HMCGM4MEBRB238N Hynix 96GB DDR5 4800MT/s PC5-38400 SDRAM RDIMM Ram

Highlights of Hynix HMCGM4MEBRB238N 96GB DDR5 4800MT/s

The Hynix HMCGM4MEBRB238N 96GB DDR5 memory module is designed to meet the demands of modern enterprise servers and data centers. Built on advanced DDR5 SDRAM architecture, this ECC registered RDIMM delivers reliable bandwidth, improved efficiency, and long-term stability for critical workloads.

General Information

• Manufacturer: SK Hynix
• Part Number: HMCGM4MEBRB238N
• Product Type: Server Memory Module
• Memory Interface: DDR5 SDRAM

Technical Specifications

• Total Capacity: 96GB
• Module Configuration: 1 × 96GB
• Rank Layout: 2Rx4

Speed and Performance Specifications

• Bus Speed: 4800MT/s
• Memory Standard: DDR5-4800 / PC5-38400
• CAS Latency: CL40

Reliability and Data Integrity

• Error Correction Code (ECC): Supported
• Signal Processing: Registered (RDIMM)
• Improved system uptime and reduced data corruption

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 Advantages

• High-capacity 96GB DDR5 memory module
• DDR5-4800MT/s speed for balanced performance
• PC5-38400 standard for enterprise workloads
• ECC protection for enhanced data accuracy
• Registered RDIMM for server-grade reliability
• 2Rx4 architecture for efficient memory access

Server Compatibility

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

Highlights of Hynix HMCGM4MEBRB238N DDR5 PC5-38400 Ram

The Hynix HMCGM4MEBRB238N 96GB DDR5 4800MT/s PC5-38400 SDRAM 288-Pin RDIMM 2Rx4 ECC Memory Module is part of the enterprise-grade DDR5 registered memory category, specifically engineered for high-capacity, reliability-focused, and performance-balanced server environments. This category addresses the needs of modern data centers, cloud service providers, virtualization platforms, enterprise databases, analytics engines, and mission-critical business applications where memory integrity, scalability, and predictable behavior are mandatory. DDR5 RDIMM ECC memory modules represent a significant generational leap from DDR4, delivering architectural enhancements that support higher densities, improved bandwidth efficiency, and advanced power management.

Registered Memory Role in Enterprise-Class Systems

Registered DIMM memory is foundational to enterprise computing because it enables stable operation in systems populated with large amounts of memory. The register component buffers command and address signals between the memory controller and DRAM devices, significantly reducing electrical load on the controller. The Hynix HMCGM4MEBRB238N category leverages this design to support dense memory configurations without compromising reliability. This buffering mechanism allows enterprise servers to populate more DIMMs per channel and achieve higher total memory capacities, which is essential for virtualization, large-scale databases, and in-memory workloads that require extensive RAM resources.

Positioning Within the DDR5 Server Memory Ecosystem

Within the broader DDR5 ecosystem, this category occupies a balanced position focused on compatibility, reliability, and efficiency rather than extreme clock speeds. DDR5-4800MT/s RDIMM modules like the HMCGM4MEBRB238N are widely supported across multiple server platforms, making them suitable for standardized enterprise deployments and mixed-workload environments. This positioning ensures predictable performance characteristics, simplified qualification processes, and long-term deployment stability.

DDR5 SDRAM Architectural Evolution and Advantages

DDR5 SDRAM introduces multiple architectural enhancements that significantly improve memory subsystem efficiency. The Hynix HMCGM4MEBRB238N category takes full advantage of these improvements, delivering better data throughput, reduced latency bottlenecks, and enhanced reliability compared to previous generations. Key DDR5 advancements include increased bank counts, improved command scheduling, larger burst lengths, and optimized refresh operations. These features collectively enhance parallelism and reduce contention, which is critical in multi-core server processors handling simultaneous memory requests.

Dual Independent Sub-Channel Architecture

One of the defining characteristics of DDR5 is the division of each DIMM into two independent 32-bit sub-channels. The HMCGM4MEBRB238N category benefits from this architecture by enabling more efficient handling of concurrent memory transactions within a single module. This design improves utilization of the memory interface and reduces access latency under multi-threaded workloads, which are common in enterprise environments.

Signal Integrity and Timing Precision at DDR5-4800

Maintaining signal integrity at DDR5 speeds requires precise engineering. The Hynix HMCGM4MEBRB238N category is manufactured using high-quality PCB materials, optimized trace layouts, and strict impedance control to ensure reliable data transmission at 4800MT/s. These design choices support stable long-term operation in servers that run continuously under sustained load.

DDR5 4800MT/s Performance Profile and PC5-38400 Bandwidth

The DDR5 4800MT/s operating speed of the Hynix HMCGM4MEBRB238N category corresponds to a PC5-38400 bandwidth rating, offering up to 38.4GB/s of theoretical peak bandwidth per module. This bandwidth level is well-suited for enterprise workloads that demand consistent memory throughput without excessive power consumption. Higher bandwidth helps processors maintain high utilization by reducing wait times for data, which improves application responsiveness and overall system efficiency.

Scalable Bandwidth in Multi-Channel Server Architectures

Modern server CPUs support multiple memory channels, allowing total system bandwidth to scale as additional DIMMs are installed. The HMCGM4MEBRB238N category is optimized for balanced channel population, ensuring uniform performance across all channels. This scalability is particularly beneficial for analytics platforms, virtualization hosts, and enterprise transaction processing systems that rely on parallel memory access.

