HMCG94MEBRA126N Hynix 64GB PC5-38400 DDR5 4800MHz Memory

Enterprise-Class DDR5 RDIMM Memory Solutions

The advent of DDR5 SDRAM technology has revolutionized the performance benchmarks for enterprise and data center memory infrastructure. Among the standout components in this new era of memory solutions is the HYNIX HMCG94MEBRA126N 64GB 4800MHz PC5-38400 Dual Rank X4 ECC Registered CL40 DDR5 SDRAM 288-Pin RDIMM Memory Module. This memory module offers groundbreaking improvements in bandwidth, efficiency, and reliability, making it a vital component for high-performance servers, virtualization workloads, and compute-intensive enterprise applications.

Key Features of HYNIX HMCG94MEBRA126N DDR5 RDIMM Memory Module

The HYNIX HMCG94MEBRA126N memory module incorporates advanced features tailored to meet the demanding requirements of today’s enterprise computing environments. As a DDR5 Registered DIMM (RDIMM), it ensures exceptional reliability and scalability for mission-critical servers.

• 64GB capacity per module for high-density memory configurations.
• 4800MHz data transfer rate, classified as PC5-38400 for ultra-fast performance.
• Dual Rank X4 organization, optimizing data integrity and multi-threaded processing.
• ECC (Error-Correcting Code) technology for automatic detection and correction of data errors.
• CL40 latency for balanced responsiveness in enterprise workloads.
• 288-Pin RDIMM form factor, ensuring compatibility with modern server architectures.

DDR5 SDRAM: A New Standard for Enterprise Memory

DDR5 SDRAM marks a significant advancement over its predecessor, DDR4, offering higher speeds, increased capacity per DIMM, and improved power efficiency. The HYNIX HMCG94MEBRA126N fully leverages these enhancements, delivering superior memory bandwidth and system performance essential for AI, machine learning, virtualization, and data-intensive analytics.

Enhanced Bandwidth and Speed

The 4800MHz operational speed of this DDR5 RDIMM module ensures rapid data access and processing capabilities. With a PC5-38400 classification, it doubles the effective memory bandwidth compared to standard DDR4 solutions. This translates to faster application response times and optimized throughput for large-scale enterprise environments.

Impact on Server Performance

High-frequency memory modules like the HYNIX HMCG94MEBRA126N enable servers to handle extensive multitasking, large datasets, and simultaneous virtual machine operations with minimal latency. The increased data rates support memory-intensive applications such as in-memory databases, scientific simulations, and financial analytics platforms.

Improved Power Efficiency and Thermal Management

DDR5 technology introduces refined power management capabilities, with onboard Power Management Integrated Circuits (PMIC) that regulate voltage more efficiently at the module level. This results in reduced overall power consumption and enhanced thermal stability — crucial for maintaining optimal server room temperatures and energy costs.

ECC Registered Memory: Data Integrity and Reliability

The integration of ECC (Error-Correcting Code) within the HYNIX HMCG94MEBRA126N ensures that single-bit errors are automatically detected and corrected, while multi-bit errors are flagged, safeguarding mission-critical operations against data corruption.

Registered DIMM Architecture

As a Registered DIMM, or RDIMM, this memory module includes a register between the DRAM modules and the memory controller. This feature improves signal integrity and allows for higher memory densities and improved scalability in multi-channel, multi-processor server configurations.

Benefits in Enterprise Workloads

The RDIMM configuration is particularly advantageous in servers hosting ERP, CRM, database management systems, and AI/ML inference platforms. It ensures uninterrupted data transfer, reduced latency, and maximum uptime for 24/7 operational environments.

Compatibility and Integration

The HYNIX HMCG94MEBRA126N is designed for seamless integration with next-generation server platforms supporting DDR5 memory, including models from Dell EMC, HPE ProLiant, Lenovo ThinkSystem, and Supermicro. The 288-Pin RDIMM design adheres to JEDEC standards, ensuring broad compatibility and simplified upgrades in enterprise data centers.

