AWS CloudHSM
User Guide

The AWS Documentation website is getting a new look!
Try it now and let us know what you think. Switch to the new look >>

You can return to the original look by selecting English in the language selector above.

AWS CloudHSM Limits

The following limits apply to your AWS CloudHSM resources per AWS Region and AWS account.

Service Limits

Item Default Limit Hard Limit
Clusters 4 N/A
HSMs 6 N/A
HSMs per cluster N/A 28

System Limits

Item Hard Limit
Keys per cluster 3300
Number of users per cluster 1024
Maximum length of a user name 31 characters
Required password length 7 to 32 characters
Maximum number of concurrent clients 900

To request an increase in the number of clusters or HSMs, use the service limit increase form in the AWS Support Center.