Balanced Throughput for Mixed Enterprise Workloads

DDR5-4800MT/s memory provides a balanced approach to performance and efficiency. The Hynix HMCGM4MEBRB238N category supports diverse enterprise workloads, from general-purpose computing to moderately intensive data processing, without the thermal and power overhead associated with higher-frequency modules. This balance makes it a practical choice for organizations seeking reliable performance across a wide range of applications.

96GB High-Density Memory Capacity Benefits

The 96GB capacity of the Hynix HMCGM4MEBRB238N category enables servers to achieve very high total memory capacities using fewer DIMM slots. High-density memory modules are increasingly important as workloads grow in complexity and memory demands increase. By reducing the number of physical modules required, organizations can simplify system configurations, improve airflow, and reduce per-gigabyte power consumption.

Advantages for Cloud Platforms

Virtualized environments depend heavily on available memory to support multiple virtual machines and containers simultaneously. The HMCGM4MEBRB238N category provides sufficient capacity to support high consolidation ratios while maintaining performance isolation between workloads. This capability allows cloud service providers and enterprises to maximize server utilization and reduce infrastructure costs.

In-Memory Databases and Analytics

In-memory databases and real-time 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 enables faster data access and reduced reliance on secondary storage. This results in lower latency, improved query performance, and enhanced user experience for data-driven applications.

2Rx4 Memory Organization and Enterprise Compatibility

The 2Rx4 configuration of the Hynix HMCGM4MEBRB238N category indicates a dual-rank module built using x4 DRAM devices. This organization is preferred in enterprise environments due to its balance of performance, reliability, and ECC effectiveness. Dual-rank modules allow memory controllers to interleave access between ranks, improving throughput and reducing idle cycles.

x4 DRAM Devices and Enhanced Error Correction

x4 DRAM devices enable stronger error correction capabilities when paired with ECC logic. The HMCGM4MEBRB238N category leverages this advantage to provide robust protection against single-bit errors and detection of multi-bit faults. This level of protection is critical for enterprise systems that handle sensitive data and operate continuously.

Alignment With Server Memory Controller Specifications

Enterprise processors from major vendors are optimized for 2Rx4 RDIMM configurations. The Hynix HMCGM4MEBRB238N category aligns with these specifications, ensuring compatibility and stable operation across supported server platforms. This alignment simplifies deployment and reduces the risk of configuration issues.

ECC SDRAM Reliability and Data Integrity Assurance

Error-correcting code SDRAM is a fundamental requirement for enterprise memory solutions. The Hynix HMCGM4MEBRB238N category includes full ECC functionality, allowing the system to detect and correct single-bit memory errors and identify more severe faults. ECC protection safeguards systems against silent data corruption caused by electrical noise, cosmic radiation, or component aging.

Importance of ECC in Mission-Critical Environments

In always-on enterprise systems, even minor memory errors can lead to data corruption, application crashes, or system instability over time. The ECC features of the HMCGM4MEBRB238N category mitigate these risks and support uninterrupted operation. This reliability is essential for financial services, healthcare systems, telecommunications infrastructure, and enterprise databases.

Integration With RAS and Monitoring Technologies

ECC memory works in conjunction with platform reliability, availability, and serviceability features to report errors and monitor memory health. The Hynix HMCGM4MEBRB238N category supports these mechanisms, enabling proactive maintenance and issue resolution. This integration reduces downtime and enhances overall system resilience.

Thermal Management in DDR5 RDIMM

DDR5 memory introduces on-module power management to improve efficiency and stability. The Hynix HMCGM4MEBRB238N category incorporates this design to deliver consistent performance while optimizing power consumption. Efficient power usage is increasingly important in dense data center environments where energy costs and thermal constraints are critical considerations.

On-Module Voltage Regulation Advantages

On-module voltage regulation improves power delivery accuracy and reduces noise, supporting stable operation at DDR5-4800MT/s. The HMCGM4MEBRB238N category benefits from this architecture, contributing to improved reliability and efficiency. This design also simplifies motherboard power delivery and enhances overall platform stability.

Thermal Stability in High-Capacity Deployments

High-density memory modules increase thermal load within server chassis. The Hynix HMCGM4MEBRB238N category is engineered to operate within enterprise thermal envelopes, ensuring reliable performance without excessive heat generation.

This thermal stability supports consistent 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 HMCGM4MEBRB238N category reflects Hynix’s commitment to quality, consistency, and long-term reliability. Each module undergoes rigorous testing and validation to ensure it meets enterprise standards for performance and durability.

Platform Qualification

Enterprise memory modules must be qualified across a wide range of server platforms. The Hynix HMCGM4MEBRB238N category is designed to meet these requirements, ensuring consistent behavior and compatibility. Long-term lifecycle support ensures configuration stability for organizations that require predictable hardware availability.

Scalable Foundation for Future Enterprise Workloads

As enterprise workloads continue to evolve, memory subsystems must scale accordingly. The high capacity, DDR5 architecture, and robust ECC features of the Hynix HMCGM4MEBRB238N category provide a strong foundation for future growth. This category enables organizations to build reliable, high-capacity, and future-ready server platforms capable of supporting expanding business and technology demands.