Multi-Vendor Server Support

• Certified compatibility with Intel 4th Gen Xeon Scalable processors.
• Supported by AMD EPYC 9004 Series Genoa platforms.
• Ideal for hybrid and hyper-converged infrastructure deployments.

Subcategories within DDR5 ECC Registered RDIMM Memory

While the HYNIX HMCG94MEBRA126N represents a specific high-capacity, high-frequency memory solution, it belongs to a broader subcategory of DDR5 ECC Registered RDIMM Memory Modules, differentiated by several key characteristics.

Memory Capacity Options

• 32GB DDR5 RDIMMs for moderate workloads and balanced performance.
• 64GB DDR5 RDIMMs like the HMCG94MEBRA126N for virtualization and database servers.
• 128GB and 256GB DDR5 RDIMMs for compute-optimized, in-memory analytics systems.

Speed Ratings

DDR5 ECC RDIMMs are available in various speed grades, including:

• 4800MT/s (PC5-38400)
• 5200MT/s (PC5-41600)
• 5600MT/s (PC5-44800)
• 6400MT/s (PC5-51200)

The choice of memory speed impacts data transfer rates, application performance, and system stability, with higher-speed modules providing enhanced throughput for demanding workloads.

Latency Considerations

Latency, measured in CAS latency (CL), affects how quickly a memory module can respond to requests. The HYNIX HMCG94MEBRA126N operates at a CL40 latency, offering a balanced profile between high speed and responsive performance. Modules with lower latencies like CL36 are also available for ultra-low-latency applications, albeit at varying capacities and price points.

Applications and Use Cases

The advanced capabilities of DDR5 RDIMM modules like the HYNIX HMCG94MEBRA126N make them ideal for a variety of enterprise and data center applications:

Virtualization and Cloud Computing

High-density DDR5 ECC RDIMMs are essential for virtualized environments running multiple virtual machines (VMs) per physical server. They enable higher VM density per host while maintaining stability and performance, reducing hardware footprint, and optimizing resource utilization.

High-Performance Computing (HPC)

Scientific computing, engineering simulations, and artificial intelligence workloads require substantial memory bandwidth and capacity. The 64GB HYNIX DDR5 RDIMM’s high frequency and ECC support ensure dependable performance for parallel processing and data-intensive computations.

In-Memory Databases

Applications such as SAP HANA and Oracle Database In-Memory benefit significantly from high-capacity, low-latency memory. DDR5 RDIMMs with ECC offer the required reliability and speed, reducing query response times and accelerating transaction processing in real-time analytics.

AI and Machine Learning

Memory bandwidth and capacity are critical factors in AI/ML training and inference workloads. The HYNIX HMCG94MEBRA126N ensures data integrity while delivering the performance needed for large dataset processing and deep neural network computations.

Enterprise Storage Systems

Modern enterprise storage appliances and SAN systems leverage high-speed memory for cache management, deduplication processes, and metadata indexing. DDR5 RDIMMs improve these operations’ efficiency, leading to faster data access and reduced I/O bottlenecks.

Thermal Management and Durability

DDR5 modules, including the HYNIX HMCG94MEBRA126N, are designed for enhanced durability in continuous-operation environments. They incorporate thermal sensors and optimized PCB layouts that support efficient heat dissipation, ensuring consistent performance in densely populated server racks.

Onboard PMIC and Voltage Regulation

With integrated Power Management ICs (PMIC), DDR5 RDIMMs independently manage power delivery, reducing electrical noise and improving voltage regulation at the module level. This leads to lower power draw and improved stability under heavy workloads.

JEDEC Standards and Compliance

The HYNIX HMCG94MEBRA126N conforms to JEDEC DDR5 RDIMM standards, ensuring interoperability across compliant systems and simplifying procurement for enterprise IT managers. This adherence guarantees that performance metrics, electrical characteristics, and physical form factors align with industry-defined specifications.

Security and Data Protection

Beyond ECC, enterprise-grade memory modules often incorporate features like side-channel attack resistance and data scrambling to enhance system security. These functionalities protect against unauthorized data access and ensure compliance with enterprise data protection protocols.