4x4 SAS HBA Ports

The 4x4 SAS HBAs are installed in PCIe slots 3 and 8 for the Oracle ZFS Storage ZS11-2 base configuration. Additional, optional PCIe slots are 4 and 7. The HBAs provide connectivity to external disk shelves. The HBA logical ports are numbered 0-3, bottom to top, as shown in the following figure.