HPE Smart Array P440/4GB **General overhaul**

The Hewlett Packard Enterprise Smart Array P440 with 4GB cache is a high-performance RAID controller designed for enterprise server environments requiring reliable data storage management. This controller supports multiple RAID levels including 0, 1, 5, 6, 10, 50, and 60, providing flexible data protection and performance options for various workload requirements. Featuring a PCIe 3.0 x8 interface, the P440 delivers efficient data transfer capabilities while maintaining compatibility with HPE ProLiant Gen8 and Gen9 server platforms. The integrated 4GB cache memory, backed by flash-backed write cache technology, ensures data integrity during power interruptions by protecting cached data. This controller supports up to 240 physical drives when used with expansion enclosures, offering scalable storage solutions for growing data needs. The Smart Array P440 includes advanced data protection features such as encryption support for secure data storage and intelligent drive health monitoring through predictive failure analysis. With support for both SAS and SATA drives, this controller provides flexibility in storage media selection while maintaining optimal performance characteristics. The compact form factor measures approximately 16.7 cm in length, 6.9 cm in height, and 1.8 cm in width, making it suitable for standard server configurations. Weighing approximately 180 g, the controller maintains a lightweight profile while delivering robust storage management capabilities. Operating temperature ranges from 5°C to 55°C ensure reliable performance in typical data center environments. The successor model to previous Smart Array controllers, the P440 maintains backward compatibility with existing HPE storage infrastructure while offering enhanced performance characteristics. This RAID controller represents a balanced solution for organizations seeking reliable data protection, scalable storage management, and enterprise-grade durability in their server infrastructure.