| Type | DDR5 Registered DIMM (RDIMM) |
| Form Factor | 288-pin DIMM |
| Module Capacity | 128 GB |
| Kit Configuration | 1 x 128 GB |
| Rank | Dual Rank (2Rx4) |
| CAS Latency | 40-39-39 |
| Data Transfer Rate | 4800 MT/s |
| Voltage | 1.1 V |
| Error Checking | ECC |
| Smart Memory Features | Verified compatibility and extended diagnostics with HPE servers |
| Power Requirements | Standard DDR5 1.1V operation |
| Heat Spreader | Yes |
HPE 128GB 2Rx4 DDR5-4800 Smart Memory Kit (P69974-K21)
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- 128GB DDR5 Registered DIMM module (1x128GB configuration)
- Dual Rank x4 (2Rx4) architecture for enhanced performance
- Operates at 4800 MT/s with CAS latency 40-39-39
- ECC (Error-Correcting Code) and Registered features for improved reliability
- Manufactured in the United States; TAA compliant
- Designed specifically for HPE server environments
Shipping & Returns
Shipping & Returns
All our products can be shipped anywhere in the Continental United States.
Key Benefits
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- Optimized for HPE systems to ensure full compatibility and firmware validation.
- High memory capacity and DDR5 speed ideal for virtualization and large-scale workloads.
- TAA compliance and U.S. origin make it suitable for government and regulated sectors.
Product Overview
The HPE 128GB 2Rx4 PC5-4800B-R Smart Kit, part number P69974-K21, is a high-capacity DDR5 registered DIMM designed for HPE server platforms. It delivers 128GB per module using a dual-rank, x4 configuration and operates at a speed of 4800 MT/s with CAS latency of 40-39-39. As part of HPE’s Smart Memory line, it enables secure, validated memory integration, and extended system diagnostics. TAA compliance and U.S. manufacturing origin underscore its suitability for government and mission-critical applications. Best suited for data center expansions, cloud deployments, and enterprise computing, this kit ensures stable performance and long-term return on investment.
Specifications
Product Overview
Physical & Environmental
| Dimensions (WxDxH) | 133.35 mm x 31.25 mm (standard DIMM size) |
| Operating Temperature Range | 0°C to 85°C (module ambient) |
| Storage Temperature Range | -55°C to 100°C |
| Operating Humidity | 10% to 90% (non-condensing) |
| Storage Humidity | 5% to 95% (non-condensing) |
Cloud Management & Licensing
| Smart Memory Classification | HPE SmartMemory |
| Compatibility | Validated for HPE ProLiant Gen11 and select Gen10 servers |
| Integrated Diagnostics | Yes, when used with supported HPE servers |
Additional Information
| Manufacturer | Hewlett Packard Enterprise |
| Manufacturer Part Number | P69974-K21 |
| UPC | 190017711218 |
| Product Family | Computer Components |
| Product Category | Memory - DDR5 SDRAM |
| Subcategory | > 32GB Server Memory Kits |
| Intended Use | Enterprise servers, data center, virtualization environments |
Interfaces
| Interface Type | DDR5 SDRAM |
| Bus Type | PC5-4800B |
| Pin Count | 288-pin |
Compliance & Origin
| Country of Origin | UNITED STATES |
| TAA Compliance | Yes |
| RoHS Compliance | Yes |
| REACH Compliant | Yes |
| Module Manufacturing Standard | JEDEC |
| Environmental Certification | Halogen Reduced |
Advanced Security Features
| Secure Memory Authentication | Yes, via SmartMemory architecture |
