HMCG94MEBRA127N Hynix 64GB DDR5 4800MHz PC5-38400 Memory

Overview of Hynix HMCG94MEBRA127N 64gb Ddr5 4800MHz Pc5-38400 Rdimm Memory Module 

The HYNIX HMCG94MEBRA127N is a high-performance 64GB DDR5 Registered Dual In-line Memory Module (RDIMM) designed to meet the demanding requirements of modern enterprise servers and high-performance computing platforms. Operating at 4800MHz and offering a PC5-38400 transfer rate, this memory module brings significant improvements in bandwidth, capacity, power efficiency, and reliability over its DDR4 predecessors. Equipped with Error-Correcting Code (ECC) support and built in a 2Rx4 configuration, it ensures stable operation in mission-critical server environments.

Technical Specifications of HYNIX HMCG94MEBRA127N

Memory Type and Technology

The HYNIX HMCG94MEBRA127N utilizes DDR5 SDRAM (Double Data Rate 5 Synchronous Dynamic Random-Access Memory) technology, representing the next evolutionary step in memory solutions for enterprise and data center systems. DDR5 memory enhances performance, energy efficiency, and reliability through advanced signaling technologies and improved power management.

Capacity and Speed

This RDIMM offers a substantial 64GB memory capacity per module, making it ideal for data-intensive applications such as virtualization, real-time analytics, large-scale databases, and AI/ML workloads. The module operates at an impressive 4800MHz, delivering a theoretical peak bandwidth of 38.4 GB/s (PC5-38400), a substantial improvement over previous DDR4 generations.

ECC and Reliability Features

Equipped with ECC (Error-Correcting Code), the HYNIX HMCG94MEBRA127N automatically detects and corrects single-bit memory errors, thereby ensuring data integrity and system stability in environments where uptime is critical. ECC functionality is indispensable for server and workstation platforms where data corruption could have severe consequences.

Module Configuration

The module features a 2Rx4 rank configuration, which denotes two ranks with four-bit wide data lines per chip group. This structure improves access time and maximizes memory throughput, making it suitable for systems requiring high memory density and reliability. The 288-Pin RDIMM form factor ensures compatibility with modern DDR5 server motherboards.

Benefits of Upgrading to DDR5 Memory

Enhanced Data Bandwidth

DDR5 technology introduces significant enhancements over DDR4 by doubling the maximum data rates, which translates into higher memory throughput. The 4800MHz clock speed of this HYNIX RDIMM provides notable improvements in application response times and system productivity, particularly in data-centric and multitasking server environments.

Superior Power Efficiency

DDR5 modules like the HMCG94MEBRA127N operate at a lower 1.1V supply voltage compared to DDR4’s 1.2V, contributing to reduced power consumption. Furthermore, integrated Power Management ICs (PMIC) allow for granular control over voltage regulation directly on the module, enhancing power efficiency and reducing system-wide power losses in large-scale deployments.

Improved Memory Architecture

DDR5 introduces innovations such as double the number of memory banks and increased burst lengths. This enhanced architecture minimizes latency and boosts concurrent processing capabilities, critical for server environments handling multiple, simultaneous memory-intensive workloads.

Use Cases for HYNIX HMCG94MEBRA127N DDR5 RDIMM

Enterprise Servers

Enterprise servers benefit tremendously from high-capacity, high-speed memory modules like the HYNIX HMCG94MEBRA127N. Applications such as virtualization, cloud hosting, and online transaction processing (OLTP) rely on high memory bandwidth and ECC protection to maintain operational continuity and performance.

High-Performance Computing (HPC)

Scientific simulations, financial modeling, and weather prediction systems often demand enormous memory resources. The 64GB capacity and 4800MHz frequency make this RDIMM module suitable for HPC clusters, enhancing throughput and system stability during compute-intensive tasks.

Artificial Intelligence and Machine Learning

AI/ML frameworks require rapid access to vast datasets stored in system memory. The DDR5 4800MHz speed and high capacity ensure that AI inference and training models can efficiently process large volumes of data without bottlenecks.

Big Data Analytics

Data centers processing petabytes of structured and unstructured data gain improved processing times and reduced latency with high-capacity ECC memory modules. The HYNIX HMCG94MEBRA127N is optimized for in-memory analytics and database applications that benefit from enhanced memory bandwidth and integrity features.

Compatibility and System Integration

Motherboard and Server Support

The HYNIX HMCG94MEBRA127N is designed to work seamlessly with DDR5-compatible server motherboards featuring 288-pin RDIMM slots. It supports advanced BIOS features such as memory overclocking and multi-channel configurations, providing flexible upgrade paths for enterprise IT infrastructures.

Multi-Module Scalability

Servers and workstations can be equipped with multiple HMCG94MEBRA127N modules, scaling total system memory capacity to the terabyte range. The 2Rx4 ECC RDIMM configuration ensures that large-scale memory configurations remain stable and reliable, even under peak workloads.

Performance and Benchmarking Insights

Latency and Bandwidth Testing

Benchmark tests indicate that DDR5 modules like the HYNIX HMCG94MEBRA127N demonstrate lower latency and higher throughput compared to equivalent DDR4 modules in similar configurations. Improvements in burst lengths and prefetch buffers result in more efficient memory transactions and better performance in concurrent application scenarios.

Thermal Performance

Thanks to reduced operating voltages and integrated PMICs, the HMCG94MEBRA127N maintains optimal thermal performance, even in high-density server environments. Improved thermal management reduces the likelihood of throttling and hardware failure, prolonging system longevity.

Physical and Electrical Characteristics

Module Dimensions and Layout

The HMCG94MEBRA127N follows industry-standard DDR5 RDIMM dimensions, ensuring it fits within all server chassis supporting 288-pin slots. The precise module dimensions facilitate effective airflow within densely populated server racks, contributing to consistent thermal regulation.

Power Consumption Profile

Operating at a nominal 1.1V, this memory module consumes less power than its DDR4 equivalents, contributing to lower overall system TCO (Total Cost of Ownership). Energy-efficient operation becomes especially beneficial in data centers with large memory footprints and stringent power budgets.

DDR5 Innovations Enhancing Server Infrastructure

On-Die ECC vs. Module-Level ECC

While DDR5 introduces on-die ECC for internal error correction, the HMCG94MEBRA127N also integrates traditional module-level ECC, providing dual-layered data protection. This dual ECC mechanism ensures the highest reliability standards for mission-critical workloads.

PMIC Integration

The embedded Power Management IC (PMIC) shifts power management responsibilities from the motherboard to the memory module, delivering more consistent voltage regulation and reducing latency in power delivery. This allows for more stable operation under variable load conditions.

Additional Thermal Sensors

To maintain reliability under demanding conditions, DDR5 modules like the HMCG94MEBRA127N feature multiple thermal sensors for real-time monitoring. These sensors provide system administrators with vital temperature data, enabling proactive thermal management strategies.

Product Application Environments

Virtualization Hosts

High-density virtualization hosts require extensive memory resources to run multiple virtual machines concurrently. The 64GB capacity and ECC functionality of the HYNIX HMCG94MEBRA127N make it a practical choice for systems hosting virtualized enterprise applications and services.

Database Servers

Mission-critical databases demand fast, reliable memory access. DDR5 memory, with its increased bandwidth and data integrity safeguards, ensures seamless transaction processing and query handling for enterprise-grade databases such as SQL, Oracle, and SAP HANA.