SK Hynix 128GB 2S2Rx4 DDR5-4800B PC5-38400 ECC Registered Memory HMCT04AEERA131N
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- Specifications
- Description
| Manufacturer Part Number | HMCT04AEERA131N |
| Manufacturer | SK Hynix |
| Condition | Refurbished |
| Standard Warranty | 90 Day Replacement Warranty |
| Item Category | Memory |
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SK Hynix 128GB 2S2Rx4 DDR5-4800B PC5-38400 ECC Registered Memory (HMCT04AEERA131N)
The SK Hynix HMCT04AEERA131N is a high-density 128GB DDR5 Registered memory module designed for mission-critical enterprise workloads. Built for next-generation server platforms, it delivers exceptional bandwidth, improved power efficiency, and enhanced reliability for data-intensive applications such as virtualization, AI/ML, and large-scale database environments.
Core Specifications
- Capacity: 128GB (1 x 128GB module)
- Memory Technology: DDR5 SDRAM
- Speed: 4800MHz (DDR5-4800 / PC5-38400)
- Form Factor: 288-pin RDIMM (Registered DIMM)
- Data Integrity: ECC (Error-Correcting Code)
- Voltage: 1.1V
- CAS Latency: CL46
- Rank Structure: 4Rx4 (Quad Rank x4)
Key Features
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High Performance:
DDR5 architecture with dual independent 32-bit channels per DIMM improves bandwidth and reduces latency under heavy workloads -
Enterprise Reliability:
On-die ECC and registered buffering enhance signal integrity and system stability -
Power Efficiency:
Integrated PMIC (Power Management IC) enables better voltage regulation and lower power consumption -
Thermal Optimization:
Designed for efficient heat management in dense server environments -
Ideal Use Cases:
Virtualization clusters, AI/ML training, financial modeling, and large-scale data analytics
Cross-Platform Compatibility
The HMCT04AEERA131N is a standard 128GB DDR5-4800 RDIMM used across multiple major server platforms. Below are the equivalent part numbers and compatible systems.
Dell Technologies
- Compatible Systems: PowerEdge R660, R760, T660
- Equivalent Part Numbers: AC449974, AC529151, AC517142
Supermicro
- Platforms: X13 (Intel) and H13 (AMD) systems
- Part Numbers: MEM-DR512L-HL01-ER48, MEM-DR512MH-ER48
Cisco Systems
- Platforms: UCS M7 Series (B200 M7, C220 M7, C240 M7)
- Part Number: UCS-MR128G4RE1
Lenovo
- Platforms: ThinkSystem V3 (SR630 V3, SR650 V3)
- Part Number: 03LA113
HPE Compatibility & System Integration
Compatible Server Platforms
These servers are the "host" units for this specific 128GB DDR5 module:
- HPE ProLiant DL380 Gen11: 2U Rack server for scalable data analytics
- HPE ProLiant DL360 Gen11: 1U high-density compute-optimized server
- HPE ProLiant ML350 Gen11: Tower server for branch offices
- HPE Synergy 480 Gen11: Compute module for composable infrastructure
Core System Components
For a complete build, these parts are typically paired with the memory:
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Processors (CPUs):
Requires 4th or 5th Gen Intel Xeon Scalable processors (e.g., Platinum 8593Q, Gold 6526Y, or Silver 4510)
Related Part Numbers & Replacements
Large server manufacturers often rebrand the HMCT04AEERA131N under their own internal SKUs. If you are searching for replacements for specific systems, look for these:
- MEM-DR512MH-ER48
- AC529151
- AC517142
- UCS-MR128G4RE1
- P43334-B21
- P48503-001
- P43336-0A1
Third-Party Certified Replacements
These modules meet the same 128GB DDR5-4800 Quad Rank x4 specifications:
- MTC40F2047S1RC64BB1
- HMCT04MEERA-ATC
These equivalent part numbers are commonly included in OEM-certified memory kits and upgrade configurations, ensuring compatibility with vendor-specific firmware, BIOS validation, and enterprise server architectures.