HMCGM4MEBRB234N Hynix 96GB DDR5 4800MHz PC5-38400 ECC RDIMM Ram

Highlights of Hynix HMCGM4MEBRB234N 96GB DDR5 4800MHz

The Hynix HMCGM4MEBRB234N 96GB DDR5 memory module is built for enterprise servers that require high density, stability, and dependable performance. Powered by next-generation DDR5 SDRAM, this ECC registered RDIMM delivers efficient bandwidth and data integrity for modern workloads.

General Information

• Manufacturer: SK Hynix
• Part Number: HMCGM4MEBRB234N
• Product Type: Server Memory Module
• Memory Interface: DDR5 4800MHz SDRAM

Technical Specifications

• Total Capacity: 96GB
• Module Configuration: 1 x 96GB
• Rank Layout: 2Rx4
• Bus Speed: 4800MHz
• Memory Standard: DDR5-4800 / PC5-38400
• CAS Latency: CL40

Reliability and Data Protection

• Error Correction Code (ECC): Supported
• Signal Processing: Registered (RDIMM)
• Enhanced data accuracy and reduced system downtime

Physical Characteristics

• Form Factor: 288-Pin RDIMM
• Shipping Dimensions: 1.00 in (H) × 6.75 in (D)
• Shipping Weight: 0.20 lb

Key Features and Benefits

• Large 96GB capacity for enterprise-scale workloads
• DDR5-4800MHz speed for efficient data handling
• PC5-38400 bandwidth standard
• ECC support for improved data integrity
• Registered RDIMM design for server reliability
• 2Rx4 configuration for balanced performance

Server Compatibility

• PowerEdge R660
• PowerEdge R760
• PowerEdge R960
• PowerEdge R760xd

Overview of Hynix HMCGM4MEBRB234N DDR5 PC5-38400 Ram

The Hynix HMCGM4MEBRB234N 96GB DDR5 4800MHz PC5-38400 2Rx4 ECC 288-Pin RDIMM Memory Module belongs to the enterprise-grade DDR5 registered DIMM memory category engineered for high-capacity, reliability-focused, and performance-balanced server environments. This category is designed to meet the demands of modern data centers, enterprise infrastructure, cloud computing platforms, and professional workloads that require consistent memory behavior, strong data integrity, and scalable capacity growth. DDR5 RDIMM ECC memory modules represent a foundational building block for next-generation server architectures.

Strategic Importance of Registered ECC Memory in Servers

Registered DIMMs play a critical role in enterprise systems by enabling stable operation in configurations with multiple memory modules per channel. The Hynix HMCGM4MEBRB234N category uses a register to buffer address and command signals, reducing electrical load on the memory controller and improving signal integrity. This approach allows servers to support higher total memory capacities without sacrificing stability, making RDIMM memory essential for large-scale virtualization, database platforms, and mission-critical enterprise workloads.

Position Within Enterprise Memory Ecosystems

Within the broader enterprise memory ecosystem, this category is positioned as a high-density, balanced-performance solution. While higher-frequency DDR5 modules exist, DDR5-4800MHz RDIMM memory prioritizes compatibility, efficiency, and reliability, making it well suited for general-purpose enterprise servers and cloud infrastructure. This positioning ensures broad platform support and predictable behavior across diverse workloads.

DDR5 Memory Architecture and Generational Advancements

DDR5 memory introduces significant architectural enhancements over DDR4, enabling higher efficiency and scalability. The Hynix HMCGM4MEBRB234N category leverages these improvements to deliver enterprise-ready memory performance with enhanced reliability. Key DDR5 innovations include increased bank groups, higher burst lengths, and improved command efficiency. These changes allow memory controllers to manage data transfers more effectively, reducing bottlenecks and improving overall system throughput.

Dual Independent Sub-Channel Design Benefits

Each DDR5 DIMM is internally divided into two independent sub-channels, enabling parallel memory operations within a single module. The Hynix HMCGM4MEBRB234N category benefits from this design by improving concurrency and reducing access contention. This architectural shift enhances effective bandwidth utilization, particularly in multi-core processors where numerous memory requests occur simultaneously.

Signal Integrity Enhancements at DDR5 Frequencies

Maintaining stable operation at DDR5 frequencies requires careful attention to signal integrity. The HMCGM4MEBRB234N category is engineered with optimized PCB layouts, controlled impedance routing, and strict manufacturing tolerances to ensure reliable signaling. These design considerations support continuous enterprise workloads where systems operate under sustained load.

DDR5-4800MHz Performance and Bandwidth Characteristics

The DDR5-4800MHz operating speed of the Hynix HMCGM4MEBRB234N category delivers a PC5-38400 bandwidth rating, providing up to 38.4GB/s of theoretical peak bandwidth per module. This represents a substantial improvement over previous DDR4 memory generations and supports modern processor data requirements. Memory bandwidth is critical for maintaining CPU utilization and preventing performance stalls. By delivering consistent bandwidth, this category ensures that compute resources are efficiently utilized across a wide range of enterprise applications.

Scalable Bandwidth in Multi-Channel Server Designs

Enterprise processors typically support multiple memory channels, allowing total system bandwidth to scale with the number of installed modules. The HMCGM4MEBRB234N category is designed to perform reliably in fully populated channel configurations, ensuring balanced bandwidth distribution. This scalability is essential for workloads such as virtualization, analytics, scientific computing, and enterprise resource planning systems.

