Hynix 64GB PC5-38400 HMCG94AEBRA119N 4800MHz Cl40 ECC DDR5 SDRAM RAM

HMCG94AEBRA119N Hynix 64GB PC5-38400 4800MHz CL40 ECC DDR5 SDRAM 288-Pin RDIMM Memory Module Overview

The HMCG94AEBRA119N Hynix 64GB PC5-38400 4800MHz CL40 ECC DDR5 SDRAM 288-pin RDIMM Memory Module is engineered to support next-generation enterprise workloads that require ultra-fast performance, massive capacity, and unmatched reliability. This registered DDR5 SDRAM module provides 64GB of memory per DIMM, making it ideal for large-scale deployments across virtualization clusters, AI-driven platforms, and in-memory database applications. With a data transfer speed of 4800MHz, PC5-38400 bandwidth, CL40 latency, and ECC protection, it ensures optimal throughput and system stability under the most demanding conditions. As part of the Hynix DDR5 family, this module incorporates the latest advancements in DRAM architecture, delivering efficiency, scalability, and future-readiness for data center environments.

DDR5 RDIMM Architecture and Design

Registered DIMM Technology

The RDIMM (Registered DIMM) architecture of the HMCG94AEBRA119N buffers command and control signals between the memory controller and DRAM chips. This reduces electrical load, allowing for higher capacity and improved stability in multi-module configurations. RDIMMs are crucial for servers and workstations where reliability and scalability are required.

64GB High-Capacity Module

With 64GB per module, this Hynix DDR5 RDIMM provides ample memory for enterprise workloads, allowing servers to scale up to terabytes of total capacity. Such density is especially valuable for virtualization environments, HPC clusters, and real-time analytics that require vast amounts of system memory.

288-Pin DDR5 RDIMM Interface

Built with a 288-pin interface, this DDR5 RDIMM ensures secure connectivity and optimal signal integrity. The design maintains compatibility with motherboards that support DDR5 ECC RDIMMs, delivering faster signaling and improved channel efficiency.

Error-Correcting Code (ECC) Functionality

The inclusion of ECC technology ensures the detection and correction of single-bit memory errors, reducing the risk of data corruption. In mission-critical environments such as finance, healthcare, and scientific computing, ECC support guarantees high levels of reliability and minimizes system downtime.

Performance Characteristics

4800MHz High-Speed Performance

Operating at 4800MHz, the HMCG94AEBRA119N delivers exceptional speed compared to previous DDR4 generations. This higher clock rate ensures minimal latency and faster data access, benefiting workloads that demand immediate response such as AI inference, online transactions, and edge computing.

PC5-38400 Data Bandwidth

With a peak transfer rate of 38.4 GB/s per DIMM, the PC5-38400 standard delivers massive throughput. For enterprise platforms running multi-threaded applications, the available bandwidth reduces data bottlenecks and enhances system performance.

CL40 Latency Optimization

Featuring CL40 latency, this DDR5 RDIMM balances high-speed operation with low-latency performance. Applications that require real-time responsiveness, such as streaming analytics and virtualization, benefit from reduced delays in data processing.

Improved Bank Group Architecture

DDR5 memory introduces enhanced bank group parallelism, allowing multiple independent operations within the same module. This design increases concurrency and effective bandwidth utilization, ensuring efficiency in highly parallelized workloads.

Enterprise and Data Center Applications

In-Memory Database Solutions

Databases like SAP HANA and Oracle benefit from in-memory acceleration made possible by large-capacity modules like this 64GB DDR5 RDIMM. By keeping entire datasets in memory, query response times are dramatically reduced, accelerating analytics and decision-making processes..

High-Performance Computing (HPC)

HPC workloads including simulations, genomic research, and scientific modeling rely on large-scale memory performance. With ECC reliability and 4800MHz transfer speeds, this module supports stable and efficient HPC operations, reducing computation errors in sensitive calculations.

Reliability and Uptime

On-Die ECC and System-Level ECC

DDR5 integrates on-die ECC at the chip level alongside system-level ECC on the module. This dual protection ensures maximum error resilience, making it ideal for mission-critical infrastructures where accuracy and uptime are non-negotiable.

Thermal Management Features

Equipped with thermal sensors, this memory module monitors real-time temperatures to prevent overheating. Advanced server platforms can adjust cooling dynamically, ensuring stable operation under continuous high-load environments.

Enterprise-Grade Reliability

Engineered for data centers and enterprise applications, the HMCG94AEBRA119N is designed for continuous operation with consistent reliability. Its durability makes it suitable for 24/7 workloads where downtime directly impacts business operations.

Energy Efficiency and Sustainability

Lower Power Consumption

Operating at 1.1V, DDR5 modules like the HMCG94AEBRA119N reduce power usage compared to DDR4 modules. This efficiency translates to lower operational costs in large-scale data centers.

Power IC (PMIC) Integration

DDR5 includes an on-module PMIC (Power Management Integrated Circuit) that delivers regulated voltages with precision. This feature improves power distribution, enhances reliability, and contributes to greater energy efficiency.

Eco-Friendly Data Center Deployments

With lower power draw and efficient thermal management, this module supports sustainability goals in enterprise IT. For organizations managing thousands of servers, adopting DDR5 memory significantly reduces carbon footprint and electricity usage.

Deployment and Configuration Guidelines

Compatibility Considerations

The HMCG94AEBRA119N is compatible with server platforms designed for DDR5 RDIMM. System administrators should verify motherboard and CPU support before deployment to ensure full utilization of DDR5 features.

Memory Channel Optimization

• Populate memory modules evenly across channels for balanced performance.
• Install identical DIMMs for consistency in speed and latency.
• Enable BIOS settings that support ECC functionality for maximum reliability.

Firmware and BIOS Updates

Ensuring servers run the latest BIOS and firmware versions allows full DDR5 recognition, optimal frequency utilization, and ECC activation. Proper firmware support maximizes performance and prevents compatibility issues.

Key Advantages for Enterprise IT

Massive Memory Density

At 64GB per DIMM, enterprises can achieve large-scale memory configurations essential for high-performance workloads and memory-intensive applications.

Enhanced Reliability

With ECC and on-die error correction, this module ensures data integrity for mission-critical applications, minimizing downtime risks.

High-Speed Data Transfer

Operating at 4800MHz with PC5-38400 bandwidth, it delivers seamless performance for demanding enterprise applications.

Future-Ready Memory Technology

As part of the DDR5 generation, the HMCG94AEBRA119N ensures scalability, efficiency, and compatibility with emerging IT infrastructures and workloads.