The TOSHIBA RAID Windows driver is a software package that enables your computer's operating system to communicate with the RAID (Redundant Array of Independent Disks) controller in systems using Toshiba RAID hardware. RAID is a technology that combines multiple physical disk drives into one or more logical units to improve data redundancy, performance, or both.

Toshiba RAID controllers are typically used in workstations, servers, or enterprise storage systems to provide different levels of RAID functionality, such as RAID 0, RAID 1, RAID 5, or RAID 10. The driver is essential for the proper functioning of the RAID array, ensuring that the operating system can access the drives and manage the RAID configuration correctly.