hyperscaler compute SLA: multi-AZ region-level vs single-instance Monthly Uptime
99.99% / 99.5%observed
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | Region-Level applies when all running instances are deployed across two or more availability zones in a region (or, in a region with only one availability zone, that zone plus a zone in another region). Instance-Level applies to a single instance. Credits are not stackable for one instance, and exclusions include force majeure. Policy last updated May 25, 2022 (checked 2026-10-16). |
| As of | 2022-05-25 |
| Source | Amazon EC2 / Compute SLA · Region-Level SLA and Instance-Level SLA sections: 99.99% and 99.5% Monthly Uptime Percentage commitments |
| Review | checking…review by 2027-04-16 · standard cadence |
| Recorded changes | last 2026-10-16 · 2 revisions tracked |
| Claim id | hyperscaler-compute-sla-multi-az-region-level |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.