SK-Hynix HMCG88BHBRA289N 32 GB PC5-51200 2Rx8 6400MHz DDR5 RDIMM RAM

HMCG88BHBRA289N SK Hynix 32GB PC5-51200 DDR5 RDIMM 6400MHz 2Rx8 ECC Memory Module Overview

The HMCG88BHBRA289N SK-Hynix 32GB PC5-51200 DDR5 RDIMM 6400MHz 2Rx8 ECC Memory Module represents the next-generation solution for enterprise and high-performance computing systems. Engineered with advanced DDR5 technology, this module delivers higher bandwidth, increased memory density, and improved power efficiency compared to DDR4 modules. Designed for server and workstation environments, it provides Error-Correcting Code (ECC) functionality and a Registered DIMM (RDIMM) design, ensuring system stability, data integrity, and reliability in mission-critical applications. The 6400MHz speed and dual-rank configuration make this module ideal for modern data centers, cloud computing platforms, virtualization infrastructures, and demanding scientific or AI workloads.

Form Factor and Compatibility

DDR5 RDIMM Design

As a DDR5 RDIMM, the HMCG88BHBRA289N provides registered buffering to improve signal integrity and reliability across multi-module configurations. This design ensures consistent performance in high-density server setups while enabling support for large memory capacities in a single system.

2Rx8 Dual-Rank Configuration

The 2Rx8 dual-rank architecture allows the memory controller to access two ranks independently, enhancing parallelism and overall memory throughput. This configuration is particularly beneficial in multi-processor servers where high memory bandwidth and low latency are critical.

Performance and Reliability Benefits

• High bandwidth for sequential and random workloads
• Enhanced reliability through dual-layer ECC
• Registered buffering for stability in high-density servers
• Thermal sensors and heat management for consistent operation
• Energy-efficient operation with low voltage requirements

ECC Support for Enterprise Reliability

ECC (Error-Correcting Code) technology provides automatic detection and correction of single-bit memory errors. This feature is essential for enterprise environments that require data integrity, system stability, and reduced downtime during heavy computational workloads.

Memory Speed and Performance

6400MHz High-Speed Operation

Operating at a frequency of 6400MHz, this DDR5 memory module delivers significant improvements over previous DDR4 modules. The increased clock speed translates into higher bandwidth, faster data access, and improved application responsiveness, which is vital for AI, data analytics, virtualization, and high-frequency trading environments.

PC5-51200 Bandwidth

The HMCG88BHBRA289N supports a peak bandwidth of PC5-51200, enabling fast sequential and random data transfers. This bandwidth ensures that server workloads, including database operations and memory-intensive computations, can be executed efficiently without bottlenecks.

Latency Optimization

Despite higher frequency, DDR5 modules have advanced command scheduling and bank-group architecture, reducing effective latency. This module is optimized for workloads where both speed and low latency are crucial, such as virtualization, AI inferencing, and cloud infrastructure services.

Capacity and Scalability

32GB High-Density Capacity

Each HMCG88BHBRA289N module provides 32GB of memory capacity, allowing enterprise systems to scale efficiently. By populating multiple modules per motherboard, organizations can achieve terabyte-scale memory configurations, supporting high-performance computing, large in-memory databases, and analytics workloads.

Scalability for Multi-Socket Servers

Compatible with modern multi-socket server architectures, these RDIMM modules support scaling to dozens of DIMMs per system. This scalability ensures that businesses can meet growing memory demands for virtualization, high-performance computing, or AI platforms without replacing existing infrastructure.

Enterprise Applications

High-Performance Computing (HPC)

HPC workloads, including simulations, scientific modeling, and engineering computations, require massive memory bandwidth and high stability. The 6400MHz DDR5 speed and ECC protection of this module make it suitable for HPC clusters, ensuring reliable operation under intense computational demand.

Database Acceleration

In-memory databases and large relational database systems can utilize DDR5 RDIMMs for high-speed caching and rapid data retrieval. ECC ensures data integrity while reducing the risk of corruption, which is essential for financial systems, ERP platforms, and analytics applications.

Reliability, Stability

Registered RDIMM Buffering

The RDIMM design includes a register that buffers memory signals, improving signal integrity and stability when multiple modules are installed. This buffering reduces electrical load on the memory controller and prevents timing errors in high-density configurations.

Error-Correcting Code (ECC)

ECC functionality continuously monitors and corrects single-bit memory errors, preventing data corruption and system crashes. Multi-bit error detection further enhances reliability, ensuring mission-critical workloads maintain integrity during operation.

Power Efficiency and Advanced Features

Low Voltage Operation

DDR5 RDIMMs operate at a lower voltage than DDR4, typically around 1.1V, reducing overall power consumption. This efficiency allows data centers to lower energy costs while supporting high-density memory configurations.

On-Die ECC and Memory Management

DDR5 integrates on-die ECC to internally correct errors within the memory chips themselves. Combined with module-level ECC, this dual-layer protection enhances reliability and data integrity, critical for enterprise applications handling sensitive or regulated data.

Command and Address Bus Improvements

DDR5 modules improve memory efficiency by splitting command/address buses and increasing bank groups, which allows more parallel operations. This leads to higher effective bandwidth and lower latency, benefiting both sequential and random memory access patterns.

Deployment Best Practices

Compatibility and System Requirements

Before installing the HMCG88BHBRA289N module, ensure motherboard compatibility with DDR5 RDIMM and support for 6400MHz operation. Multi-socket servers must verify memory channel support and population rules for dual-rank modules to achieve optimal performance.

Firmware and BIOS Settings

Updating system firmware and BIOS ensures proper recognition of DDR5 modules and activation of high-speed profiles. Adjusting voltage and timing settings can further optimize performance, especially in multi-module configurations.

Enterprise Applications and Use Cases

Cloud Data Centers

Cloud providers can leverage high-density DDR5 RDIMMs to host large numbers of VMs with reliable, high-speed memory access. ECC ensures data integrity for multi-tenant environments, while low voltage reduces operational costs.

Scientific Research and HPC

HPC clusters, scientific simulations, and engineering computation environments require high memory bandwidth and reliable operation. DDR5 RDIMMs deliver both speed and data integrity, supporting complex calculations and large-scale simulations.