The HPE 4GB 1Rx8 PC4-2133P DDR4 ECC Registered Memory SK Hynix HMA451R7AFR8N-TF is a dependable enterprise-grade memory module designed to deliver stable performance, enhanced reliability, and efficient operation in HPE ProLiant Gen9 server environments. Built by SK Hynix and optimized for HPE systems, this DDR4 Registered ECC memory module is ideal for maintaining existing server infrastructures, replacing failed modules, or expanding memory capacity in business-critical applications.
Featuring ECC (Error-Correcting Code) protection and Registered DIMM (RDIMM) architecture, this memory helps ensure data integrity while reducing memory controller workloads in multi-DIMM server configurations. Its DDR4-2133 speed and low-voltage 1.2V operation provide an excellent balance of performance, stability, and energy efficiency.
Key Features
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4GB DDR4 Capacity – Suitable for server maintenance, repairs, and incremental memory upgrades.
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DDR4-2133 Performance – Supports 2133 MHz operation with PC4-17000P-R bandwidth.
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ECC Error Correction – Detects and corrects memory errors for improved server uptime.
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Registered DIMM Architecture – Buffered signal processing enhances stability in enterprise systems.
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Single Rank 1Rx8 Design – Optimized for compatible server memory configurations.
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Low Voltage Operation – Efficient 1.2V power consumption helps reduce system power requirements.
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HPE Gen9 Compatible – Designed for deployment in HPE ProLiant Gen9 server platforms.
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Enterprise-Class Reliability – Built for continuous 24/7 server operation.
Technical Specifications
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SKU: HMA451R7AFR8N-TF-HPE
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Manufacturer: SK Hynix (HPE Optimized)
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Part Number: HMA451R7AFR8N-TF-HPE
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HPE Option Equivalent: 752367-581
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Capacity: 4GB (1 x 4GB)
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Memory Type: DDR4 SDRAM
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Form Factor: 288-Pin RDIMM
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Speed: DDR4-2133 / PC4-17000P-R
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Error Correction: ECC Registered
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Signal Processing: Registered / Buffered
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Rank Configuration: 1Rx8 (Single Rank x8)
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CAS Latency: CL15
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Timings: 15-15-15
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Voltage: 1.2V
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Profile: Standard Low-Profile Server Module
Designed for HPE ProLiant Gen9 Servers
This memory module is specifically validated for HPE ProLiant Gen9 platforms powered by Intel Xeon E5-2600 v3 and v4 processors. Common compatible systems include:
- HPE ProLiant DL360 Gen9
- HPE ProLiant DL380 Gen9
- HPE ProLiant ML350 Gen9
- Other HPE ProLiant Gen9 servers supporting DDR4 ECC Registered RDIMM memory
Enterprise Benefits
- Improves server reliability through real-time error correction.
- Supports stable operation in multi-DIMM configurations.
- Reduces electrical load on the memory controller through RDIMM buffering.
- Ideal for business-critical applications requiring continuous uptime.
- Provides dependable performance for virtualization, database, and infrastructure workloads.
Processor Compatibility
- Intel Xeon E5-2600 v3 Series
- Intel Xeon E5-2600 v4 Series
- Compatible with enterprise platforms supporting DDR4-2133 ECC RDIMM memory
Important Compatibility Notes
- This module is intended exclusively for servers and workstations that support DDR4 ECC Registered RDIMM memory.
- Not compatible with consumer desktop motherboards, gaming PCs, or laptops.
- Cannot be used in systems requiring UDIMM (Unbuffered) memory.
- Not recommended for HPE Gen10, Gen10 Plus, or Gen11 platforms designed for higher DDR4 or DDR5 memory speeds.
- Always verify server model and memory population guidelines before installation.
Ideal Applications
- HPE ProLiant Gen9 Server Upgrades
- Virtualization Hosts
- File and Print Servers
- Business Applications
- Infrastructure Services
- Data Center Maintenance
- Replacement Memory Projects
- Enterprise IT Environments
The HPE 4GB 1Rx8 PC4-2133P DDR4 ECC Registered Memory SK Hynix HMA451R7AFR8N-TF delivers the reliability, compatibility, and enterprise-class performance expected in professional server environments. Whether you're maintaining an HPE ProLiant Gen9 deployment or sourcing a replacement module, this SK Hynix RDIMM provides dependable operation and ECC-protected performance for demanding business workloads.
