HMCGM4MEBRB235N Hynix 96GB DDR5 4800MHz PC5-38400 SDRAM ECC Ram

Highlights of Hynix HMCGM4MEBRB235N 96GB PC5-38400 Ram

The Hynix HMCGM4MEBRB235N 96GB DDR5 memory module is engineered for enterprise and data-center servers that demand high capacity, stability, and dependable throughput. Utilizing advanced DDR5 SDRAM technology, this ECC registered RDIMM ensures reliable performance for mission-critical workloads.

General Information

• Manufacturer: SK Hynix
• Part Number: HMCGM4MEBRB235N
• Product Type: Server Memory Module
• Sub Type: DDR5 4800MHz SDRAM

Technical Specifications

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

Data Integrity and Reliability

• Error Correction Code (ECC): Supported
• Signal Processing: Registered (RDIMM)
• Enhanced system stability and reduced risk of data errors

Physical Characteristics

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

Server Compatibility

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

Overview of Hynix HMCGM4MEBRB235N DDR5 4800MHz Memory

The Hynix HMCGM4MEBRB235N 96GB DDR5 4800MHz PC5-38400 2Rx4 288-Pin RDIMM ECC SDRAM Memory Module belongs to the enterprise DDR5 registered memory category designed for high-capacity, reliability-focused, and scalability-driven server platforms. This category addresses the growing demands of modern data centers, cloud infrastructure, enterprise virtualization environments, and mission-critical computing workloads that require consistent memory behavior, strong data integrity, and long-term operational stability.

Role of Registered ECC Memory in Enterprise Servers

Registered DIMM memory is fundamental to enterprise systems because it enables stable operation in high-density memory configurations. The Hynix HMCGM4MEBRB235N category utilizes a register that buffers command and address signals between the memory controller and DRAM devices, significantly reducing electrical load. This design allows servers to populate more DIMMs per memory channel while maintaining signal integrity and timing stability, which is essential for large-memory systems used in virtualization, databases, analytics platforms, and enterprise applications that operate continuously.

Placement Within Enterprise Memory Ecosystems

Within the broader enterprise memory landscape, this category is positioned as a high-density, balanced-performance DDR5 solution. DDR5-4800MHz RDIMM memory emphasizes compatibility, power efficiency, and reliability rather than extreme frequency, making it ideal for general-purpose enterprise servers and cloud infrastructure. This positioning ensures broad platform support, predictable performance characteristics, and ease of deployment across diverse server environments.

DDR5 SDRAM Architecture and Technological Advancements

DDR5 SDRAM introduces substantial architectural improvements over DDR4, enabling better efficiency, scalability, and reliability. The Hynix HMCGM4MEBRB235N category leverages these advancements to deliver enterprise-grade performance with enhanced data protection and operational consistency. Key DDR5 innovations include increased bank groups, higher burst lengths, improved command scheduling, and more efficient data transfer mechanisms. These enhancements reduce memory access bottlenecks and improve overall system throughput in data-intensive workloads.

Dual Independent Sub-Channel Design

One of the most significant architectural changes in DDR5 is the division of each DIMM into two independent sub-channels. The Hynix HMCGM4MEBRB235N category benefits from this design by allowing concurrent memory operations within a single module. This sub-channel architecture improves parallelism and reduces contention, particularly in multi-core processors where simultaneous memory requests are common.

Signal Integrity and Reliability at DDR5 Frequencies

Operating at DDR5-4800MHz requires careful management of signal integrity. The HMCGM4MEBRB235N category is engineered with optimized PCB layouts, controlled impedance routing, and strict manufacturing tolerances to maintain reliable signaling under sustained load. These design considerations ensure stable performance in enterprise environments where systems run continuously.

DDR5 4800MHz Performance and Bandwidth Characteristics

The DDR5 4800MHz operating speed of the Hynix HMCGM4MEBRB235N category delivers a PC5-38400 bandwidth rating, providing up to 38.4GB/s of theoretical peak bandwidth per module. This level of bandwidth supports modern processors that require fast and consistent memory access to maintain high utilization. Higher memory bandwidth helps reduce CPU idle time, improves application responsiveness, and supports data-intensive workloads that involve frequent memory transactions.

Memory Bandwidth Scaling in Multi-Channel Systems

Enterprise server processors typically feature multiple memory channels per socket, allowing total system bandwidth to scale as more DIMMs are installed. The Hynix HMCGM4MEBRB235N category is optimized for balanced multi-channel configurations, ensuring consistent performance across all channels. This scalability is essential for virtualization hosts, analytics engines, scientific simulations, and enterprise transaction processing systems.

Balanced Performance for Diverse Enterprise Workloads

DDR5-4800MHz memory provides a balance between throughput, power efficiency, and compatibility. The HMCGM4MEBRB235N category is particularly suitable for mixed enterprise workloads that require reliable performance across many applications rather than peak bandwidth alone. This balance supports stable operations in general-purpose servers and large-scale cloud deployments.

