638836-001 HP H221 6GBPS 8 Channel PCI-E 2.0 X8 SAS HBA

The HP 638836-001 H221 6GBPS 8 Channel PCI-E 2.0 X8 SAS HBA for Gen8 is a high-performance host bus adapter (HBA) designed for use in enterprise storage environments. It provides high-speed connectivity between servers and SAS/SATA-based storage systems, delivering improved performance, reliability, and scalability.

An HBA is a type of interface card that connects a computer to a storage network, enabling it to access and manage data stored on external disks. It acts as a mediator between the computer’s operating system and the storage devices, translating commands from the computer into a format that the storage devices can understand.