What Is a RAID Controller?
RAID Controllers: Managing and Controlling Data in RAID Systems
A RAID controller is a device designed for the management and control of data in a “RAID” system, where multiple HDDs are configured into one large drive.
The RAID controller serves as the interface for reading and writing data, and it manages the storage state. It plays a pivotal role in enhancing data security and processing capabilities, undertaking a crucial role. As a result, it finds applications in diverse environments, from large-scale data centers to individual PCs.
Generally, the implementation cost of a RAID controller is higher than that of software-based solutions. However, some products come with RAID controller functionality integrated into the motherboard, eliminating the need for a separate controller and enabling cost savings.