HPE P64985-B21 – 32GB DDR5 ECC RDIMM SmartMemory
Key Features
- 32GB DDR5 ECC Registered SmartMemory
- Up to 6400 MT/s PC5-51200 speed
- Dual-rank x8 high-bandwidth design
- Compatible with HPE Gen11 servers
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HPE P64985-B21 32GB DDR5 ECC RDIMM SmartMemory
Overview
The HPE P64985-B21 is a 32GB DDR5 Registered ECC SmartMemory module designed for HPE ProLiant Gen11 server platforms. It is used in enterprise environments requiring high-bandwidth memory for virtualization, cloud infrastructure, and data-intensive workloads.
The module operates at up to 6400 MT/s (PC5-51200) and uses ECC Registered DIMM architecture to maintain data integrity and system stability under continuous server operation. DDR5 architecture delivers higher bandwidth and improved efficiency compared to DDR4, supporting modern multi-core processors and memory-intensive applications.
It is typically deployed in HPE ProLiant Gen11 servers where scalable memory capacity and high throughput are required for AI workloads, large databases, and virtual machine consolidation. The dual-rank x8 design supports stable operation in high-density memory configurations.
The module integrates with HPE SmartMemory technology, enabling firmware-level validation, optimized performance tuning, and enhanced reliability monitoring within supported HPE server ecosystems.
Typical Deployment Scenarios
- Virtualization cluster memory scaling
- Cloud infrastructure compute nodes
- AI and analytics workloads
- Enterprise database acceleration
- HPE ProLiant Gen11 server upgrades
- High-density application hosting
Technical Specifications
| Specification | Details |
|---|---|
| Brand | HPE |
| Part Number | P64985-B21 |
| Product Type | Server Memory Module |
| Memory Capacity | 32 GB |
| Memory Technology | DDR5 SDRAM |
| Memory Speed | 6400 MT/s (PC5-51200) |
| DIMM Type | RDIMM (Registered ECC) |
| Error Correction | ECC |
| Rank Configuration | Dual Rank x8 |
| Voltage | 1.1V |
| CAS Latency | CL52 |
| Pin Count | 288-pin |
| Form Factor | DIMM |
| Compatibility | HPE ProLiant Gen11 servers |
Compatibility / Ecosystem
The HPE P64985-B21 is compatible with HPE ProLiant Gen11 server platforms supporting DDR5 ECC Registered SmartMemory modules. It integrates with HPE SmartMemory validation systems and operates within ECC-protected memory channels to ensure stability in enterprise virtualization, cloud, and high-performance compute environments.
Additional information
| Weight | 0.044 kg |
|---|---|
| Dimensions | 19.05 × 8.89 × 1.91 cm |
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