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Green printed circuit board with silver connectors and a black bracket

HPE

HPE P47781-B21 MR416i-o Gen11 x16 Lanes 8GB Cache OCP SPDM RAID Controller

SKU CH-QPKG-VRES4 MPN P47781-B21

Provides hardware RAID with 8 GB cache and x16 lanes for Gen11 servers

  • 8 GB cache accelerates RAID operations
  • x16 lanes deliver high-throughput connectivity
  • OCP form factor fits standard server slots
  • SPDM support enables secure device management

HPE MR416i-o Gen11 RAID Controller

The HPE MR416i-o Gen11 is a storage controller designed for server environments that require hardware RAID management. It connects through an OCP interface using x16 lanes and includes 8GB of onboard cache to accelerate read and write operations. This card targets administrators who need reliable array handling in supported HPE Gen11 platforms.

Sustained Workload Cache Behaviour

Under sustained load the 8GB cache absorbs write bursts and promotes frequently accessed data to reduce latency across the array. The x16 lane width maintains bandwidth during long rebuilds or heavy sequential streams without throttling. OCP SPDM support enables secure monitoring and firmware updates while the controller remains in service. Buyers who need a different lane count or cache size should verify compatibility before ordering.

Istaknuto

  • 8 GB cache accelerates RAID operations
  • x16 lanes deliver high-throughput connectivity
  • OCP form factor fits standard server slots
  • SPDM support enables secure device management

Specifikacije

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How much heat does the MR416i-o Gen11 produce when running continuously?

The MR416i-o Gen11 draws power through the OCP slot and its 8 GB cache helps reduce drive activity, keeping thermal output within normal server limits.

What server slot is required to install the P47781-B21 controller?

The P47781-B21 needs an available OCP 3.0 slot with x16 lane support on a compatible Gen11 server.

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