FAS70: NetApp hybrid FAS storage system, 2U chassis with one HA controller, 256 GB memory, up to 15.0000 PB raw

Looking for the hybrid FAS storage system, 2U chassis with one HA controller, 256 GB memory, up to 15.0000 PB raw? NetApp lists it as FAS70. NetApp's key specifications list the platform as "FAS70 Dual Chassis HA Pair" with 18 PCIe expansion slots, with ONTAP 9.15.1 as the minimum ONTAP version. NetApp lists this part number in its documentation. Controllers, drives and software licences are quoted separately, so tell us the configuration you need and we confirm it.