HPE P58335-B21 MR408i-o Gen11 Storage Controller
Overview
The HPE P58335-B21 is the MR408i-o Gen11, an enterprise-grade storage controller designed for HPE ProLiant Gen11 servers. This OCP 3.0 form factor card provides a dedicated solution for managing complex storage arrays, delivering the performance and reliability required for mission-critical applications. It is engineered to accelerate storage performance and ensure data integrity for workloads in virtualized, database, and data-intensive environments. At its core, the MR408i-o Gen11 leverages a PCIe 4.0 x8 host interface, providing substantial bandwidth for modern storage devices. The controller features a 4GB flash-backed write cache, which significantly improves I/O performance by buffering write operations, reducing latency, and protecting data in the event of a power loss. It offers tri-mode connectivity, supporting NVMe, SAS, and SATA drives, giving IT administrators the flexibility to build tiered storage solutions that balance cost and performance. Designed for seamless integration, this controller plugs into the OCP NIC 3.0 slot, preserving valuable PCIe slots for other expansion cards like GPUs or high-speed networking adapters. Management is unified through HPE’s standard toolset, including MegaRAID Storage Administrator (MRSA), StorCLI, UEFI, and Redfish APIs, allowing for consistent configuration and monitoring across the server infrastructure. The controller also incorporates modern security features like a hardware root of trust and SPDM support for enhanced protection against firmware-level threats.
Key Features
- Tri-mode support for NVMe, SAS 12Gb/s, and SATA 6Gb/s.
- Utilizes a high-bandwidth PCIe 4.0 x8 host interface.
- Features a 4GB flash-backed cache for write acceleration.
- OCP NIC 3.0 form factor saves a standard PCIe slot.
- Supports an extensive range of RAID levels: 0, 1, 5, 6, 10, 50, 60.
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