HPE H240ar Smart Host Bus Adapter 749997-001 is an AROC daughterboard controller for connecting server storage. It provides two internal x4 mini-SAS ports, bringing storage connections together through the host adapter.
The listed transfer rates reach up to 12 Gb/s for SAS and 6 Gb/s for SATA. This makes the adapter suitable for systems using either of these drive interface types, with the supported rate depending on the connected storage. Its two internal ports provide a direct way to connect compatible storage devices inside the server.