96GB High-Capacity Memory and Density Advantages

The 96GB capacity of the Hynix HMCGM4MEBRB235N category offers significant memory density within a single RDIMM. High-capacity modules allow servers to achieve large total memory configurations using fewer DIMM slots, simplifying system design and management. By reducing the number of physical memory modules required, organizations can improve airflow, reduce power consumption per gigabyte, and lower the overall complexity of memory subsystems.

Benefits for Cloud Consolidation

Virtualized and cloud environments depend heavily on system memory to support multiple virtual machines and containers concurrently. The HMCGM4MEBRB235N category provides ample capacity to enable high consolidation ratios while maintaining performance isolation. This capability allows organizations to maximize server utilization, reduce hardware footprint, and lower operational costs.

In-Memory Applications and Large Datasets

In-memory databases, caching layers, and analytics platforms benefit from large memory capacities that allow datasets to remain resident in RAM. The 96GB capacity of this DDR5 RDIMM ECC category supports such architectures, minimizing reliance on slower storage tiers. This results in faster data access, reduced latency, and improved application responsiveness.

2Rx4 Memory Organization and Enterprise

The 2Rx4 configuration of the Hynix HMCGM4MEBRB235N category indicates a dual-rank memory module constructed using x4 DRAM devices. This organization is widely adopted in enterprise environments due to its balance of performance, reliability, and compatibility. Dual-rank modules allow the memory controller to interleave access between ranks, improving effective throughput and utilization of the memory interface.

x4 DRAM Devices and ECC

x4 DRAM devices are preferred for enterprise ECC memory because they enable stronger error detection and correction capabilities compared to x8 devices. The HMCGM4MEBRB235N category leverages x4 devices to enhance ECC effectiveness and maintain high data integrity. This design is critical for mission-critical systems where data corruption cannot be tolerated.

Enterprise Memory Controllers

Enterprise server processors are optimized for 2Rx4 RDIMM configurations. The Hynix HMCGM4MEBRB235N category aligns with these specifications, ensuring broad compatibility and stable operation across supported platforms. This compatibility simplifies qualification and deployment in enterprise data centers.

ECC SDRAM Functionality and Data Integrity Protection

Error-correcting code SDRAM functionality is a core requirement for enterprise memory solutions. The Hynix HMCGM4MEBRB235N category includes full ECC support, enabling 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 noise, environmental factors, or component aging, ensuring data reliability over extended operational lifecycles.

Importance of ECC in Always-On Systems

Enterprise servers often operate continuously without interruption. Over time, uncorrected memory errors can accumulate and compromise system stability. ECC functionality in the HMCGM4MEBRB235N category mitigates these risks, supporting uninterrupted operation. This reliability is essential for financial systems, healthcare platforms, telecommunications infrastructure, and enterprise databases.

Integration With Platform Monitoring and RAS Features

ECC memory integrates with processor and platform reliability, availability, and serviceability features to report errors and monitor memory health. The Hynix HMCGM4MEBRB235N category supports these mechanisms, enabling proactive system management. This integration enhances infrastructure resilience and reduces the likelihood of unplanned downtime.

Thermal Design Considerations

DDR5 memory introduces on-module power management to improve efficiency and stability. The Hynix HMCGM4MEBRB235N category incorporates this design to deliver consistent performance while optimizing power consumption. Efficient power and thermal management are essential for maintaining reliability in dense server environments where cooling and energy costs are critical factors.

On-Module Voltage Regulation Benefits

On-module voltage regulation improves power delivery accuracy and reduces electrical noise. The HMCGM4MEBRB235N category benefits from this DDR5 architecture, supporting stable operation at 4800MHz. This design also simplifies motherboard power distribution and enhances overall system efficiency.

Thermal Stability in High-Density Server Deployments

High-capacity memory modules increase thermal density within server chassis. The Hynix HMCGM4MEBRB235N category is engineered to operate within enterprise thermal envelopes, maintaining performance without excessive heat output. This thermal stability supports reliable operation in data centers with constrained cooling resources.

Hynix Manufacturing Expertise and Enterprise Validation

Hynix is a globally recognized leader in DRAM manufacturing, supplying memory solutions for enterprise, cloud, and high-performance computing markets. The HMCGM4MEBRB235N category reflects this expertise through rigorous design, validation, and quality assurance processes. Each module is manufactured to meet strict enterprise standards for performance consistency, reliability, and compatibility.

Platform Qualification

Enterprise memory modules undergo extensive qualification across a wide range of server platforms. The Hynix HMCGM4MEBRB235N category is designed to meet these requirements, ensuring 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 scale and complexity, memory subsystems must evolve to meet increasing demands. The high capacity, DDR5 architecture, and robust ECC features of the Hynix HMCGM4MEBRB235N 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 requirements.