HPE P47781-B21 MR416i-o Gen11 x16 8GB Cache OCP Tri-Mode Storage Controller - Used
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HPE MR416i-o Gen11 Controller

x16 PCIe 4.0 | 8GB FBWC | Tri-Mode OCP Storage Adapter | P47781-B21

HPE MR416i-o Gen11 Storage Controller

Representative image. The device shipped is a genuine HPE MR416i-o Gen11 storage controller unit.

Product Condition & Key Features

This is a genuine, enterprise-level HPE MR416i-o Gen11 x16 Lanes OCP Tri-Mode Storage Controller (P47781-B21) in excellent, fully tested working condition. Pulled from a operational Gen11 system, it features Broadcom MegaRAID technology to deliver advanced RAID capabilities and high-bandwidth drive connectivity.

  • Broadcom MegaRAID Tech: Delivers robust RAID 0, 1, 5, 6, 10, 50, and 60 configurations for complete data redundancy and volume performance.
  • Tri-Mode Connectivity: Seamlessly manages up to 16 internal SAS, SATA, and NVMe drives simultaneously under a single interface card.
  • 8GB Flash-Backed Cache: Retains cached write operations safely during unexpected power loss, maximizing performance without threat of write corruption.
  • OCP 3.0 Form Factor: Standard Type-a form factor installs directly into Gen11 chassis storage controller bays, saving standard PCIe expansion slots.

Technical Specifications

Specification Detail
Brand HPE (Hewlett Packard Enterprise)
Option Part Number P47781-B21
Spare Part Number P47952-001
Model Name MR416i-o Gen11 x16 Storage Controller
Controller Interface Tri-Mode (SAS / SATA / NVMe PCIe Gen4)
Host Bus Type PCI Express 4.0 x16
Form Factor OCP 3.0 Type-a (LOM Dedicated Storage Bay)
Internal Ports 16 Internal Lanes (Tri-Mode Slimline Connectors)
Cache Memory 8GB Flash-Backed Write Cache (FBWC)
RAID Levels RAID 0, 1, 5, 6, 10, 50, 60
Security Protocol SPDM Support (Security Protocol and Data Model)
Server Compatibility HPE ProLiant DL325, DL360, DL365, DL380, DL385, ML350 Gen11 Servers
Data Transfer Rate 12Gb/s SAS, 6Gb/s SATA, Gen4 NVMe

Important Hardware & Compatibility Warnings

Server Generation Alert: This storage controller is designed exclusively for HPE ProLiant Gen11 servers. It uses the OCP 3.0 form factor slot and will NOT work in Gen10, Gen9 or older generations, nor is it compatible with standard PCIe slots in desktop computers or third-party servers.

Cache Backup Battery: To enable write cache features, an HPE Smart Storage Battery or Hybrid Capacitor must be connected to the system. A backup battery is NOT included in this listing.

Cables: Internal drive SAS/SATA/NVMe cables are not included.

30-Day Functionality Guarantee

We guarantee this storage controller boots successfully, passes HPE Smart Storage Administrator diagnostics, and reads/writes to connected target drives for 30 days from the delivery date.

  • Covers controller detection, cache functionality, and interface bus performance.
  • Buyer is responsible for return shipping costs.

Secure Packing & Dispatch

Controllers are wrapped inside premium pink anti-static ESD shielding sleeves and packed in thick cardboard mailers with bubble security padding to avoid shipping damage.

  • Handling Time: 1 Business Day.
  • Tracking details provided instantly upon dispatch.