Hynix HMCG84AGBRA192N 32GB 5600MHz PC5-44800 Single New

SKU/MPN	Warranty	Price	Condition	You save
HMCG84AGBRA192N	1 Year Warranty	$508.00	New (System) Pull	You save: $177.80 (26%)
HMCG84AGBRA192N	1 Year Warranty	$629.00	New Sealed in Box (NIB)	You save: $220.15 (26%)

Product Snapshot — Hynix HMCG84AGBRA192N 32GB RDIMM

Discover the SK Hynix HMCG84AGBRA192N, a high-performance 32GB DDR5 registered memory module engineered for servers and workstations. This RDIMM offers error-correcting reliability, fast throughput and low-voltage efficiency for demanding computing environments.

Manufacturer & Model Details

Manufacturer: SK Hynix
Part Number: HMCG84AGBRA192N
Product Type: Memory Module
Type: RDIMM, ECC, Registered

Technical Specifications

Capacity: 32GB single module (1 × 32GB)
Memory Type: DDR5 SDRAM — next-generation RAM
Speed: 5600 MT/s (DDR5-5600 / PC5-44800)
Error Protection: ECC (Error-Correcting Code) for data integrity
Form Factor: 288-pin RDIMM — registered/buffered module
Latency: CL46 timing for optimized throughput
Rank Configuration: Single Rank (1R x4)
Operating Voltage: 1.1V — energy-efficient performance

Key Highlights

Memory Architecture

Technology: DDR5 SDRAM
Module Count: Single module (1 x 32GB)
Pin Count: 288-pin edge connector
Registered (Buffered) signalling for improved stability in multi-module configurations

Performance & Timing

Effective Frequency: 5600MHz (5600 MT/s)
JEDEC Bandwidth: PC5-44800
CAS Latency: CL46 — balanced latency for high-speed transfers
Rank: 1Rx4 — single-rank organization suitable for many server boards

Compatibility & Use Cases

Best Suited For

Enterprise servers and blade systems
High-density virtualization hosts
Data center workloads and database servers
Compute nodes requiring ECC registered memory

Advantages of This Hynix Module

High throughput: Accelerates data-intensive tasks with DDR5 bandwidth.
Data safety: ECC reduces the risk of silent data corruption.
Scalability: Registered design supports larger memory arrays in servers.
Energy-savvy: Low-voltage operation lowers thermal load and power costs.

Hynix HMCG84AGBRA192N DDR5 RDIMM: The Pinnacle of Server

The Hynix HMCG84AGBRA192N represents a significant leap forward in server memory technology, embodying the cutting-edge specifications of DDR5 architecture tailored for enterprise-level computing. This 32GB module operates at 5600MHz (PC5-44800) with advanced ECC Registered functionality, delivering unprecedented bandwidth, reliability, and power efficiency for next-generation servers, workstations, and data center applications.

Understanding DDR5 Server Memory Architecture

DDR5 memory represents a fundamental architectural shift from previous generations, introducing innovations specifically designed to address the escalating demands of modern computational workloads. The Hynix HMCG84AGBRA192N leverages these advancements to provide superior performance in memory-intensive environments.

Core DDR5 Technological Advancements

Dual Sub-Channel Architecture

Unlike DDR4's single 64-bit data channel, DDR5 implements two independent 32-bit sub-channels per module. This architectural innovation effectively doubles the concurrent access capabilities, reducing latency and improving overall memory controller efficiency. For the Hynix 32GB module, this means significantly improved handling of multiple simultaneous memory requests common in virtualized environments and database operations.

On-Die ECC (Error Correction Code)

DDR5 introduces built-in error correction at the chip level, complementing the traditional module-level ECC. This on-die ECC corrects bit errors within the DRAM chips themselves before they can propagate to the system bus, enhancing data integrity and reliability for mission-critical applications where data corruption is unacceptable.

Advanced Power Management

The integration of Power Management ICs (PMICs) directly on the memory module represents a paradigm shift in memory power delivery. This distributed power architecture enables more precise voltage regulation, reduces noise, and improves power efficiency—critical factors in large-scale server deployments where energy consumption directly impacts operational costs.

ECC and Registered Technology: Enterprise-Grade Reliability

The combination of Error Correcting Code (ECC) and Registered (buffered) technology establishes the foundation for enterprise-level memory reliability and scalability that distinguishes server-grade memory from consumer variants.

Error Correction Code (ECC) Implementation

Single Bit Error Correction and Double Bit Error Detection

The ECC functionality in the Hynix HMCG84AGBRA192N can automatically correct single-bit errors and detect double-bit errors within each 64-bit data word. This capability is crucial for maintaining data integrity in applications where continuous operation and data accuracy are paramount, such as financial transactions, scientific computing, and database management systems.

