Amazon S3 Glacier is a secure, durable, and cost-effective storage system for data archiving and long-term backup. It is aimed at users who need to store and retrieve large amounts of data.
The key features of S3 Glacier include the ability to retrieve data in milliseconds, high data durability and scalability, and extensive security and compliance features.
There are three different storage classes: S3 Glacier Instant Retrieval, S3 Glacier Flexible Retrieval, and S3 Glacier Deep Archive, each optimized for different access patterns and storage durations.
Pricing is based on the storage space used and the retrieval costs. There are no minimum or upfront fees.