SAP support for POWER9 available now, see SAP Note 2188482 SAP HANA on IBM Power Systems Allowed Hardware and Power Enterprise Models 950 and 980 announced
From now on HANA on POWER9 is officially supported, limited currently to POWER9 ScaleOut models available so far.
POWER8: The maximum of 176 cores 24 TB used by single HANA scale-up must not be exceeded. For analytic workload e.g. BW 192 cores and up to 16TB can be used.
POWER9: The maximum of 24 cores and 4TB used by single HANA 2.0 scale-up must not be exceeded. For analytic workload e.g. BW up to 1,5 TB can be used.
