Object storage bundles the data with a unique identifier and metadata that is customizable. Object storage uses a flat address space compared to the hierarchical addresses in file storage or addresses distributed over a chunk of blocks in block storage. Flat address space makes it easier to locate data and retrieve it faster regardless of the data storage's location. Object storage also helps the user to achieve unlimited scalability of storage.

Object storage metadata can have lots of details, and users can customize it to add more details compared to the addition of tagging in file storage. Data can be accessed by a simple API call and is very cost-effective to store. Object storage performs best for high-volume, unstructured data; however, objects cannot be modified but only replaced, which makes it not a good use case for a database.

Cloud data storage, such as Amazon Simple Storage Service (S3), provides an unlimited scalable...