HMCG84AHBRA284N Hynix 32GB PC5-51200 DDR5-6400MHz 1Rx4 ECC RAM

Hynix 32GB PC5-51200 DDR5 RAM

The Hynix HMCG84AHBRA284N 32GB PC5-51200 DDR5-6400MHz 1Rx4 ECC RAM module is designed for high-performance computing, offering exceptional speed, reliability, and advanced error correction for enterprise servers and professional workstations.

Manufacturer Details

• Brand Name: Hynix
• Model Number: HMCG84AHBRA284N
• Product Type: 32GB DDR5 SDRAM Memory Module

Technical Specifications

Core Attributes

• Storage Capacity: 32GB
• Memory Technology: DDR5 SDRAM
• Module Count: 1 x 32GB
• Speed Rating: 6400MT/s DDR5-6400 / PC5-51200

Performance Features

Data Integrity

• ECC (Error-Correcting Code) ensures reliable data processing
• Minimizes system crashes and enhances stability

Signal Processing

Registered DIMM

• Registered design for enterprise-grade performance
• Supports heavy workloads and multitasking

Latency & Rank

CAS Latency

• CL42 timing for optimized responsiveness

Rank Configuration

• Dual Rank (1Rx4) for enhanced efficiency

Physical Characteristics

Design & Dimensions

• Form Factor: 288-Pin RDIMM
• Dimensions: Height 2.00 in x Depth 7.00 in
• Weight: 0.20 lb

Enterprise 32GB 6400MHz DDR5 RDIMM ECC RAM Overview

Enterprise-class DDR5 registered memory modules represent a foundational component in modern server architectures designed for data-intensive computing, virtualization, and cloud-native workloads. The Hynix HMCG84AHBRA284N 32GB DDR5 RDIMM belongs to a category of high-density, high-frequency server memory solutions engineered to meet the performance, stability, and scalability demands of next-generation data centers. Operating at 6400MHz with PC5-51200 bandwidth, this memory category enables faster data movement between processors and memory subsystems, supporting the accelerating core counts and memory channels of contemporary server CPUs.

This category focuses on ECC registered DDR5 SDRAM modules that emphasize signal integrity, workload reliability, and predictable latency under sustained loads. Registered DIMMs introduce a register between the memory controller and the DRAM chips, reducing electrical load and enabling higher capacities per channel. Within enterprise platforms, such design choices translate into improved system stability and enhanced memory scalability, especially in multi-socket server configurations.

DDR5 Technology Evolution in Server Memory

DDR5 SDRAM represents a significant advancement over DDR4, delivering increased bandwidth, improved power efficiency, and enhanced reliability features. Memory modules in this category leverage a dual 32-bit channel architecture per DIMM, allowing more efficient data handling and improved concurrency. With a base voltage of 1.2V, DDR5 registered modules reduce overall power consumption while maintaining high-frequency operation, a crucial consideration for energy-conscious data center environments.

The 6400MHz operating speed of PC5-51200 memory modules enables higher throughput per channel, which is particularly beneficial for workloads such as database analytics, in-memory computing, virtualization platforms, and artificial intelligence inference. This category is designed to support server processors that rely on high memory bandwidth to keep compute cores fully utilized, reducing latency bottlenecks and improving overall system responsiveness.

Error Correction and Data Integrity in ECC RDIMM Categories

Error Correcting Code functionality is a defining characteristic of enterprise memory categories. ECC RDIMM modules continuously monitor data integrity by detecting and correcting single-bit memory errors and identifying multi-bit errors. In mission-critical environments where data accuracy and uptime are non-negotiable, ECC memory significantly reduces the risk of data corruption, system crashes, and silent errors that can compromise application reliability.

The registered design further enhances signal stability by buffering command and address signals. This architecture enables systems to populate more memory modules per channel without degrading performance or stability. As server platforms scale to accommodate increasing memory footprints, ECC registered DDR5 modules remain a cornerstone of enterprise-grade reliability.

Registered DIMM Architecture and System Scalability

Registered DIMMs are purpose-built for scalable server environments where memory capacity and stability are paramount. By offloading electrical load from the memory controller, RDIMM modules enable higher-density configurations across multiple channels and sockets. This category supports enterprise servers that demand large memory pools for virtualization hosts, database servers, and software-defined infrastructure.

The use of a register chip allows consistent signal timing across populated DIMMs, which is critical when operating at high frequencies such as 6400MHz. Memory modules in this category are validated for compatibility with server chipsets and platforms that require strict adherence to JEDEC standards, ensuring predictable behavior under continuous operation.

High-Density 32GB DDR5 RDIMM Capacity Advantages

Memory modules in the 32GB capacity range provide an optimal balance between density, performance, and cost efficiency for enterprise deployments. This category is well-suited for systems that require substantial memory capacity without resorting to ultra-high-density modules, enabling flexible scaling strategies. When deployed across multiple channels, 32GB RDIMMs allow administrators to tailor memory configurations to specific workload requirements.

High-density DDR5 RDIMM modules support virtualization environments by enabling higher virtual machine density per host. Database servers benefit from expanded in-memory caches, reducing disk I/O and accelerating query execution. Application servers can handle more concurrent users and sessions without memory contention, improving overall quality of service.

