HMCG88MEBRA102N Hynix 32GB PC5-38400 DDR5 4800MHz SDRAM 2RX8 ECC Registered Memory Module

Hynix 32GB DDR5 Registered ECC Memory

The Hynix HMCG88MEBRA102N is a high-performance 32GB DDR5 SDRAM module engineered for enterprise-grade servers and workstations. Designed with advanced error correction and registered signal processing, it ensures stability and reliability for demanding computing environments.

General Details

• Brand: Hynix
• Model Number: HMCG88MEBRA102N
• Device Category: 32GB DDR5 SDRAM Registered ECC Module

Technical Specifications

Memory Capacity & Technology

• Total Storage: 32GB
• Memory Type: DDR5 SDRAM
• Module Count: 1 x 32GB

Performance Attributes

• Bus Speed: 4800MT/s (DDR5-38400 / PC5-38400)
• Latency: CL40
• Rank Configuration: 2Rx8

Data Integrity & Signal Processing

• Error Correction: ECC (Error-Correcting Code)
• Signal Type: Registered (RDIMM)

Physical Characteristics

Form Factor

• Pin Count: 288-pin RDIMM

Dimensions & Weight

• Height: 1.00 inch
• Depth: 6.75 inches
• Weight: 0.20 lb

HMCG88MEBRA102N DDR5 SDRAM PC5-38400 Memory Overview

The Hynix HMCG88MEBRA102N 32GB PC5-38400 DDR5 4800MHz SDRAM 2RX8 ECC Registered Memory Module belongs to the latest generation of enterprise-class DDR5 registered DIMMs engineered for modern server and workstation platforms. This category of memory represents a significant evolution from previous DDR4 registered modules, introducing higher bandwidth, improved power efficiency, enhanced reliability, and expanded capacity scalability. Designed to support data-intensive workloads, DDR5 RDIMMs like this Hynix module are fundamental components in cloud infrastructure, virtualization environments, high-performance computing clusters, enterprise databases, and mission-critical applications where stability and throughput are non-negotiable.

DDR5 registered memory modules integrate advanced signaling and power management technologies that allow systems to operate at higher frequencies while maintaining signal integrity across densely populated memory channels. The HMCG88MEBRA102N operates at an effective data rate of 4800MHz, delivering PC5-38400 bandwidth that enables faster data movement between processors and memory subsystems. This increased bandwidth directly benefits applications that rely on large memory footprints and rapid access patterns, including in-memory analytics, machine learning workloads, virtualization hosts, and enterprise resource planning systems.

Transition from DDR4 to DDR5 in Enterprise Environments

The shift from DDR4 to DDR5 memory marks a generational leap in server memory architecture. DDR5 registered DIMMs introduce a doubled bank count, higher burst lengths, and on-DIMM power management, all of which contribute to improved efficiency and scalability. The Hynix HMCG88MEBRA102N exemplifies this advancement by offering enhanced data integrity, reduced latency under heavy loads, and better support for multi-core processors that demand high memory concurrency.

In enterprise servers, memory performance is closely tied to overall system efficiency. DDR5 RDIMMs allow modern CPUs to access memory more effectively, reducing bottlenecks that can limit throughput in data-heavy workloads. As organizations deploy processors with higher core counts and larger cache hierarchies, DDR5 memory becomes essential for maintaining balanced system performance. This category of memory is particularly relevant for next-generation server platforms that are optimized to take full advantage of DDR5 specifications.

32GB Capacity for Scalable Server Deployments

The 32GB capacity of the Hynix HMCG88MEBRA102N positions it as a versatile option for scalable memory configurations. In enterprise and data center environments, memory capacity planning is critical for supporting diverse workloads without overprovisioning. A 32GB DDR5 RDIMM allows system architects to populate servers with sufficient memory density while maintaining flexibility for future expansion.

This capacity tier is commonly used in balanced server configurations where performance, cost efficiency, and scalability must align. When deployed across multiple memory channels, 32GB modules enable servers to reach high total memory capacities while preserving optimal channel interleaving. This results in improved bandwidth utilization and consistent latency, which are essential for applications such as virtualization platforms hosting multiple virtual machines, containerized environments, and enterprise middleware systems.

Memory Density and Slot Optimization

Optimizing memory density per slot is a core consideration in modern server design. The use of 32GB DDR5 RDIMMs allows for efficient utilization of available DIMM slots, reducing the need for higher-capacity modules that may carry a premium cost. This approach supports incremental scaling, enabling organizations to expand memory as workload demands grow without replacing existing modules.

In high-density server chassis, efficient memory population strategies are essential for maintaining airflow and thermal balance. The Hynix HMCG88MEBRA102N aligns with standard RDIMM form factors, ensuring compatibility with enterprise server motherboards and facilitating straightforward installation and maintenance. This makes it suitable for both new deployments and memory upgrades in DDR5-capable systems.

