HPE 869081-B21 SAS Expander Card – 12G Performance

Product Description

The HPE Smart Array P408i-a SR Gen10 controller (MPN 677822, part number 869081-B21) is a 12 Gbit/s SAS and PCIe 3.0 storage controller designed for enterprise server environments. This spare part delivers the performance, reliability, and security required for demanding data storage workloads in Gen10 HPE servers. It supports advanced RAID levels and is intended for integration into existing server infrastructure as a replacement or upgrade component.

Technical Specifications

• Interface: PCI-Express x8
• Ports: 2x SFF8088 (internal mini-SAS)
• Data Transfer Rate: 12 Gbit/s SAS
• Form Factor: Low-profile
• Cache Memory: 2 GB (battery not included)
• RAID Support: 0, 1, 5, 6, 10, 50, 60
• Architecture: AROC (Assisted RAID on Chip)
• Additional Requirement: Requires P01366-B21 (battery/cache module, not included)

Design Features

• Controller supports SAS 12 Gbit/s and PCIe 3.0 for high-throughput storage connectivity.
• Low-profile bracket enables installation in space-constrained server chassis.
• Two internal mini-SAS (SFF8088) connectors for direct drive bay attachment.
• 2 GB cache memory (without battery, requiring separate P01366-B21 for cache protection).
• AROC architecture offloads RAID processing for reduced host CPU overhead.
• Gen10 platform compatibility ensures seamless operation with HPE server systems.

Application Area

This controller is deployed in enterprise data centers and server rooms within HPE ProLiant Gen10 servers. It is used for internal storage configurations requiring hardware RAID, suitable for databases, virtualized environments, and high-availability applications. The 12G SAS interface supports high-speed SSD and HDD arrays, making it applicable to general-purpose enterprise workloads with moderate I/O demands.