| Tier | Description | Availability | Max outage |
|---|---|---|---|
| Tier 1 | Basic capacity – no redundancy | 99.671% | 18.8 hours/year |
| Tier 2 | Partial redundancy – for power & cooling | 99.764% | 11 hours/year |
| Tier 3 | Increased redundancy – 72 hours of outage protection | 99.982% | 1.6 hours/year |
| Tier 4 | Fully tolerant; 1N+1 for everything | 99.995% | 26.3 minutes/year |
Last active
August 4, 2025 08:39
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