Adapter Specs Host Interface: PCI Express 3.0 x8 Controller Type: Dual-channel SAS 12 Gb/s and SATA 6 Gb/s RAID controller Cache: 1 GB flash-backed write cache (FBWC) RAID Levels: 0, 1, 10 Internal Ports: 2 × x4 Mini-SAS (SFF-8087) Logical Drive Support: Up to 64 volumes Bandwidth: Up to 4.2 GB/s cache throughput Form Factor: Low-profile PCIe card (full-height bracket included) Part Number: 761871-B21 The HPE P244br Smart Array Adapter is a high-performance 12 Gb/s SAS controller equipped with 1 GB flash-backed cache, designed for enterprise-grade storage systems. It provides data protection, flexible RAID configurations, and high throughput, making it ideal for virtualization and database applications. Compatible with ProLiant Gen9 servers and blades, this adapter supports advanced features such as online capacity expansion, RAID level migration, and intelligent write caching, all without degrading performance. Its dual-port design facilitates internal drive connectivity, improving system resilience and reliability.