HMCG94AHBRA485N Hynix 64GB PC5-51200 DDR5 Memory

High-Performance Enterprise DDR5 Registered DIMM Memory Modules

The HYNIX HMCG94AHBRA485N 64GB DDR5 6400MHz PC5-51200 2Rx4 ECC SDRAM 288-Pin RDIMM Memory Module represents a significant leap forward in memory technology, designed to meet the increasingly demanding workloads of modern enterprise servers and data centers. As part of the growing ecosystem of DDR5 Registered DIMMs (RDIMMs), this module delivers impressive improvements in speed, capacity, power efficiency, and data integrity over its DDR4 predecessors.

Key Advantages of DDR5 6400MHz RDIMM Memory

The HYNIX HMCG94AHBRA485N is engineered around the latest DDR5 SDRAM architecture, offering a substantial increase in memory bandwidth and overall system performance. With a rated speed of 6400MHz, it outpaces DDR4 modules by providing faster data transfer rates, reduced latency, and improved multitasking capabilities, crucial for virtualization, cloud computing, big data analytics, and AI-based applications.

Enhanced Data Throughput

One of the standout features of DDR5 RDIMM modules is the doubling of burst length and the introduction of two independent 32-bit subchannels per DIMM. This allows simultaneous data reads and writes, reducing bottlenecks and improving data throughput for memory-intensive workloads. In practical terms, enterprise systems running on DDR5 memory experience smoother multitasking and faster response times across complex processing environments.

ECC (Error-Correcting Code) for Mission-Critical Stability

The ECC functionality embedded in the HYNIX HMCG94AHBRA485N ensures superior data integrity by detecting and correcting single-bit memory errors. This capability is essential for preventing system crashes, data corruption, and costly downtime in enterprise and server infrastructures, where operational continuity is paramount.

Lower Power Consumption and Improved Efficiency

DDR5 technology introduces lower operating voltages compared to DDR4, typically dropping from 1.2V to 1.1V. This reduction in power consumption leads to decreased heat generation and enhanced energy efficiency, which is particularly beneficial in large-scale data centers where operational costs and thermal management are ongoing concerns.

Technical Overview of HYNIX HMCG94AHBRA485N 64GB RDIMM

This high-capacity DDR5 RDIMM memory module is purpose-built for enterprise server applications, offering a balanced combination of speed, reliability, and power efficiency. Below is a detailed technical breakdown:

Memory Capacity and Speed

The 64GB capacity of the HYNIX HMCG94AHBRA485N provides ample space for hosting large databases, virtualization instances, and in-memory analytics platforms. Its 6400MHz data rate (PC5-51200) ensures rapid data exchange, making it an ideal choice for high-performance computing (HPC), AI model training, and content delivery networks (CDNs).

Module Type and Form Factor

Designed as a Registered DIMM (RDIMM), this module utilizes a dedicated register chip that buffers control and command signals between the memory controller and DRAM chips. This improves signal integrity and scalability, enabling support for higher memory densities in multi-channel server configurations. Its 288-pin layout aligns with DDR5 RDIMM standards for compatibility with the latest server motherboards.

ECC Support and Reliability Features

Equipped with advanced ECC, the HYNIX HMCG94AHBRA485N actively corrects single-bit errors and detects multi-bit errors, significantly enhancing system stability. It also integrates on-die ECC (ODECC) within each DRAM chip for early error detection before data transmission to the module-level ECC, providing a dual-layered approach to data integrity.

Power Management Integrated Circuit (PMIC)

DDR5 modules like this HYNIX RDIMM incorporate an onboard PMIC that centralizes power management, improving power delivery granularity and reducing voltage fluctuations. This results in optimized power efficiency and better thermal performance, crucial for high-density server deployments.

Ideal Use Cases for DDR5 6400MHz 64GB RDIMM Modules

The HYNIX HMCG94AHBRA485N 64GB RDIMM is tailored for enterprise environments where high-speed data processing, multitasking, and reliable performance are vital. Below are several scenarios where this memory module excels:

Enterprise Virtualization and Cloud Hosting

With growing demands for virtualized server environments, having high-capacity, high-speed memory modules ensures seamless virtual machine operation, reduces resource contention, and improves overall server responsiveness. The 64GB capacity enables hosting numerous VMs per server, minimizing hardware costs while maximizing operational efficiency.

High-Performance Computing (HPC)

Scientific research, engineering simulations, and financial modeling rely on large data sets and complex computations. DDR5 6400MHz modules provide the memory bandwidth necessary to feed data-hungry CPUs and accelerators, minimizing latency and enhancing throughput for time-critical calculations.

AI and Machine Learning

Training AI models and processing real-time analytics requires immense memory resources. The HYNIX HMCG94AHBRA485N delivers the capacity and speed to support parallel processing and data-intensive AI workloads, enabling faster model training and inference times.

Database Management Systems (DBMS)

Large-scale relational and NoSQL databases benefit from increased memory capacity and faster access times, reducing disk I/O and query latency. This module’s ECC functionality ensures the integrity of critical transactional data, making it ideal for business intelligence and big data platforms.

Compatibility and System Integration

The HYNIX HMCG94AHBRA485N is designed for seamless integration with enterprise-grade motherboards and server platforms supporting DDR5 RDIMM memory. It adheres to JEDEC standards for DDR5, ensuring compatibility with leading server architectures from manufacturers such as Dell EMC, HPE, Lenovo, Supermicro, and Cisco.

Multi-Module Configurations

Enterprise servers often utilize multi-channel, multi-module memory configurations to maximize throughput and minimize latency. This 64GB module’s Registered DIMM design and ECC support make it suitable for large-scale deployments, supporting high-density memory configurations for mission-critical applications.

Hot-Pluggable Capabilities

In enterprise environments where system uptime is crucial, RDIMM modules like the HYNIX HMCG94AHBRA485N are compatible with systems that support hot-swapping or hot-plugging, allowing for memory upgrades and replacements without system downtime, improving serviceability and reducing maintenance windows.