SAP S/4HANA is an enterprise resource planning (ERP) suite developed by SAP SE, a German multinational software corporation. It's the successor to SAP ERP and SAP Business Suite, designed to run on SAP's advanced in-memory database, SAP HANA.

SAP S/4HANA offers significant improvements over its predecessors, primarily due to its in-memory computing capabilities, which enable real-time analytics and faster processing speeds. It aims to simplify business processes, enhance efficiency, and provide a more streamlined user experience.

Some key features of SAP S/4HANA include:

1. Simplified Data Model: S/4HANA simplifies the data model by removing unnecessary aggregates and indexes, resulting in faster data processing and reduced storage requirements.

2. Real-Time Analytics: With its in-memory computing capabilities, S/4HANA allows businesses to perform real-time analytics on large datasets, enabling quicker decision-making based on up-to-date information.

3. Improved User Experience: The user interface of S/4HANA is designed to be intuitive and user-friendly, with a modern, responsive design that enhances productivity.

4. Advanced Features: S/4HANA incorporates advanced technologies such as artificial intelligence (AI), machine learning (ML), Internet of Things (IoT), and blockchain to provide additional functionalities and insights.

5. Cloud-First Approach: SAP offers S/4HANA as a cloud-based solution, enabling businesses to leverage the scalability, flexibility, and cost-effectiveness of cloud computing.

6. Industry-Specific Solutions: SAP provides industry-specific versions of S/4HANA tailored to meet the unique requirements of various industries, such as manufacturing, retail, healthcare, and financial services.