The FCA2684 and the FCA2684DC are single and dual port versions of a 2 Gb PCI-X to FibreChannel HBA that provides Tru64 operating system connectivity to HP StorageWorks arrays.
HPE StorageWorks FCA2684 FC HBA for Tru64/OpenVMS
HPE StorageWorks FCA2684 FC HBA for Tru64/OpenVMS