · Annualized Failure Rate
The fraction of a component population expected to fail per year; the fleet-planning number behind spares pools and maintenance budgets.
Current numbers
~9% AFRcombined H100 GPU+HBM annualized failure rate (~1.34% over 54 days → ~27% cumulative over 3 yr)
~9% / yreffective GPU annualized failure rate in production fleets; cumulative risk >25% over 3 yr