HMCG78AGBRA187N Hynix 16GB 5600MHz PC5-44800 Ecc Registered Cl46 DDR5 SDRAM RDIMM RAM

Hynix HMCG78AGBRA187N 16GB Server Memory Kit

The Hynix HMCG78AGBRA187N features a substantial 16GB memory capacity configured as a single 1x16GB module. This configuration provides optimal flexibility for server deployments, allowing system administrators to populate DIMM slots according to specific workload requirements. The single-module design enables efficient memory scaling while maintaining system stability and performance consistency across various server platforms.

Memory Technology and Speed

Utilizing cutting-edge DDR5 SDRAM technology, this memory module operates at a blazing-fast 5600MT/s (Mega Transfers per second). The enhanced data rate represents a significant performance leap over previous DDR4 generations, delivering improved bandwidth for data-intensive server applications. This speed optimization ensures rapid data access and processing capabilities essential for modern enterprise computing environments.

Advanced Memory Architecture

PC5-44800 Bandwidth Performance

The module is classified under PC5-44800, indicating its peak theoretical bandwidth of 44800 MB/s. This substantial bandwidth capability enables the memory to handle multiple simultaneous data requests efficiently, reducing bottlenecks in memory-intensive operations. The enhanced bandwidth is particularly beneficial for virtualization, database management, and high-performance computing applications where data throughput is critical.

1RX8 Organization and Rank Structure

Featuring a 1RX8 (Single Rank, x8 organization) architecture, this memory module optimizes signal integrity and access efficiency. The single-rank design simplifies memory controller operations while maintaining high performance levels. The x8 organization refers to the internal DRAM chip configuration, which provides an optimal balance between performance, power efficiency, and manufacturing reliability for server-grade memory applications.

Server-Grade Memory Features

ECC Registered Technology

The HMCG78AGBRA187N integrated ECC (Error Correction Code) functionality represents a critical reliability feature for server environments. This advanced error detection and correction system automatically identifies and corrects single-bit memory errors in real-time, while also detecting multi-bit errors. This proactive error management significantly reduces system crashes, data corruption, and unexpected downtime, ensuring continuous operation in mission-critical server applications.

Registered DIMM Advantages

As a Registered DIMM (RDIMM), this memory module incorporates register chips between the memory controller and DRAM modules. These registers buffer command and address signals, reducing electrical load on the memory controller and enabling support for higher memory capacities per channel. This architecture enhances signal integrity, improves system stability with large memory configurations, and allows for more DIMMs to be installed per memory channel without compromising performance.

1.1V Operating Voltage

Operating at an efficient 1.1 volts, this DDR5 module demonstrates significant power reduction compared to previous memory generations. The lower voltage requirement contributes to reduced overall power consumption in data center environments, leading to lower operating costs and improved energy efficiency. Despite the lower voltage, the module maintains robust signal integrity through advanced power delivery circuitry and improved noise reduction techniques.

Power Management Features

The module incorporates sophisticated power management capabilities including fine-grained power gating and dynamic voltage scaling. These features allow the memory to optimize power consumption based on workload demands, reducing energy usage during periods of lower activity while maintaining instant responsiveness when performance demands increase. This intelligent power management contributes to better Power Usage Effectiveness (PUE) in data center deployments.

Performance Characteristics

CL46 CAS Latency Specification

With a CAS Latency of CL46, this memory module is optimized for high-capacity server applications where stability and reliability take precedence over ultra-low latency. The timing parameters are carefully balanced to ensure consistent performance under sustained server workloads while maintaining compatibility with a wide range of server platforms. The latency characteristics are specifically tuned for enterprise environments where data integrity and continuous operation are paramount.

Advanced Timing Configuration

The module features comprehensive timing optimization including tRCD, tRP, and tRAS parameters that are synchronized to deliver optimal performance for server workloads. These timing parameters are factory-calibrated to ensure compatibility across various server platforms while providing reliable operation under continuous load conditions. The balanced timing approach ensures predictable performance for enterprise applications.

288-Pin DIMM Form Factor

The HMCG78AGBRA187N memory module utilizes the standard 288-pin DIMM form factor specifically designed for server platforms. This physical configuration ensures proper mechanical compatibility with server motherboards and chassis while providing reliable electrical connections. The pin layout follows JEDEC standardization, guaranteeing interoperability with compliant server systems and proper seating in memory slots for long-term reliability.

Enterprise Application Scenarios

Data Center Deployment

This memory module excels in virtualized server environments where multiple virtual machines require isolated, reliable memory resources. The ECC functionality ensures data integrity across virtual machine boundaries, while the registered architecture supports the high memory capacities needed for dense virtualization deployments. The module's stability characteristics are particularly valuable in hyper-converged infrastructure and cloud computing platforms.

Database Server Applications

For database servers running SQL, Oracle, or other database management systems, this memory provides the necessary reliability and performance for transaction processing and query execution. The error correction capabilities protect against data corruption in memory-resident database pages, while the high bandwidth supports rapid data access and manipulation operations essential for responsive database performance.

High-Performance Computing

In technical computing environments such as computational analysis, simulation, and modeling applications, this memory module delivers the consistent performance required for complex calculations. The ECC protection is crucial for maintaining computational accuracy in scientific workloads, while the high bandwidth supports rapid data movement between processors and memory subsystems.

Big Data and Analytics Platforms

For big data processing frameworks and analytics platforms, this memory provides the capacity and reliability needed for in-memory processing of large datasets. The module's characteristics support efficient operation of analytics engines, machine learning frameworks, and data processing pipelines where memory errors could compromise analytical results or processing efficiency.

Enterprise-Grade Reliability

The HMCG78AGBRA187N memory module is engineered for continuous operation in controlled data center environments with specified temperature ranges. The components are selected and tested for long-term reliability under sustained operational stress, ensuring consistent performance through extended service periods. The thermal design accommodates the cooling characteristics of enterprise server enclosures.

Signal Integrity Enhancement

Advanced signal integrity features including on-die termination, improved power distribution networks, and enhanced signaling protocols ensure reliable data transmission at high speeds. These features maintain data accuracy across varying environmental conditions and system configurations, providing the robustness expected in server-grade memory components.