1Rx4 Memory Organization and Performance Characteristics

The 1Rx4 memory organization used in this category refers to a single rank configuration with x4 DRAM devices. This layout enhances error correction capabilities and improves signal integrity, making it particularly suitable for enterprise-class ECC memory modules. The x4 device architecture provides more granular error detection and correction compared to x8 configurations, reinforcing data reliability.

Single-rank designs can also offer advantages in terms of latency and power efficiency, depending on platform architecture. In multi-channel server systems, 1Rx4 DDR5 RDIMMs contribute to balanced memory performance and predictable access patterns, supporting consistent throughput under mixed workloads.

Latency Considerations and CL42 Timing Profiles

CAS latency plays a crucial role in memory performance, particularly in latency-sensitive applications. Memory modules in this category operate with a CL42 timing profile at 6400MHz, reflecting the trade-offs inherent in high-frequency DDR5 operation. While higher frequencies introduce increased latency values, the overall performance benefit is realized through substantially higher bandwidth and improved parallelism.

For enterprise workloads that prioritize throughput and concurrency, such as virtualization clusters and analytics platforms, the CL42 timing profile is well-aligned with the demands of modern server CPUs. The increased data transfer rates help offset latency considerations, resulting in net performance gains across a wide range of applications.

Balancing Bandwidth and Latency in Server Deployments

Effective server memory design involves balancing bandwidth, latency, and capacity to match workload characteristics. High-frequency DDR5 RDIMM categories emphasize bandwidth to support multi-core processors with numerous simultaneous memory requests. In such environments, aggregate throughput often has a greater impact on performance than raw latency figures.

System architects can optimize memory configurations by populating channels evenly and leveraging the bandwidth advantages of PC5-51200 modules. This approach ensures that compute resources remain efficiently utilized, reducing idle cycles and enhancing overall system productivity.

Power Efficiency and Thermal Management

Power efficiency is a defining feature of DDR5 memory technology, and registered modules in this category are designed to operate at 1.2 volts while delivering high performance. Lower operating voltage contributes to reduced power consumption per module, which scales significantly across large memory footprints in data center environments.

DDR5 modules integrate on-die ECC and power management features that improve signal integrity and reduce noise. These enhancements allow stable operation at higher frequencies while maintaining manageable thermal profiles. Effective thermal behavior is essential for densely populated server systems, where airflow and cooling efficiency directly impact reliability and lifespan.

On-Module Power Management and Stability Enhancements

DDR5 RDIMM categories incorporate advanced power management integrated circuits that regulate voltage more precisely than previous generations. By relocating power regulation closer to the DRAM devices, these modules reduce voltage fluctuations and improve overall stability. This design contributes to consistent performance under variable workloads and sustained memory utilization.

Improved power delivery also supports higher memory frequencies without compromising reliability. For enterprise operators, this translates into predictable performance characteristics and reduced risk of memory-related instability during peak operational periods.

Thermal Characteristics in High-Density Server Memory Configurations

Thermal considerations are critical when deploying high-capacity memory configurations in rack-mounted servers. DDR5 RDIMM modules are engineered to dissipate heat efficiently, supporting continuous operation in demanding environments. Heat spreaders and optimized PCB layouts contribute to effective thermal transfer, reducing the likelihood of thermal throttling.

Proper airflow management and system-level cooling strategies complement the thermal design of these memory modules. Together, they ensure that servers maintain optimal operating temperatures, preserving memory performance and extending hardware longevity.

Compatibility with Modern Server Platforms and Chipsets

DDR5 ECC registered memory categories are validated for compatibility with leading server platforms that support DDR5 technology. These modules adhere to JEDEC standards, ensuring interoperability with compliant motherboards and processors. Compatibility validation is essential for enterprise deployments, where stability and predictability are critical selection criteria.

Server CPUs with multiple memory channels benefit significantly from high-frequency DDR5 RDIMMs. The increased bandwidth per channel allows systems to scale compute performance without encountering memory bottlenecks. This category is designed to support multi-socket configurations commonly found in enterprise and cloud data centers.

Workload Optimization with High-Bandwidth RDIMM RAM

High-bandwidth DDR5 RDIMM categories are optimized for workloads that demand rapid data access and sustained throughput. Virtualization platforms benefit from improved memory bandwidth, enabling higher consolidation ratios and smoother workload migration. Database applications leverage expanded memory bandwidth to accelerate transaction processing and analytics.

Artificial intelligence and machine learning workloads, particularly inference tasks, rely on fast memory access to feed compute engines efficiently. DDR5 RDIMM modules help reduce data starvation, ensuring that processors and accelerators operate at optimal efficiency.

Virtualization and Cloud Infrastructure Use Cases

In virtualized environments, memory performance directly impacts the responsiveness and density of virtual machines. DDR5 RDIMM memory categories provide the bandwidth and capacity necessary to support numerous concurrent workloads without contention. Enhanced ECC protection further ensures that memory errors do not propagate across virtualized instances.

Cloud infrastructure providers benefit from standardized memory configurations that deliver predictable performance across nodes. This consistency simplifies resource allocation, capacity planning, and service-level agreement management.

Enterprise Procurement and Standardization Benefits

Standardizing on a specific category of DDR5 RDIMM memory simplifies procurement and inventory management. Organizations can streamline purchasing processes, reduce spare part complexity, and ensure consistent performance across server fleets. This approach supports cost-effective scaling and operational efficiency.

By selecting memory modules that align with enterprise standards and platform requirements, organizations create a resilient foundation for current and future computing demands.