HP 749974-B21 SA P440ar SATA/600 12Gb/s SAS 2GB PCIe Raid Controller

Product Description

The HP 749974-B21 is a high-performance Smart Array P440ar RAID controller designed to deliver advanced storage capabilities for HPE ProLiant servers. It supports the latest 12Gb/s SAS interface, providing significantly increased bandwidth for faster data access and improved performance compared to previous generations. The controller also supports SATA/600, offering flexibility in drive selection. Its primary role is to manage storage arrays, enabling configurations for optimal performance, data protection, and scalability. This controller is equipped with 2GB of DDR3 cache memory, which greatly enhances read and write performance by buffering frequently accessed data. This cache significantly reduces latency and improves the overall responsiveness of storage-intensive applications. The P440ar supports a comprehensive suite of RAID levels, including RAID 0, 1, 5, 6, 10, 50, and 60, allowing for robust data redundancy and fault tolerance, crucial for mission-critical environments. It also supports HPE's Flexible Smart Array technology, offering advanced features and management capabilities. Integrated via a PCIe 3.0 x8 interface, the 749974-B21 ensures a high-speed connection to the server's system bus. This controller is often found in a mezzanine form factor for specific ProLiant server models, optimizing internal space. It is a key component for businesses requiring reliable, high-performance storage solutions, offering enterprise-grade features for data integrity, security, and efficient management of direct-attached storage.