Amazon Simple Storage Service (S3)

Amazon S3

Amazon Simple Storage Service (Amazon S3), provides developers and IT teams with secure, durable, highly-scalable object storage. Amazon S3 is easy to use, with a simple web services interface to store and retrieve any amount of data from anywhere on the web. With Amazon S3, you pay only for the storage you actually use. There is no minimum fee and no setup cost.

Amazon S3 can be used alone or together with other AWS services such as Amazon Elastic Compute Cloud (Amazon EC2), Amazon Elastic Block Store (Amazon EBS), and Amazon Glacier, as well as third party storage repositories and gateways. Amazon S3 provides cost-effective object storage for a wide variety of use cases including cloud applications, content distribution, backup and archiving, disaster recovery, and big data analytics.



Amazon S3 provides durable infrastructure to store important data and is designed for durability of 99.999999999% of objects. Your data is redundantly stored across multiple facilities and multiple devices in each facility.

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Low Cost

Amazon S3 allows you to store large amounts of data at a very low cost. You pay for what you need, with no minimum commitments or up-front fees.

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Amazon S3 is designed for 99.99% availability of objects over a given year.  Amazon S3 is also backed by the Amazon S3 Service Level Agreement, ensuring that you can rely on it when you need it. And you can choose an AWS region to optimize for latency, minimize costs, or address regulatory requirements.


Amazon S3 supports data transfer over SSL and automatic encryption of your data once it is uploaded. You can also configure bucket policies to manage object permissions and control access to your data using AWS Identity and Access Management (IAM).

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With Amazon S3, you can store as much data as you want and access it when you need it. You can stop guessing your future storage needs and scale up and down as required, dramatically increasing business agility.

Send Event Notifications

Amazon S3 can send event notifications when objects are uploaded to Amazon S3. Amazon S3 event notifications can be delivered using Amazon SQS or Amazon SNS, or sent directly to AWS Lambda, enabling you to trigger workflows, alerts, or other processing. For example, you could use Amazon S3 event notifications to trigger transcoding of media files when they are uploaded, processing of data files when they become available, or synchronization of Amazon S3 objects with other data stores.

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High Performance

Amazon S3 supports multi-part uploads to help maximize network throughput and resiliency, and lets you choose the AWS region to store your data close to the end user and minimize network latency. And Amazon S3 is integrated with Amazon CloudFront, a content delivery web service that distributes content to end users with low latency, high data transfer speeds, and no minimum usage commitments.


Amazon S3 is integrated with other AWS services to simplify uploading and downloading data from Amazon S3 and make it easier to build solutions that use a range of AWS services. Amazon S3 integrations include Amazon CloudFront, Amazon Kinesis, Amazon RDS, Amazon Glacier, Amazon EBS, Amazon DynamoDB, Amazon Redshift, Amazon Route 53, Amazon EMR, and AWS Lambda.

Easy to use

Amazon S3 is easy to use with a web-based management console and mobile app and full REST APIs and SDKs for easy integration with third party technologies.


Use Cases

Backup and Archiving

Amazon S3 offers a highly durable, scalable, and secure solution for backing up and archiving your critical data. You can use Amazon S3’s versioning capability to provide even further protection for your stored data. You can also define lifecycle rules to archive sets of Amazon S3 objects to Amazon Glacier, an extremely low-cost storage service.

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Content Storage & Distribution

Amazon S3 provides highly durable and available storage for a variety of content. It allows you to offload your entire storage infrastructure into the cloud, where you can take advantage of Amazon S3’s scalability and pay-as-you-go pricing to handle your growing storage needs. You can distribute your content directly from Amazon S3 or use Amazon S3 as an origin store for delivering content to your Amazon CloudFront edge locations.

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Big Data Analytics

Whether you’re storing pharmaceutical or financial data, or multimedia files such as photos and videos, Amazon S3 can be used as your big data object store. Amazon Web Services offers a comprehensive portfolio of services to help you manage big data by reducing costs, scaling to meet demand, and increasing the speed of innovation.

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Static Website Hosting

You can host your entire static website on Amazon S3 for a low-cost, highly available hosting solution that can scale automatically to meet traffic demands. With Amazon S3, you can reliably serve your traffic and handle unexpected peaks without worrying about scaling your infrastructure.

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Cloud-native Application Data

Amazon S3 provides high performance, highly available storage that makes it easy to scale and maintain cost-effective mobile and Internet-based apps that run fast. With Amazon S3, you can add any amount of content and access it from anywhere, so you can deploy applications faster and reach more customers.

Disaster Recovery

Amazon S3’s highly durable, secure, global infrastructure offers a robust disaster recovery solution designed to provide superior data protection. Whether you’re looking for disaster recovery in the cloud or from your corporate data center to Amazon S3, AWS has the right solution for you.

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