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 ![Amazon MemoryDB](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_3a7a925cc43d97814fa81ec2d6c06f45/amazon-memorydb.jpeg "Amazon MemoryDB")
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# Amazon MemoryDB Discussions

Amazon MemoryDB for Redis is a Redis-compatible, durable, in-memory database that delivers ultra-fast performance and Multi-AZ durability. With Amazon MemoryDB for Redis, you only pay for what you use with no minimum fee. A node is the smallest building block of a MemoryDB cluster. Each node supports varying amounts of computation and memory capacity, and you can select a node type based on your needs. You are charged based on three components: on-demand instance hours per node, volume of data written to your cluster, and snapshot storage that you use.

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