Amazon MemoryDB
Amazon MemoryDB: A durable Redis- and Valkey-compatible service for low-latency, scalable workloads. Ranked #6 of 31 in Key-Value Databases by our editors (8.7/10); pricing: Paid; best for durable managed Redis or Valkey workloads.
At a glance
- Editor score8.7 / 10
- PricingPaid
- Best forDurable managed Redis or Valkey workloads
- Free planNo
- Paid from$0.20/GB usage-based
- Deployment modelCloud
- Facts checked22 Sep 2026
Where it wins
- Multi-AZ transactional-log durability with automatic failover
- JSON documents, vector search, and active-active multi-Region replication
- TLS, AWS KMS encryption, ACLs, and IAM-based access controls
Where it doesn't
- No free plan; MemoryDB is paid-only
- On-demand charges vary by node type and usage
- Multi-Region deployments do not support TTL
Our verdict on Amazon MemoryDB
Amazon MemoryDB is a fully managed, durable in-memory key-value database for applications that need low-latency reads, fast writes, high throughput, and data durability. It is compatible with Valkey and Redis OSS data structures, commands, APIs, clients, and tools, and supports web and API access. MemoryDB stores data in memory while using a distributed, Multi-AZ transactional log for durability and recovery. It fits teams that want managed Redis or Valkey-compatible infrastructure with clustering, snapshots, failover, and scaling included.
The published plans show two purchasing options. On-demand nodes have no long-term commitments or upfront fees, with charges varying by node type and usage. Reserved nodes use one-year or three-year terms and offer no-upfront, partial-upfront, or all-upfront payment options. There is no free plan. Automatic Amazon S3 snapshots can be retained for up to 35 days, while horizontal and vertical scaling support shards and replicas. Buyers should compare expected node usage and commitment needs before choosing between the two plans.
MemoryDB’s strongest distinction is the combination of Redis and Valkey compatibility with durability, recovery, and data capabilities beyond basic key-value storage. Security features include TLS encryption in transit, AWS KMS encryption at rest, and ACL- and IAM-based authentication and authorization. Native JSON document support and vector search support application patterns involving structured documents and embeddings. Integrations include Amazon VPC, CloudWatch, CloudTrail, SNS, S3, AWS Controllers for Kubernetes, Bedrock, and SageMaker. Choose MemoryDB for durable managed workloads that fit the AWS ecosystem; avoid it when a free plan is required or when TTL is needed in active-active Multi-Region deployments.
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Amazon MemoryDB pricing
All 3 Amazon MemoryDB plans and prices →
Amazon MemoryDB fact sheet
| Free plan | No |
|---|---|
| Paid from | $0.20/GB usage-based |
| Deployment model | Cloud |
| Maximum value size | Not verified |
| Persistence modes | Both |
| TTL support | Yes |
| Clustering support | Yes |
| Multi-region support | Yes |
| Supported protocols | Valkey Cluster protocol; Redis OSS Cluster protocol; HTTPS |
| Deployment | Cloud |
| Platforms | Web |
| Support | Tickets, Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 7 integrations: Amazon CloudWatch, Amazon VPC, AWS CloudTrail, Amazon SNS, AWS Lambda, Amazon ECS … |
| Pricing | Paid (source) |
| Website | aws.amazon.com |
| Facts checked | 22 Sep 2026 |
Amazon MemoryDB integrations
Amazon MemoryDB lists 7 integrations on its own site.
- Amazon CloudWatch
- Amazon VPC
- AWS CloudTrail
- Amazon SNS
- AWS Lambda
- Amazon ECS
- Amazon EKS
Alternatives to Amazon MemoryDB
- Amazon DynamoDBA mature AWS database for scalable key-value and document workloads.9.3
- Aerospike DatabaseA strong fit for high-scale, consistency-sensitive workloads across hybrid environments.9.1
- Google Cloud BigtableA scalable Bigtable service for analytical workloads, with broad integrations and usage-based pricing.9.0
See all Amazon MemoryDB alternatives →
Amazon MemoryDB vs the competition
- Amazon MemoryDB vs Amazon DynamoDB
- Amazon MemoryDB vs Aerospike Database
- Amazon MemoryDB vs Google Cloud Bigtable
- Amazon MemoryDB vs FoundationDB
- Amazon MemoryDB vs Oracle NoSQL Database
- Amazon MemoryDB vs etcd
Compare Amazon MemoryDB with any tool side by side →
Also Ranked In
Amazon MemoryDB is ranked in 5 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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