The HP Dynamic Smart Array B140i 6-port is a RAID controller used in some HP servers, typically in ProLiant models, to manage storage devices and configure RAID arrays. The controller itself supports multiple drives, provides hardware-based RAID functionality, and is commonly used in server environments.

The Windows driver for the HP Dynamic Smart Array B140i controller is a software package that allows the operating system to communicate with and manage the RAID controller hardware. This driver enables Windows to properly detect and interact with the storage devices connected to the controller, including configuring RAID arrays, managing disk operations, and performing other tasks related to storage.