It is a serverless object storage service
Billed based on the storage used and data downloaded
Files are called objects
Folders are called Buckets
Unlimited storage (theoretically) no minimum object size requirement
Low latency (Tens of milliseconds)
High durability (Nine 9s annual durability)
Supports Geo-redundant storage of data
Storage Classes
Standard Storage
Frequently accessed files
Has the highest cost
Nearline Storage
Files accessed once a month or less
Cheaper than standard storage
Data has to be stored for 30 days minimum
Coldline Storage
Higher access cost than nearline but lower at-rest cost
Data has to be stored for 90 days minimum
Archive Storage
Intended for data that will be accessed rarely
Very slow retrieval times (Data is stored offline)
Cheapest tier (No SLA present)
Data has to be store for 365 days minimum
NOTE
If the data is deleted before the minimum storage duration we will be charged for premature deletion