Amazon Managed Streaming for Apache Kafka (Amazon MSK)
Event stream processing software
Stream analytics software
Database software
Big data software
Data integration tools
Cloud data integration software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
Take the quiz to check if Amazon Managed Streaming for Apache Kafka (Amazon MSK) and its alternatives fit your requirements.
Pay-as-you-go
Free Trial unavailableFree version unavailable
Small
Medium
Large
- Retail and wholesale
- Information technology and software
- Banking and insurance
What is Amazon Managed Streaming for Apache Kafka (Amazon MSK)
Amazon Managed Streaming for Apache Kafka (Amazon MSK) is a managed service for running Apache Kafka clusters on AWS. It is used by engineering and data teams to build event-driven applications, streaming data pipelines, and log/event ingestion for downstream systems. MSK manages cluster provisioning, patching, scaling options, and integration with AWS networking and security services while keeping Kafka APIs and tooling compatible. It is typically adopted by organizations that want Kafka operations handled by AWS while remaining within the AWS ecosystem.
Managed Kafka operations on AWS
MSK offloads common Kafka administration tasks such as cluster provisioning, broker replacement, and software patching to AWS. This reduces the operational burden compared with self-managed Kafka deployments. It also provides AWS-native monitoring and operational hooks that fit standard AWS operations practices.
Kafka API and ecosystem compatibility
MSK supports Apache Kafka protocols and client libraries, enabling reuse of existing producers, consumers, and Kafka tooling. This helps teams migrate or extend Kafka-based architectures without rewriting application code. It also supports common Kafka concepts such as topics, partitions, consumer groups, and offset management.
Tight AWS security integration
MSK integrates with AWS IAM, VPC networking, and encryption options to align with AWS security and compliance controls. This supports private connectivity patterns and centralized identity and access management. It can simplify governance when event streaming is part of a broader AWS data platform.
Not a stream analytics engine
MSK provides event streaming infrastructure but does not natively deliver full stream processing/analytics capabilities. Teams typically need additional components (e.g., stream processing frameworks or managed analytics services) to perform transformations, aggregations, and real-time analytics. This can increase architectural complexity for end-to-end streaming analytics use cases.
AWS-centric deployment model
MSK runs on AWS, which can limit portability for organizations standardizing on multi-cloud or on-prem deployments. Cross-cloud connectivity and hybrid patterns are possible but add networking, security, and operational considerations. This can be a constraint compared with vendor-neutral messaging platforms designed for heterogeneous environments.
Cost and scaling trade-offs
Kafka cost drivers such as broker instance sizing, storage, and cross-AZ data transfer can be difficult to predict for spiky workloads. Scaling often requires capacity planning and may not be as elastic as some managed real-time messaging services that abstract partitions and brokers. Organizations may need ongoing tuning of retention, partitioning, and throughput to control cost and performance.
Plan & Pricing
Pricing model: Pay-as-you-go Overview: Amazon MSK billing varies by feature: MSK Provisioned (Standard or Express brokers) billed by broker instance-hours + storage (GB-month), optional provisioned storage throughput (MB/s-month), data-in/data-out, and Multi-VPC PrivateLink charges; MSK Serverless billed by cluster-hours + partition-hours + data-in/data-out + storage (GB-month); MSK Connect billed by MCUs (MSK Connect Units) per hour; MSK Replicator billed by replicator-hours + data-processed (per GB) + applicable data transfer.
Key SKUs & example rates (as shown on AWS MSK official pricing page, US East examples):
- Standard broker instance examples: kafka.m5.large – $0.21 per hour; kafka.m7g.large – $0.204 per hour.
- Express broker instance example: msk.m7g.large (express) – $0.408 per hour.
- Broker storage (primary): $0.10 per GB-month.
- Low-cost tier storage: $0.06 per GB-month; low-cost tier retrieval: $0.0015 per GB.
- Provisioned storage throughput: $0.08 per MB/s-month (optional).
- Express broker data ingested: $0.01 per GB (per-GB ingest on express brokers).
- MSK Serverless (US East example): $0.75 per cluster-hour; $0.0015 per partition-hour; data-in $0.10 per GB; data-out $0.05 per GB; storage $0.10 per GB-month.
- MSK Connect (Connect workers): $0.11 per MCU-hour (1 MCU = 1 vCPU + 4 GB memory).
- MSK Replicator: $0.30 per replicator-hour; data-processed $0.08 per GB; cross-region data transfer example $0.02 per GB (standard AWS transfer applies where noted).
- Multi-VPC private connectivity (PrivateLink for MSK): $0.0225 per private-connectivity-hour-per-authentication-scheme; data processing $0.006 per GB processed.
- Other example rates shown on the official page for examples (data transfer, retrievals, etc.) are included in worked examples on the AWS MSK pricing page.
Free tier/trial: See fields below.
Notes & billing granularity: Hourly charges billed at one-second resolution; storage billed as GB-months (GB-hours converted to GB-months) and some charges billed per-GB or per-MCU-hour. Standard AWS data transfer charges apply for cross-region and internet egress.
Seller details
Amazon Web Services, Inc.
Seattle, Washington, USA
2006
Subsidiary
https://aws.amazon.com/
https://x.com/awscloud
https://www.linkedin.com/company/amazon-web-services/
