Host bus adapter (HBA)
nouncandidate·updated May 9, 2026
A host bus adapter provides I/O processing and physical connectivity between a server and storage. As the only part of a storage area network that resides in a server, HBAs also provide a critical link between the storage area network and the operating system and application software.
Framework senses
Federal Financial Institutions Examination Council (FFIEC) IT Examination Handbook Infobase, Glossary1 senseview framework →
- §1
- A host bus adapter provides I/O processing and physical connectivity between a server and storage. As the only part of a storage area network that resides in a server, HBAs also provide a critical link between the storage area network and the operating system and application software.