PC5-38400 Bandwidth and 4800MHz 

The PC5-38400 designation reflects the theoretical peak bandwidth of this DDR5 memory module, which reaches 38.4GB/s per module. Operating at 4800MHz, the Hynix HMCG88MEBRA102N delivers a substantial increase in throughput compared to DDR4 predecessors. This enhanced bandwidth is particularly advantageous for workloads that involve large data transfers, frequent memory access, and high levels of parallel processing.

Modern server applications increasingly rely on memory bandwidth to sustain performance gains from multi-core processors. As CPU core counts rise, memory subsystems must scale accordingly to prevent contention and performance degradation. DDR5 memory addresses this challenge by offering higher data rates and improved channel efficiency, enabling servers to fully leverage their processing capabilities.

Impact on Data-Intensive Workloads

Data-intensive workloads such as real-time analytics, scientific simulations, and large-scale transaction processing systems benefit directly from increased memory bandwidth. The 4800MHz speed of the Hynix HMCG88MEBRA102N ensures that data can be accessed and processed with minimal delay, reducing execution times and improving overall system responsiveness.

In virtualized environments, higher memory bandwidth translates to better performance isolation between virtual machines. Each virtual instance can access memory resources more efficiently, resulting in smoother operation and reduced latency under peak loads. This makes DDR5 RDIMMs an essential component in modern virtualization and cloud computing infrastructures.

2RX8 Configuration and Signal Integrity

The 2RX8 configuration of the Hynix HMCG88MEBRA102N indicates a dual-rank memory layout with x8 DRAM chips. This configuration is widely used in enterprise RDIMMs due to its balance of performance, compatibility, and scalability. Dual-rank modules can improve memory interleaving, allowing memory controllers to access multiple ranks concurrently and enhancing overall throughput.

Signal integrity is a critical factor in high-speed memory operation. DDR5 RDIMMs incorporate advanced buffering and register technologies that reduce electrical load on the memory controller. The registered design of this module ensures stable operation at high frequencies, even when multiple DIMMs are installed per channel. This stability is essential for maintaining consistent performance in enterprise systems that operate continuously under heavy workloads.

Benefits of Registered DIMM Design

Registered DIMMs include a register between the DRAM chips and the memory controller, which buffers command and address signals. This design improves scalability by allowing more memory modules to be installed without compromising signal quality. The Hynix HMCG88MEBRA102N leverages this architecture to support high-capacity memory configurations in multi-socket servers.

In mission-critical environments, system stability is paramount. Registered memory modules reduce the risk of signal degradation and timing issues, contributing to reliable long-term operation. This makes DDR5 RDIMMs the preferred choice for enterprise servers, where uptime and data integrity are essential.

ECC Error Correction for Data Integrity

Error Correcting Code functionality is a defining feature of enterprise memory modules. The Hynix HMCG88MEBRA102N incorporates ECC technology that detects and corrects single-bit memory errors while identifying multi-bit errors. This capability is crucial for preventing data corruption and system crashes in environments where large volumes of data are processed and stored.

ECC memory is essential for applications such as financial systems, healthcare databases, scientific research platforms, and enterprise storage solutions. In these contexts, even minor data errors can have significant consequences. The inclusion of ECC ensures that memory-related errors are managed transparently, maintaining system reliability and data accuracy.

DDR5 Power Management and Efficiency

One of the defining innovations of DDR5 memory is the integration of on-DIMM power management. Unlike previous generations where power regulation was handled primarily by the motherboard, DDR5 RDIMMs include a power management integrated circuit that regulates voltage locally. This design improves power efficiency and reduces electrical noise, enabling higher operating frequencies and improved stability.

The Hynix HMCG88MEBRA102N benefits from this architecture by operating at lower voltages while delivering higher performance. Reduced power consumption contributes to lower thermal output, which is critical in dense server environments where cooling efficiency directly impacts operational costs.

Thermal Management in Data Centers

Thermal management is a major consideration in modern data centers. High-performance memory modules must balance speed and efficiency to minimize heat generation. DDR5 RDIMMs are designed with these requirements in mind, offering improved performance per watt compared to DDR4. The Hynix module supports efficient cooling strategies, helping data centers maintain optimal operating conditions.

Lower power consumption also supports sustainability initiatives by reducing overall energy usage. As organizations strive to improve the environmental impact of their IT infrastructure, DDR5 memory plays a role in achieving more energy-efficient computing platforms.

Compatibility with Next-Generation Server Platforms

The Hynix HMCG88MEBRA102N is engineered for compatibility with DDR5-enabled server platforms from leading CPU manufacturers. As server architectures evolve, memory modules must align with new standards for signaling, power delivery, and capacity support. This DDR5 RDIMM meets JEDEC specifications, ensuring interoperability with a wide range of enterprise motherboards and processors.

Compatibility extends beyond basic electrical standards to include firmware support and system validation. Enterprise memory modules undergo extensive testing to ensure reliable operation across supported platforms. This makes them suitable for deployment in certified server configurations where compatibility and stability are critical.