Hpe storageworks 81b pci e fiber channel host bus adapter dual port delivers twice the performance of 4gbps hbas for enterprises looking for san connectivity solutions to have unmatched performance reliability and server utilization hpe storageworks 8gbps pci e fiber channel host bus adapters brings datacenter infrastructure components to a higher level of performance and efficiency with the ability to deliver twice the io performance of 4gbps hbas an 8gbps fc hba purchased today is backwa