# Understanding configuration store quotas and limitations
<a name="appconfig-creating-configuration-and-profile-quotas"></a>

Configuration stores supported by AWS AppConfig have the following quotas and limitations.


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|  | AWS AppConfig hosted configuration store | Amazon S3 | Systems Manager Parameter Store | AWS Secrets Manager | Systems Manager Document store | AWS CodePipeline | 
| --- | --- | --- | --- | --- | --- | --- | 
|  **Configuration size limit**  | 2 MB default, 4 MB maximum |  2 MB Enforced by AWS AppConfig, not S3  |  4 KB (free tier) / 8 KB (advanced parameters)  | 64 KB |  64 KB  | 2 MBEnforced by AWS AppConfig, not CodePipeline | 
|  **Resource storage limit**  | 1 GB |  Unlimited  |  10,000 parameters (free tier) / 100,000 parameters (advanced parameters)  | 500,000 |  500 documents  | Limited by the number of configuration profiles per application (100 profiles per application) | 
|  **Server-side encryption**  | Yes |  [SSE-S3](https://docs.aws.amazon.com/AmazonS3/latest/userguide/serv-side-encryption.html), [SSE-KMS](https://docs.aws.amazon.com/AmazonS3/latest/userguide/UsingKMSEncryption.html)  |  Yes  | Yes |  No  | Yes | 
|  **CloudFormation support**  | Yes |  Not for creating or updating data  |  Yes  | Yes |  No  | Yes | 
|  **Pricing**  | Free |  See [Amazon S3 pricing](https://aws.amazon.com//s3/pricing/)  |  See [AWS Systems Manager pricing](https://aws.amazon.com//systems-manager/pricing/)  | See [AWS Secrets Manager pricing](https://aws.amazon.com//secrets-manager/pricing/) |  Free  |  See [AWS CodePipeline pricing](https://aws.amazon.com//codepipeline/pricing/)  |