# Service quotas for managed knowledge bases
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Your AWS account has default quotas, formerly referred to as limits, for managed Amazon Bedrock knowledge bases. To view service quotas for Amazon Bedrock, do one of the following:
+ Follow the steps at [Viewing service quotas](https://docs.aws.amazon.com/servicequotas/latest/userguide/gs-request-quota.html) and select **Amazon Bedrock** as the service.
+ Refer to [Amazon Bedrock service quotas](https://docs.aws.amazon.com/general/latest/gr/bedrock.html#limits_bedrock) in the AWS General Reference.

The following quotas apply specifically to managed knowledge bases:


**Managed knowledge base quotas**  

| Quota | Default value | Adjustable | 
| --- | --- | --- | 
| Maximum managed knowledge bases per account, per Region | 10,000 | Yes | 
| Maximum data sources per knowledge base | 200 | No | 
| Maximum concurrent ingestion jobs per knowledge base | 50 | No | 
| Maximum raw data storage per knowledge base | 10 TB | No | 
| Maximum query input characters per Retrieve or AgenticRetrieveStream request (English text) | 10,000 | No | 
| Maximum Retrieve requests per minute (RPM), per knowledge base | 600 (supports burst of 25 requests per second (RPS)) | Yes | 
| Maximum AgenticRetrieveStream requests per minute, per account | 300 | Yes | 

To request adjustable quota increases, follow the steps at [Requesting a quota increase](https://docs.aws.amazon.com/servicequotas/latest/userguide/request-quota-increase.html), or contact your AWS account team.