Hynix 64GB PC5-51200 HMCG94AHBRA278N DDR5 6400MHz SDRAM 288-pin RAM

HMCG94AHBRA278N Hynix 64GB PC5-51200 DDR5 6400MHz 2Rx4 ECC CL46 SDRAM 288-Pin RDIMM Memory Module Overview

The HMCG94AHBRA278N Hynix 64GB PC5-51200 DDR5 6400MHz 2Rx4 ECC CL46 SDRAM 288-pin RDIMM Memory Module represents the pinnacle of enterprise-grade memory solutions, delivering unmatched speed, capacity, and reliability for modern server infrastructures. Engineered for high-performance computing, virtualization, cloud environments, and artificial intelligence workloads, this module combines 64GB capacity, a blazing 6400MHz DDR5 frequency, PC5-51200 bandwidth, CL46 latency, and a 2Rx4 rank configuration to provide top-tier performance while maintaining the stability and error correction that mission-critical applications demand. The 288-pin RDIMM form factor ensures compatibility with next-generation server platforms while facilitating high-density deployments.

DDR5 Technology Advancements

Next-Generation DDR5 Architecture

DDR5 memory introduces a transformative leap over DDR4 technology. With the HMCG94AHBRA278N, enterprises gain:

• Higher frequencies: 6400MHz delivers unprecedented data throughput for compute-intensive workloads.
• Increased bandwidth: PC5-51200 bandwidth allows rapid access to large datasets, accelerating AI and HPC tasks.
• Improved error correction: On-die ECC combined with system-level ECC ensures data integrity and operational reliability.
• Enhanced efficiency: Operating at 1.1V reduces power consumption, facilitating sustainable data center operations.
• Greater memory density: Support for larger module capacities allows for scalable, terabyte-level server configurations.

Memory Channel Population Strategy

• Populate memory channels evenly for optimal throughput.
• Use identical modules to ensure consistent speed and latency.
• Enable ECC settings in BIOS for maximum reliability.

Registered DIMM (RDIMM) Benefits

The HMCG94AHBRA278N leverages RDIMM technology to buffer control signals between the memory controller and DRAM chips. This reduces electrical loading and improves signal integrity, which is critical for multi-channel configurations, high-density deployments, and maintaining system stability at extreme speeds.

2Rx4 Rank Configuration

The 2Rx4 rank structure offers optimal concurrency by distributing workloads efficiently across memory banks. This layout supports enhanced multi-threading and high-volume data operations, making it ideal for virtualization, database applications, and HPC environments.

288-Pin Form Factor

Designed with a 288-pin interface, the HMCG94AHBRA278N provides secure and reliable connectivity to modern server motherboards. This form factor supports high-density memory deployment, while also accommodating advanced power management and ECC features integral to enterprise-grade servers.

Performance Characteristics

High-Speed 6400MHz Frequency

Operating at 6400MHz, this DDR5 RDIMM maximizes throughput for memory-intensive operations. High-speed access minimizes latency, making it perfect for real-time analytics, machine learning model training, scientific simulations, and AI inference workloads.

PC5-51200 Bandwidth

The PC5-51200 standard provides 51.2 GB/s per DIMM, enabling rapid data transfers and minimizing bottlenecks in memory-intensive applications. This bandwidth is critical for high-concurrency environments and large-scale in-memory databases.

CL46 Latency

Featuring CL46 latency, this module balances ultra-high speed with efficient access times. It provides low-latency response for enterprise workloads while maintaining high data throughput, ensuring optimal performance across multiple processes.

Enhanced Bank Group Architecture

DDR5 introduces increased bank groups and improved bank-level parallelism, allowing simultaneous operations across multiple memory banks. This architectural improvement significantly enhances concurrency and reduces memory access delays.

Enterprise Applications

High-Performance Computing (HPC)

HPC workloads, such as scientific modeling, financial simulations, and computational physics, benefit from high-speed, high-capacity memory. The HMCG94AHBRA278N delivers exceptional performance, allowing parallel processing and massive data handling with consistency and reliability.

In-Memory Databases

Platforms like SAP HANA, Oracle, and other real-time databases rely heavily on large memory capacities. With 64GB per DIMM and robust ECC, the HMCG94AHBRA278N accelerates query execution, analytics, and transactional operations, optimizing in-memory database performance.

Reliability and Stability

Error-Correcting Code (ECC)

ECC functionality allows the module to automatically detect and correct single-bit errors, preventing data corruption and system crashes. This feature is indispensable for mission-critical environments where stability is paramount.

On-Die ECC and System-Level ECC

DDR5 integrates on-die ECC to correct internal DRAM errors, while the RDIMM provides system-level ECC. This dual-layer protection ensures maximum data integrity across enterprise workloads.

Thermal Monitoring and Management

Integrated thermal sensors enable dynamic temperature monitoring and reporting, allowing for efficient cooling strategies. Maintaining optimal thermal conditions is essential for sustaining high-speed operations in dense server racks.

Power Efficiency

Low Voltage Operation

Operating at 1.1V, this DDR5 module reduces energy consumption while delivering higher performance compared to DDR4 modules. Data centers deploying these DIMMs can achieve significant operational cost savings.

Power Management IC (PMIC)

Integrated PMIC ensures precise voltage regulation, reducing power noise and enhancing module efficiency. This contributes to overall data center stability and energy savings.

Eco-Friendly Deployments

By combining low power consumption with higher efficiency, the HMCG94AHBRA278N supports eco-friendly IT operations, reducing carbon footprint without sacrificing performance.

Deployment Guidelines

Compatibility Considerations

This module is designed for DDR5-compatible server platforms. Administrators should ensure motherboard and CPU support for DDR5 RDIMM modules before deployment.

Firmware and BIOS Updates

Keeping BIOS and firmware up to date is critical to ensuring full DDR5 module support, optimal performance, and enhanced stability.

Enterprise Advantages

Scalability

The 64GB module capacity supports large-scale server deployments, enabling terabyte-level memory configurations necessary for virtualization, cloud computing, and HPC.

Reliability

ECC, RDIMM buffering, and thermal monitoring ensure stable, uninterrupted operations in 24/7 enterprise environments.

Future-Ready DDR5 Technology

As part of the DDR5 generation, this memory module ensures compatibility with next-generation server platforms while providing higher bandwidth, lower latency, and improved energy efficiency.