405-AAIW Dell 12 Gigabytes Per Second (GBPS) Host Bus Adapter (HBA)

Before we dive into the details of the Dell SAS 12GBPS HBA External Controller Low Profile, let us first understand what an HBA controller is. HBA stands for Host Bus Adapter, and it is a type of hardware device that connects a computer system to a storage device, such as a hard disk drive, solid-state drive, or tape drive. The HBA controller is responsible for managing the communication between the computer system and the storage device. It acts as a bridge between the two devices and allows them to exchange data at high speeds.