Balanced Performance for Enterprise Workloads

DDR5-4800MHz memory provides a balance between performance, power efficiency, and compatibility. The HMCGM4MEBRB234N category is optimized for environments where predictable performance and long-term stability are more important than peak frequency alone. This balance makes the category suitable for a broad range of enterprise and cloud deployments.

96GB High-Capacity Memory and Density Advantages

The 96GB capacity of the Hynix HMCGM4MEBRB234N category delivers high memory density within a single RDIMM, enabling servers to scale total memory capacity efficiently. High-capacity modules reduce the number of DIMMs required to achieve target memory configurations, simplifying system design and management. By using fewer physical modules, organizations can improve airflow, reduce power consumption per gigabyte, and minimize potential points of failure within the memory subsystem.

Cloud Platform Benefits

Virtualized environments rely heavily on system memory to host multiple virtual machines and containers. The HMCGM4MEBRB234N category provides ample memory capacity to support high consolidation ratios without compromising performance. This capability enables organizations to maximize hardware utilization and reduce infrastructure costs while maintaining workload isolation.

In-Memory Databases and Large Data Sets

In-memory databases and analytics platforms benefit significantly from large memory capacities that allow datasets to remain resident in RAM. The 96GB capacity of this DDR5 RDIMM ECC category supports such use cases, reducing reliance on slower storage tiers. This results in faster query execution, lower latency, and improved application responsiveness.

2Rx4 Memory Organization and Enterprise

The 2Rx4 configuration of the Hynix HMCGM4MEBRB234N category indicates a dual-rank memory module built with x4 DRAM devices. This organization is widely adopted in enterprise environments due to its balance of performance, reliability, and compatibility. Dual-rank memory allows the controller to interleave access between ranks, improving throughput and effective utilization of the memory bus.

x4 DRAM Devices and Enhanced ECC

x4 DRAM devices are preferred for enterprise ECC memory because they provide stronger error detection and correction capabilities. The HMCGM4MEBRB234N category leverages x4 devices to ensure robust ECC operation and high data integrity. This design supports mission-critical systems where data accuracy and stability are paramount.

Server Memory Controllers

Enterprise server processors are designed to work optimally with 2Rx4 RDIMM configurations. The Hynix HMCGM4MEBRB234N category aligns with these requirements, ensuring broad compatibility and stable operation across supported platforms. This compatibility simplifies deployment and reduces the risk of configuration issues.

ECC Functionality and Data Protection Mechanisms

Error-correcting code functionality is a core requirement for enterprise memory solutions. The Hynix HMCGM4MEBRB234N category includes full ECC support, enabling the detection and correction of single-bit errors and detection of multi-bit errors during memory operations. ECC memory protects systems from silent data corruption caused by electrical interference, cosmic radiation, or component aging, ensuring data reliability over extended operational periods.

Importance of ECC in Always-On Infrastructure

Enterprise servers often operate continuously, handling critical workloads without interruption. Over time, memory errors can occur if not corrected. ECC functionality in the HMCGM4MEBRB234N category mitigates these risks, supporting long-term system stability.

This reliability is essential for financial services, healthcare systems, government infrastructure, and large-scale enterprise applications.

Integration With Platform Reliability and Monitoring

ECC memory integrates with processor and platform reliability, availability, and serviceability features to report errors and monitor memory health. The Hynix HMCGM4MEBRB234N category supports these mechanisms, enabling proactive maintenance and system management. This integration enhances infrastructure resilience and reduces unplanned downtime.

Thermal Design Considerations

DDR5 memory introduces on-module power management to improve efficiency and stability. The Hynix HMCGM4MEBRB234N category incorporates this architecture to deliver consistent performance while managing power consumption effectively. Efficient power delivery and thermal management are essential for maintaining reliability in dense server environments.

On-Module Voltage Regulation Advantages

By integrating voltage regulation directly on the memory module, DDR5 improves power delivery accuracy and reduces electrical noise. The HMCGM4MEBRB234N category benefits from this design, supporting stable operation at DDR5-4800MHz. This approach also simplifies motherboard power design and enhances overall system efficiency.

Thermal Stability in High-Density Server Deployments

High-capacity memory modules contribute to increased thermal density within server chassis. The Hynix HMCGM4MEBRB234N category is designed to operate within enterprise thermal envelopes, maintaining performance without excessive heat generation. This thermal stability supports reliable operation in data centers with constrained cooling resources.

Hynix Manufacturing Quality and Enterprise Validation

Hynix is a globally recognized leader in DRAM manufacturing, supplying memory solutions to enterprise, cloud, and high-performance computing markets. The HMCGM4MEBRB234N category reflects this expertise through rigorous design, testing, and quality assurance processes. Each memory module undergoes extensive validation to ensure compliance with enterprise standards for performance, reliability, and compatibility.

Platform Qualification

Enterprise memory modules are qualified on a wide range of server platforms to ensure interoperability. The Hynix HMCGM4MEBRB234N category is designed to meet these requirements, enabling consistent behavior across supported systems. Long-term availability and controlled lifecycle management make this category suitable for enterprise deployments that require configuration stability over multiple years.

Scalable Foundation for Future Enterprise Memory Growth

As enterprise workloads continue to grow in complexity and scale, memory subsystems must evolve accordingly. The high capacity, DDR5 architecture, and robust ECC features of the Hynix HMCGM4MEBRB234N category provide a scalable foundation for next-generation enterprise computing. This category enables organizations to build reliable, high-capacity, and future-ready platforms capable of supporting evolving business and technology demands.