Advanced Error Management and Reporting

Beyond basic error correction, this module supports sophisticated error logging and reporting mechanisms compatible with industry-standard platforms like IPMI and BMC. System administrators can monitor error rates over time, enabling proactive maintenance and replacement of modules before accumulated errors impact system stability.

Registered DIMM (RDIMM) Architecture

Address/Command Buffering and Electrical Load Reduction

The registered design incorporates buffers on the address and command lines, reducing the electrical load presented to the memory controller. This buffering enables support for higher module densities and greater numbers of DIMMs per channel while maintaining signal integrity at high frequencies—essential for scalable server configurations.

Impact on Latency and Scalability Trade-offs

While registered modules introduce minimal additional latency (typically one clock cycle) due to the buffering process, this trade-off is necessary for achieving the high-capacity, multi-DIMM configurations required in enterprise environments. The performance impact is generally negligible compared to the scalability benefits in real-world server workloads.

Performance Characteristics and Real-World Applications

The specific technical attributes of the Hynix HMCG84AGBRA192N translate directly into measurable performance benefits across various computing domains, from traditional enterprise applications to emerging computational workloads.

Bandwidth-Intensive Workload Performance

Virtualization and Cloud Infrastructure

In virtualized environments running multiple virtual machines, the high bandwidth and advanced multi-channel capabilities of DDR5 RDIMMs significantly improve memory contention handling. The 5600MHz speed enables faster VM migration, better consolidation ratios, and improved response times for memory-intensive applications running within virtual instances.

In-Memory Databases and Analytics

For in-memory database platforms like SAP HANA, Redis, or Oracle TimesTen, the combination of high bandwidth and large capacity per module enables faster query processing and real-time analytics. The ECC functionality ensures data integrity for critical business intelligence and transactional processing systems.

Reliability-Critical Applications

Financial Services and Transaction Processing

In financial trading systems, banking applications, and payment processing platforms, the ECC protection and registered stability of these modules provide the foundation for uninterrupted operation. The high-speed interface ensures low-latency transaction processing while maintaining data accuracy through continuous error correction.

Scientific and Technical Computing

For computational fluid dynamics, finite element analysis, genomic sequencing, and other scientific workloads, the high bandwidth enables faster computation cycles, while ECC protection ensures the mathematical integrity of complex calculations that may run for days or weeks without interruption.

Emerging Workload Optimization

Artificial Intelligence and Machine Learning

While GPUs typically handle the core computation for AI training, DDR5 memory plays a crucial role in feeding data to processing units and handling inference workloads. The high bandwidth of 5600MHz modules reduces potential bottlenecks in data movement, improving overall training throughput and inference response times.

High-Performance Computing (HPC) Clusters

In HPC environments where applications scale across multiple nodes, consistent memory performance and reliability are critical. The Hynix DDR5 RDIMMs provide the necessary bandwidth, capacity, and error protection for demanding parallel computing applications in research institutions and government laboratories.

DDR5 in the Memory Technology Evolution

The introduction of DDR5 technology represents the latest step in the ongoing evolution of memory standards, building upon decades of innovation while addressing the unique challenges of modern computing workloads.

Comparative Analysis with Previous Generations

Performance Evolution from DDR4

DDR5 provides approximately a 50% increase in bandwidth over comparably priced DDR4 modules while operating at lower voltages. The architectural improvements in channel organization, power management, and error correction represent significant advancements beyond the incremental speed increases typical of previous generational transitions.

Density and Scalability Improvements

The DDR5 standard supports higher per-module capacities than DDR4, with roadmap projections extending to 128GB and beyond per RDIMM. This density improvement, combined with better signal integrity at high speeds, enables more memory capacity per system—critical for memory-intensive applications and large-scale virtualization.

Future Development Roadmap

Speed Projections and Technology Evolution

The DDR5 standard includes a clear roadmap extending to 8400MT/s and beyond, ensuring long-term scalability for future server platforms. The Hynix 5600MHz module represents an optimal balance of performance, availability, and cost in the current generation, with clear upgrade paths as faster implementations become available.

Emerging Memory Technologies and Coexistence

While new memory technologies like CXL (Compute Express Link) and persistent memory offer alternative approaches to specific workload requirements, DDR5 remains the foundational main memory technology for general-purpose servers. These technologies will likely coexist, with DDR5 serving as high-performance working memory while specialized technologies address specific use cases.