SAP S/4HANA is a real-time enterprise resource management suite for digital business. It is built on our advanced in-memory platform, SAP HANA, and offers a personalized, consumer-grade user experience with SAP Fiori.SAP S/4HANA is a real-time enterprise resource management suite for digital business. It is built on our advanced in-memory platform, SAP HANA, and offers a personalized, consumer-grade user experience with SAP Fiori.