Hynix 64GB PC5-38400 4800MHz HMCG94AEBRA108N ECC DDR5 SDRAM RDIMM RAM

HMCG94AEBRA108N Hynix 64GB PC5-38400 4800MHz CL40 ECC DDR5 RDIMM SDRAM Memory Module Overview

The HMCG94AEBRA108N Hynix 64GB PC5-38400 4800MHz CL40 ECC DDR5 RDIMM SDRAM Memory Module represents a breakthrough in next-generation enterprise memory technology. Built for high-performance servers and advanced computing environments, this DDR5 registered DIMM provides exceptional speed, capacity, and reliability. Featuring 64GB per module, ECC (Error-Correcting Code) capabilities, and 4800MHz operating speed, it is designed for mission-critical workloads such as virtualization, artificial intelligence, in-memory databases, and cloud infrastructures. With PC5-38400 peak bandwidth and CL40 latency optimization, this module ensures optimal throughput while maintaining system stability and integrity in data-intensive environments.

Architecture and Technology Enhancements

DDR5 RDIMM Design

As a DDR5 Registered DIMM (RDIMM), this memory module integrates a register to buffer command, address, and control signals. This design reduces the electrical load on the server's memory controller, enabling stable high-capacity deployments. RDIMMs are particularly valuable in enterprise environments where multiple modules are populated per channel, ensuring scalability and consistency across multi-socket systems.

64GB High-Density Capacity

With 64GB of memory per DIMM, the HMCG94AEBRA108N supports ultra-high-density server configurations. Enterprise platforms can deploy multiple modules to scale up to terabytes of system memory, an essential feature for data centers running advanced virtualization clusters, in-memory analytics, and scientific workloads that demand vast amounts of memory.

ECC Error-Correcting Technology

This module includes ECC (Error-Correcting Code) functionality to detect and correct single-bit errors while identifying multi-bit issues. ECC improves system uptime and prevents costly data corruption, which is critical for business continuity in healthcare, finance, government, and cloud computing infrastructures.

CL40 Latency Optimization

Optimized with CL40 latency, the memory balances performance and responsiveness. This low-latency design reduces delays in accessing data, providing faster execution of workloads such as AI inference, complex queries, and data modeling.

Performance and Bandwidth

4800MHz High-Speed Operation

Operating at 4800MHz, this DDR5 RDIMM outperforms DDR4 modules by offering significantly faster data transfer rates. The higher clock speed ensures low-latency response times, which is essential for real-time analytics, online transaction systems, and machine learning workloads that require immediate access to large data pools.

PC5-38400 Data Bandwidth

Supporting PC5-38400 bandwidth, the module delivers 38.4 GB/s of peak throughput per DIMM. This massive bandwidth enables enterprise systems to handle highly parallelized operations, improving the efficiency of virtualization environments, HPC clusters, and AI frameworks.

Bank Group Parallelism

DDR5 introduces expanded bank group architecture, allowing greater command concurrency. This parallelism enhances effective bandwidth utilization and reduces contention for memory access, supporting multi-threaded workloads in distributed cloud platforms.

Enterprise Workload Applications

In-Memory Database Acceleration

In-memory databases such as SAP HANA and Oracle Database demand ultra-high memory capacity and speed to deliver real-time analytics. The 64GB density of this module allows enterprises to store massive datasets directly in memory, drastically reducing query response times and accelerating decision-making processes.

High-Performance Computing (HPC)

HPC workloads such as engineering simulations, genome sequencing, and weather modeling benefit from this module’s ultra-fast speed and ECC reliability. With higher throughput and error correction, HPC clusters maintain consistent performance while minimizing computation errors.

Reliability and System Stability

On-Die ECC and System-Level ECC

DDR5 integrates on-die ECC within each DRAM chip, supplementing module-level ECC. This dual-layer protection minimizes the risk of uncorrected errors and ensures the highest data accuracy for mission-critical workloads.

Thermal Management Enhancements

The HMCG94AEBRA108N incorporates advanced thermal management with built-in sensors to monitor module temperature. These sensors enable servers to dynamically adjust performance and cooling, preventing overheating and maintaining consistent stability.

Enterprise-Grade Reliability

Built for 24/7 uptime, this module is engineered for environments where downtime is unacceptable. Data centers, financial institutions, and healthcare systems can rely on its robust error protection and registered buffering to ensure long-term operational stability.

Energy Efficiency and Sustainability

Low Voltage DDR5 Technology

DDR5 operates at 1.1V, lower than DDR4’s typical voltage requirements. This reduced power consumption translates into lower energy costs for data centers and contributes to environmental sustainability by reducing overall heat output.

Power Management Features

Integrated power management ICs (PMICs) on DDR5 modules enhance power efficiency by delivering regulated voltages directly on the DIMM. This provides more granular power control, improving overall stability and reducing system-level energy waste.

Sustainability in Large Deployments

For enterprises managing thousands of servers, the power savings from DDR5 adoption accumulate into significant cost reductions. The HMCG94AEBRA108N offers a balance of performance and sustainability, aligning IT operations with green data center initiatives.

Deployment and Configuration Best Practices

Compatibility with Server Platforms

This DDR5 RDIMM is compatible with servers and workstations designed to support DDR5 ECC RDIMM architecture. Administrators should confirm motherboard and CPU support for DDR5 4800MHz modules before deployment.

Firmware and BIOS Optimization

Updating BIOS and firmware ensures recognition of DDR5’s full potential, including 4800MHz operation and ECC functions. Administrators should enable ECC features in the BIOS to maximize system reliability.

Benefits for Enterprise IT

Scalability

Enables terabyte-class memory configurations, supporting large-scale virtualization clusters and analytics workloads.

Data Integrity

Provides advanced ECC error correction at both module and chip level, ensuring reliable long-term operation.

Performance Optimization

High-frequency 4800MHz speed with PC5-38400 bandwidth supports real-time, data-intensive enterprise applications.