Detailed Specifications
HPE P47777-B21 MR416i-p Gen11 12G Tri-Mode RAID Controller
Overview
The HPE P47777-B21 is a Gen11 storage controller in PCIe form, designed for HPE ProLiant servers that need flexible RAID or HBA modes. It supports tri-mode: NVMe, SAS, and SATA devices, enabling consolidation of mixed storage types in a single controller. The controller offers 16 internal lanes and an 8 GB flash-backed write cache, useful for improving write performance and resilience. It also includes advanced rebuild and data protection features, making it suitable for virtualized servers, database workloads, or mixed protocol environments. Integration with HPE's out-of-band management ensures security via authenticated firmware and operational compatibility with HPE iLO.
Key Features
PCIe Gen 4.0 x8 interface for high host bandwidth
8 GB flash-backed write cache for data protection
Tri-mode support: NVMe, SAS (12 Gb/s), SATA (6 Gb/s)
RAID levels: 0, 1, 5, 6, 10, 50, 60, plus mixed HBA mode
DMTF SPDM support for certificate-based authentication with iLO
Technical Specifications
| Specification | Details |
|---|
| Brand | HPE |
| Part Number | P47777-B21 |
| Product Type | Storage RAID Controller |
| Host Interface | PCI Express 4.0 x8 |
| Storage Protocols Supported | NVMe, SAS 12 Gb/s, SATA 6 Gb/s |
| Cache (FBWC) | 8 GB Flash-Backed Write Cache |
| RAID Levels | 0, 1, 5, 6, 10, 50, 60 (plus HBA) |
| Internal Lanes | 16 |
| Max Drives Supported | Up to 16 (without expander) |
| Max Volumes | 64 |
| Security Features | SPDM certificate authentication, Silicon Root of Trust |
| Max Bandwidth | ~13.7 GB/s (per QuickSpecs) |
| Form Factor | PCIe HH/HL plug-in card |
| Power Supply Requirements | Powered by server PCIe slot |
| Supported OS | Windows Server, Linux, VMware ESXi |
| Warranty | Standard HPE parts warranty |
