Amazon S3
High-performance, secure cloud storage for AI, analytics, and scalable data workloads
About Amazon S3
Amazon S3 is a leading object storage service offering unmatched durability, security, and cost efficiency. It supports data lakes, AI workloads, and cloud-native applications with flexible storage classes, advanced analytics, and granular access controls. Trusted by millions globally, S3 provides a robust foundation for modern data management and AI innovation.
FAQ
Amazon S3 is object storage built to store and retrieve any amount of data from anywhere. It offers industry-leading durability, availability, performance, security, and virtually unlimited scalability at very low costs.
To sign up for Amazon S3, visit the S3 console. You must have an Amazon Web Services account to access this service. If you do not already have an account, you will be prompted to create one when you begin the Amazon S3 sign-up process.
You can store virtually any kind of data in any format in Amazon S3. The total volume of data and number of objects you can store are unlimited, with individual objects ranging from 0 bytes to 50 TB.
Amazon S3 offers general purpose buckets, directory buckets, table buckets, and vector buckets. General purpose buckets are recommended for most use cases, directory buckets are for low-latency use cases with S3 Express One Zone, table buckets are for storing tabular data in Apache Iceberg format, and vector buckets are for storing and querying vectors.
Amazon S3 is designed for high reliability. The S3 Standard storage class is designed for 99.99% availability, while other storage classes have varying availability guarantees. All storage classes are backed by the Amazon S3 Service Level Agreement.
Yes, Amazon S3 provides an SLA that offers a service credit if a customer's monthly uptime percentage is below the service commitment in any billing cycle.
Amazon S3 delivers strong read-after-write consistency automatically. After a successful write of a new object or an overwrite of an existing object, any subsequent read request immediately receives the latest version of the object.
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