Topic summary
Host Controller
Extracted from the Wikipedia article Host adapter.
In computer hardware a host controller, host adapter or host bus adapter (HBA) connects a computersystem bus which acts as the host system to other network and storage devices. The terms are primarily used to refer to devices for connecting SCSI, SAS, NVMe, Fibre Channel and SATA devices. Devices for connecting to FireWire, USB and other devices may also be called host controllers or host adapters.