HP 726897-B21 Controller
HPE Smart Array P840 4GB FBWC Controller (Part Number: 726897-B21) — is an enterprise-class 12Gb/s SAS RAID controller that provides high-end storage performance, increased internal scalability, and advanced data protection for HPE ProLiant Gen9 servers. It features 4GB of Flash-Backed Write Cache (FBWC), which significantly improves application response times by reducing latency in data-intensive workloads. With its double internal mini-SAS ports, the P840 supports direct connection for up to 16 drives, making it ideal for high-density storage configurations and enterprise database environments.
Key Specifications:
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Data Transfer Rate: 12Gb/s SAS / 6Gb/s SATA.
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Cache: 4GB Flash-Backed Write Cache.
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Internal Connectors: 2 x x8 Mini-SAS ports.
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RAID Levels: 0, 1, 10, 5, 50, 6, 60, 1 ADM (Advanced Data Mirroring).
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Host Interface: PCIe 3.0 x8.
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Form Factor: Full-height, half-length board.
