SAP S/4HANA is SAP's ERP suite redesigned about the SAP HANA System. Most SAP consultants that I speak to usually have heard of HANA or S/4HANA. But there's a great deal of of selling jargon driving this, it is sometimes perplexing To place your finger firmly on what HANA or S/4HANA is really - Source: enable.sap.com In general, SAP S/4HANA