HPE 879507-B21 – 64GB DDR4 ECC RDIMM SmartMemory
Key Features
- 64GB DDR4 ECC Registered SmartMemory
- 2666 MT/s PC4-2666V performance
- Dual-rank x4 enterprise RDIMM design
- Compatible with HPE Gen10 servers
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HPE 879507-B21 64GB DDR4 ECC RDIMM SmartMemory
Overview
The HPE 879507-B21 is a 64GB DDR4 Registered ECC SmartMemory module designed for HPE ProLiant Gen10 server platforms. It is used in enterprise environments requiring large memory capacity for virtualization, database processing, analytics, and high-density compute workloads.
The module operates at 2666 MT/s (PC4-2666V) and uses ECC Registered DIMM architecture to maintain data integrity and stable performance during continuous enterprise operations. The dual-rank x4 configuration supports balanced memory throughput and scalability across populated server memory channels.
It is commonly deployed in ProLiant rack and blade servers where high-capacity memory configurations are required for virtual machine consolidation, cloud infrastructure, and mission-critical application hosting. Registered DIMM architecture improves signal stability in multi-DIMM server deployments.
The memory integrates with HPE SmartMemory validation technology, enabling firmware-level authentication, enhanced reliability monitoring, and optimized compatibility within supported HPE server ecosystems.
Typical Deployment Scenarios
- Virtualization cluster memory expansion
- Enterprise database server deployments
- Cloud infrastructure compute nodes
- High-density application hosting
- HPE ProLiant Gen10 memory upgrades
- Analytics and business intelligence workloads
Technical Specifications
| Specification | Details |
|---|---|
| Brand | HPE |
| Part Number | 879507-B21 |
| Product Type | Server Memory Module |
| Memory Capacity | 64 GB |
| Memory Technology | DDR4 SDRAM |
| Memory Speed | 2666 MT/s (PC4-2666V) |
| DIMM Type | RDIMM (Registered) |
| Error Correction | ECC |
| Rank Configuration | Dual Rank x4 |
| Voltage | 1.2V |
| CAS Latency | CL19 |
| Pin Count | 288-pin |
| Form Factor | DIMM |
| Compatibility | HPE ProLiant Gen10 servers |
Compatibility / Ecosystem
The HPE 879507-B21 is compatible with HPE ProLiant Gen10 servers supporting DDR4 ECC Registered SmartMemory modules. It integrates with HPE SmartMemory validation systems and operates within ECC-protected memory architectures for enterprise virtualization, analytics, and compute-intensive workloads.
Additional information
| Weight | 0.045 kg |
|---|---|
| Dimensions | 19.05 × 8.89 × 1.91 cm |







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