= Allowed Downtime - Up to Five 9s =
**Summary**: What would be your uptime - or downtime - for how many 9s. \\
**Date**: 20 February 2025 \\
{{tag>itmanagement}}
^ Required Availability ^ Required Uptime hours/year ^ Allowable Downtime /year |
|90% (0.9) |7889.4 |36.525 days |
|99% (0.99) |8678.34 |3.6525 days |
|99.9% (0.999) |8757.23 |8.766 hours |
|99.99% (0.9999) |8765.12 |52.596 minutes |
|99.999% (0.99999) |8765.91 |5.2596 minutes |
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