HBA meaning in Information Technology ?

Answer:

What is Host Bus Adapter mean?

In computer hardware, a host controller, host adapter, or host bus adapter (HBA), connects a computer, which acts as the host system, to other network and storage devices. The terms are primarily used to refer to devices for connecting SCSI, Fibre Channel and SATA devices. Devices for connecting to IDE, Ethernet, FireWire, USB and other systems may also be called host adapters.

Host adapters can be integrated in the motherboard or be on a separate expansion card.

The term network interface controller (NIC) is more often used for devices connecting to computer networks, while the term converged network adapter can be applied when protocols such as iSCSI or Fibre Channel over Ethernet allow storage and network functionality over the same physical connection.

reference

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