Amazon SQS Standard versus Amazon SQS FIFO

09 Oct 2024

Learn how Amazon SQS Standard differs from Amazon SQS FIFO.

Amazon SQS Standard Amazon SQS FIFO
Scaling

nearly unlimited

3000 msg/sec (batch write)

Max. message size

256 KB

256 KB

Persistence

up to 14 days

up to 14 days

Replication

Multi-AZ

Multi-AZ

Order guarantee

no

yes

Delivery guarantee

at least once

exactly-once possible

Pricing

per message

per message

Protocols

AWS Rest API

AWS Rest API

AWS Integrations

Lambda

Lambda

License

AWS only

AWS only

Encryption at rest

yes

yes

Encryption in transit

yes

yes