Hynix 64GB PC5-38400 HMCG94AEBRA182N 4800MHz DDR5 SDRAM 288-pin RAM

HMCG94AEBRA182N Hynix 64GB 4800MHz PC5-38400 CL40 ECC 2Rx4 DDR5 SDRAM 288-Pin RDIMM Memory Module Overview

The HMCG94AEBRA182N Hynix 64GB 4800MHz PC5-38400 CL40 ECC 2Rx4 DDR5 SDRAM 288-pin RDIMM Memory Module is a premium-grade enterprise memory solution engineered to maximize performance, stability, and reliability in server and data center environments. As one of the most advanced DDR5 ECC RDIMM modules, it combines massive 64GB capacity, high-speed 4800MHz frequency, PC5-38400 bandwidth, CL40 latency, and 2Rx4 architecture to deliver the scalability modern businesses require. With 288-pin RDIMM design, ECC functionality, and Hynix’s proven DRAM innovations, this module provides the backbone for mission-critical workloads in virtualization, HPC, AI, in-memory computing, and cloud platforms.

Advanced DDR5 RDIMM Technology

Registered DIMM Architecture

The registered DIMM (RDIMM) design of the HMCG94AEBRA182N provides stability and reliability by buffering control signals between the memory controller and DRAM chips. This reduces electrical loading, enabling higher module densities and faster speeds while maintaining consistent performance. It is especially critical in multi-channel server configurations.

2Rx4 Rank Configuration

Featuring a 2Rx4 layout, this RDIMM offers improved throughput and stability compared to single-rank modules. The rank configuration distributes workload efficiently across multiple banks, increasing concurrency and ensuring smoother data processing for applications such as virtualization clusters and large-scale analytics.

288-Pin DDR5 Interface

The 288-pin interface provides a reliable and secure physical connection for DDR5-compatible server motherboards. Enhanced signaling, improved channel architecture, and optimized pin layout deliver higher data rates and improved efficiency compared to DDR4 memory modules.

Error-Correcting Code (ECC) Protection

ECC support allows the HMCG94AEBRA182N to automatically detect and correct single-bit memory errors. This feature ensures maximum uptime and prevents data corruption, making it an indispensable choice for mission-critical deployments where accuracy and stability are non-negotiable.

Performance Features

High-Speed 4800MHz Frequency

Running at 4800MHz, this DDR5 module provides a dramatic speed improvement over DDR4 equivalents. The faster memory clock ensures minimized latency and higher data transfer efficiency, optimizing performance for real-time computing workloads such as financial modeling, AI inference, and scientific simulations.

PC5-38400 Bandwidth

Delivering up to 38.4 GB/s per DIMM, the PC5-38400 standard enables outstanding throughput for server applications. Whether processing large data sets or supporting hundreds of concurrent virtual machines, this bandwidth ensures a seamless experience with reduced bottlenecks.

CL40 Latency

With CL40 latency, the HMCG94AEBRA182N balances high-frequency operation with efficient access times. The combination of low-latency response and high-bandwidth throughput makes it ideal for applications requiring both speed and reliability.

Parallelism and Bank Group Enhancements

DDR5 technology introduces enhanced bank group parallelism, allowing simultaneous operations across multiple banks. This architectural improvement enhances concurrency, reduces wait times, and ensures smoother performance across memory-intensive workloads.

Enterprise Applications

In-Memory Databases

Applications like SAP HANA and Oracle benefit from large-capacity DDR5 modules by keeping massive datasets in memory. This accelerates query processing, real-time analytics, and transactional operations.

High-Performance Computing (HPC)

HPC clusters running scientific research, weather forecasting, and genomic analysis rely on high-capacity, high-speed memory. The HMCG94AEBRA182N supports data-intensive computations with consistency and efficiency.

Reliability and Stability

On-Die ECC and System-Level ECC

DDR5 integrates on-die ECC error correction at the chip level, while the RDIMM provides system-level ECC. This dual-layer approach maximizes reliability and ensures protection from transient errors and bit flips.

Thermal Management

With integrated temperature sensors, this module provides real-time thermal data to server management software. Dynamic cooling responses ensure stable operation in high-density server racks.

Enterprise-Grade Uptime

The HMCG94AEBRA182N is engineered for 24/7 operation in enterprise environments. Its robust construction and error correction mechanisms minimize downtime risks, supporting continuous workloads.

Power Efficiency

Lower Operating Voltage

Running at 1.1V, DDR5 reduces power consumption compared to DDR4 modules. In large deployments, this efficiency translates to significant energy and cost savings.

Integrated Power Management IC (PMIC)

The inclusion of a PMIC enhances power distribution, regulates voltage more effectively, and improves module efficiency. This innovation reduces energy waste and contributes to sustainability initiatives.

Eco-Friendly Data Center Deployments

With reduced energy usage and improved cooling efficiency, this module supports eco-friendly IT operations, lowering the carbon footprint of data center infrastructure.

Deployment Best Practices

Compatibility

This module is designed for DDR5-compatible motherboards and CPUs. System administrators must confirm compatibility to ensure full feature utilization.

Channel Population Strategy

• Distribute DIMMs evenly across memory channels.
• Use identical modules to maintain speed consistency.
• Enable ECC settings in BIOS for maximum data integrity.

Firmware Updates

Updated BIOS and firmware ensure full DDR5 support, optimal frequency recognition, and stability improvements. Keeping firmware current is vital for peak performance.

Key Benefits for IT Professionals

Scalable Memory Capacity

With 64GB per RDIMM, data centers can scale to terabytes of memory capacity, supporting virtualization clusters and in-memory databases with ease.

Reliable Operation

ECC error correction, robust thermal controls, and enterprise-grade design ensure stable operation under heavy workloads.

Future-Proof Design

As part of the DDR5 generation, this module ensures compatibility with next-gen servers, delivering future-ready performance and scalability.