Lenovo ThinkSystem DE4000H is a scalable, hybrid entry-level storage system that is designed to provide performance, simplicity, capacity, security, and high availability for medium to large businesses. The ThinkSystem DE4000H delivers enterprise-class storage management capabilities with a wide choice of host connectivity options, flexible drive configurations, and enhanced data management features. This product guide provides essential technical and pre-sales information on the Lenovo ThinkSystem DE4000H Hybrid Storage Array, its key features and specifications, components and options, and configuration guidelines. This guide is intended for technical specialists, sales specialists, sales engineers, and IT architects who want to learn more about the ThinkSystem DE4000H Hybrid Storage Array and consider its use in their solutions.