HPE MR408i-o Gen11 x8 Lanes 4GB Cache OCP SPDM Storage Controller

Overview

The HPE P58335-B21 is a high-performance storage controller designed to fit into an OCP NIC 3.0 slot and connect via a PCIe 4.0 x8 interface. It supports SATA, SAS, and NVMe drives, enabling flexible storage configurations and seamless migration between technologies. With a 4 GB cache, it reduces latency for frequently accessed data, making it well suited for virtualization hosts, database servers, and other demanding workloads that require consistent storage throughput.

Key features

• Installation in an OCP NIC 3.0 slot with PCIe 4.0 x8 connection ensures high bandwidth for fast data transfer.
• 4 GB cache improves read and write speeds by lowering latency on frequently accessed data.
• Compatibility with SATA 6G, SAS 12G, and NVMe 16G drives allows mixing different storage media or upgrading without hardware changes.
• Full RAID support across levels 0, 1, 5, 6, 10, 50, and 60 provides robust data protection and uptime.
• Management through familiar tools like MegaRAID Storage Administrator, UEFI interfaces, Redfish, and StorCLI simplifies day-to-day operations.
• Supports secure encrypted drives to protect data at rest, meeting compliance requirements.
• Compatible with major operating systems including VMware ESXi, CentOS, Windows Server, Red Hat, SUSE, and Ubuntu for broad deployment options.
• Backed by a three-year parts warranty from HPE, ensuring reliability and support.

Key specs

• Interface: PCIe 4.0 x8
• Cache size: 4 GB
• Drive support: SATA 6G, SAS 12G, NVMe 16G
• RAID levels supported: 0, 1, 5, 6, 10, 50, 60
• Slot type: OCP NIC 3.0
• Operating system compatibility: VMware ESXi, CentOS, Windows Server, Red Hat, SUSE, Ubuntu
• Warranty: Three years parts

Connectivity and compatibility

This controller connects through a PCIe 4.0 x8 interface in an OCP NIC 3.0 slot, providing ample bandwidth for high-speed storage access. It supports a wide range of drive types including SATA, SAS, and NVMe, allowing flexible storage configurations and easy upgrades. The broad OS compatibility ensures it integrates smoothly into diverse server environments, from virtualization platforms to enterprise database systems.

Performance and reliability

The 4 GB cache significantly reduces latency for frequently accessed data, enhancing overall system responsiveness. Full RAID support across multiple levels safeguards data integrity and availability, which is critical for maintaining uptime in demanding data center operations. Support for encrypted drives adds an extra layer of security, making this controller suitable for environments with strict compliance requirements.

Ideal uses and environments

This storage controller is a strong choice for data centers and enterprise servers that require fast, flexible, and secure storage solutions. It fits well in Gen11 server builds or storage refresh projects where mixed media support and high throughput are priorities. IT professionals managing virtualization hosts, database servers, or mixed workload environments will find its combination of speed, resilience, and management tools particularly valuable.