Amazon DynamoDB

Amazon DynamoDB is a serverless, fully managed NoSQL key-value and document database, engineered for single-digit millisecond performance at any scale.

DynamoDB is your go-to for high-performance, massive-scale applications. It's a fully managed, serverless NoSQL database (key-value and document) that delivers consistent single-digit millisecond latency, even as traffic hits millions of requests per second. The platform handles all scaling and operational maintenance, eliminating server management overhead. You choose your capacity mode: Provisioned for predictable workloads or On-Demand for pay-per-request flexibility. For global deployments, Global Tables offer multi-Region, multi-active replication with up to 99.999% availability.

https://aws.amazon.com/dynamodb/