> Be careful with projecting these numbers forward. As far as I can tell, there’s no SLA for durability, only for 99.9% uptime (you can get 10% off your bill if this is violated)

> Designed to provide 99.999999999% durability and 99.99% availability of objects over a given year.

https://docs.aws.amazon.com/AmazonS3/latest/userguide/DataDu...

This isn’t in their SLA but they do post it.