Hynix HMCG88MEBRA113N 32GB PC5-38400 DDR5 4800MHz SDRAM ECC RAM

HMCG88MEBRA113N Hynix 32GB PC5-38400 DDR5 4800MHz 2Rx8 ECC Memory Module Overview

The HMCG88MEBRA113N Hynix 32GB PC5-38400 DDR5 4800MHz 2Rx8 ECC Memory Module is an enterprise-grade memory solution designed to meet the rigorous demands of modern server, workstation, and high-performance computing environments. Engineered with advanced DDR5 technology, this module provides higher bandwidth, increased density, and superior power efficiency compared to previous DDR4 modules. Featuring ECC (Error-Correcting Code) functionality and a dual-rank RDIMM (Registered DIMM) design, it delivers unparalleled reliability, data integrity, and stability for mission-critical applications. Operating at a speed of 4800MHz with a peak bandwidth of PC5-38400, this memory module is ideal for virtualization, cloud computing, AI workloads, scientific computing, and data analytics where consistent performance and system uptime are essential.

Form Factor and Module Design

DDR5 Registered DIMM (RDIMM)

The HMCG88MEBRA113N is a DDR5 RDIMM module, meaning it contains a register that buffers memory signals between the memory controller and DRAM chips. This feature enhances signal integrity and reliability, particularly in systems with multiple DIMM slots populated. RDIMMs reduce electrical load on the memory controller, allowing stable operation in high-density, multi-module server configurations.

2Rx8 Dual-Rank Architecture

The dual-rank 2Rx8 configuration enables the memory controller to access two ranks independently, improving parallelism and memory throughput. This design allows servers to achieve higher effective bandwidth and low latency, which is critical for database, virtualization, and AI workloads.

ECC Functionality

ECC (Error-Correcting Code) automatically detects and corrects single-bit memory errors and identifies multi-bit errors. This capability is essential for enterprise systems where data integrity is crucial, such as financial transaction systems, healthcare applications, and cloud computing infrastructures. ECC reduces the risk of system crashes and data corruption, enhancing overall reliability.

Enterprise Benefits

• High reliability with dual-layer ECC protection
• Registered buffering for stable operation in high-density configurations
• Energy-efficient low voltage operation
• High bandwidth for data-intensive workloads
• Scalable for multi-socket server platforms

Memory Speed and Bandwidth

4800MHz High-Speed DDR5 Operation

Operating at 4800MHz, the HMCG88MEBRA113N offers a significant performance boost over DDR4 modules. The increased frequency allows for faster data access and improved system responsiveness, which benefits workloads such as virtualization, database processing, AI training, and analytics.

PC5-38400 Bandwidth

With a peak bandwidth of PC5-38400, this module can handle large volumes of sequential and random read/write operations efficiently. The high bandwidth supports data-intensive applications, ensuring smooth performance in multi-threaded and memory-heavy environments.

Latency and Command Optimization

DDR5 memory introduces improvements in bank-group architecture, command scheduling, and on-die ECC, which collectively reduce effective latency. The HMCG88MEBRA113N is optimized for applications where low-latency memory access is crucial, including high-performance computing, AI inference, and real-time analytics.

Capacity and Enterprise Scalability

32GB Memory Capacity

Each module provides 32GB of memory capacity, allowing enterprises to build high-density memory configurations for data-intensive applications. Multi-module installations can easily scale to terabyte-class memory configurations, supporting virtualization, HPC clusters, and in-memory databases.

Multi-Socket and Multi-Channel Scalability

The module is compatible with modern multi-socket server architectures and supports multi-channel memory configurations. This flexibility enables IT administrators to maximize memory bandwidth while maintaining system stability, even in high-density server deployments.

Enterprise Applications and Use Cases

High-Performance Computing (HPC)

HPC workloads, including scientific simulations, financial modeling, and engineering applications, demand high memory throughput and stability. With its 4800MHz speed, dual-rank architecture, and ECC protection, this module ensures reliable performance in multi-node computing clusters.

Database Acceleration

In-memory and relational databases benefit from high-speed DDR5 memory modules, which allow rapid query execution and improved transactional performance. ECC ensures data integrity and reduces the risk of memory-related errors, making this module ideal for financial systems, ERP applications, and analytics platforms.

Reliability and System Integrity

Registered Buffering for Stability

RDIMM modules include a register to buffer signals between the memory controller and DRAM chips. This design improves signal quality and allows the server to support multiple high-density DIMMs without compromising stability, essential for large-scale deployments.

Dual-Layer ECC Protection

ECC on the module, combined with on-die ECC at the chip level, provides dual-layer error correction. This ensures that both single-bit and multi-bit errors are detected and corrected, minimizing system crashes and preventing data corruption in mission-critical workloads.

Thermal Management Features

DDR5 modules incorporate on-die thermal sensors and improved heat dissipation mechanisms. The HMCG88MEBRA113N maintains safe operating temperatures even under heavy workloads, ensuring long-term reliability and consistent performance.

Power Efficiency and Advanced Features

Low Voltage Operation

The module operates at 1.1V typical voltage, significantly lower than DDR4 counterparts. This reduces power consumption, lowers heat output, and enables energy-efficient high-density memory configurations in enterprise servers and data centers.

On-Die ECC and Memory Management

DDR5 modules implement on-die ECC to internally correct memory errors, providing an additional layer of data protection. When combined with module-level ECC, this dual protection enhances system reliability for sensitive workloads.

Bank Group Architecture and Command Improvements

DDR5's improved command and address bus architecture, along with additional bank groups, enables greater memory parallelism. This increases effective bandwidth, reduces latency, and enhances performance for both sequential and random memory access patterns.

System Compatibility

Ensure servers and workstations support DDR5 RDIMM 4800MHz modules and ECC functionality. Check motherboard documentation for supported memory configurations, population rules, and channel balance requirements.

Firmware and BIOS Configuration

Update system BIOS and firmware to ensure full recognition of DDR5 memory, support for 4800MHz speed, and enable ECC functionality. Configuring proper voltage and timing settings can optimize memory performance in multi-module deployments.

Enterprise Applications and Use Cases

Cloud Computing

Supports high-density VM deployments, fast provisioning, and memory over commitment, making it ideal for private, public, and hybrid cloud infrastructures.

High-Performance Computing (HPC)

Ideal for scientific simulations, engineering computations, and modeling workloads requiring fast, reliable memory with high throughput.