HMCT04MGBRC544N Hynix 128GB DDR5 5600MHz PC5-44800 Memory.

Hynix HMCT04MGBRC544N 128GB DDR5 5600MHz Memory

Scale enterprise server performance with the SK hynix HMCT04MGBRC544N, a high-density DDR5 memory module engineered for maximum capacity and data integrity in demanding data centers.

General Information

• Brand: SK hynix
• Part Number: HMCT04MGBRC544N
• Component Type: DDR5 ECC Registered RDIMM

Technical Specifications

• Module Capacity: 128 Gigabytes (GB)
• Memory Technology: DDR5 SDRAM
• Data Transfer Speed: 5600 MT/s (PC5-44800)
• CAS Latency: CL46
• Module Configuration: 2Rx4 (Dual Rank)
• Operating Voltage: 1.1V
• Error Correction: Advanced ECC with EC8 (x8 Chipkill) - Delivers superior multi-bit error protection for mission-critical data.
• Module Type: Registered (RDIMM)
• Physical Interface: 288-pin RDIMM
• Profile: Low-Profile Design - Ensures compatibility in space-constrained, high-density server chassis.

Physical Dimensions and Weight

• Shipping Dimensions (H x D): 1.00" x 6.75"
• Approximate Shipping Weight: 0.20 lb

Enterprise-Class DDR5 RDIMM Memory Architecture

The Hynix HMCT04MGBRC544N 128GB DDR5 5600MHz ECC Registered RDIMM memory module represents a new generation of enterprise-grade server memory designed to meet the rapidly evolving demands of modern data centers, virtualization platforms, cloud infrastructure, and high-performance computing environments. Built on advanced DDR5 architecture, this memory module delivers significantly enhanced bandwidth, improved power efficiency, and higher density compared to previous DDR4 generations. Its registered DIMM design ensures signal integrity and stability, especially in multi-DIMM server configurations where reliability and scalability are essential.DDR5 memory introduces a fundamental architectural shift, offering dual independent 32-bit subchannels per module that allow greater parallelism and efficiency in data handling. The Hynix HMCT04MGBRC544N leverages this design to reduce latency bottlenecks and increase effective throughput across demanding workloads. With a PC5-44800 rating and a 5600MHz operating frequency, this module is engineered to support high-speed data access for enterprise applications such as in-memory databases, large-scale analytics, AI model training, and virtualization clusters.

High-Density 128GB Capacity for Advanced Server Workloads

The 128GB capacity of the Hynix HMCT04MGBRC544N RDIMM makes it particularly suitable for memory-intensive workloads that require large addressable memory spaces. Enterprise servers running virtualization platforms such as VMware, Hyper-V, or KVM benefit significantly from higher-capacity memory modules, as they allow more virtual machines to operate concurrently without performance degradation. Large memory capacity also enables more efficient consolidation of workloads, reducing the total number of physical servers required and lowering operational costs.In database-driven environments, high-density memory modules allow critical datasets to remain resident in memory, minimizing disk I/O latency and significantly improving transaction processing speeds. Applications such as SAP HANA, Oracle Database, Microsoft SQL Server, and other in-memory or hybrid database platforms can fully exploit the 128GB capacity to deliver faster query response times and improved overall system responsiveness.

DDR5 5600MHz Performance and PC5-44800 Bandwidth

Operating at an effective speed of 5600MHz, the Hynix HMCT04MGBRC544N provides a substantial leap in memory bandwidth compared to DDR4-based RDIMMs. The PC5-44800 designation reflects its ability to deliver up to 44.8GB/s of theoretical bandwidth per module, supporting data-hungry workloads that require rapid memory access. This high bandwidth is particularly valuable in multi-core server processors where numerous cores compete for memory resources simultaneously.

As modern CPUs continue to increase core counts, memory performance becomes a critical factor in maintaining balanced system throughput. The high-frequency operation of this DDR5 RDIMM ensures that CPU cores remain efficiently fed with data, reducing stalls and maximizing compute utilization. This makes the module well suited for compute-intensive applications, scientific simulations, financial modeling, and real-time analytics platforms.

ECC Registered Memory for Mission-Critical Reliability

Error Correcting Code functionality is a cornerstone of enterprise server memory, and the Hynix HMCT04MGBRC544N integrates advanced ECC capabilities to detect and correct single-bit memory errors in real time. This feature significantly enhances system stability by preventing data corruption that could otherwise lead to application crashes, incorrect calculations, or system downtime. In mission-critical environments where uptime and data integrity are non-negotiable, ECC memory is an essential requirement.

The registered DIMM design further enhances reliability by incorporating a register between the memory controller and the DRAM chips. This register buffers command and address signals, reducing electrical load and improving signal integrity across the memory bus. As a result, servers can support higher memory capacities and more populated DIMM configurations without compromising stability or performance.

CAS Latency 46 Optimization for DDR5 Architecture

With a CAS latency rating of CL46, the Hynix HMCT04MGBRC544N is optimized for the high-frequency operation characteristic of DDR5 memory. While absolute latency values may appear higher compared to DDR4 modules, the significantly increased clock speeds and architectural enhancements of DDR5 result in improved overall performance and lower effective latency per transferred data unit. This balance ensures that enterprise workloads experience consistent and predictable memory response times.

Latency-sensitive applications such as high-frequency trading platforms, real-time data processing systems, and latency-critical virtualization environments benefit from the optimized timing characteristics of this DDR5 RDIMM. The module’s design ensures that latency remains within acceptable thresholds while delivering the bandwidth necessary for modern workloads.

1.1V Low-Power Operation and Energy Efficiency

Energy efficiency is a critical consideration in large-scale data centers, and the Hynix HMCT04MGBRC544N operates at a nominal voltage of 1.1V, lower than previous DDR4 standards. This reduced operating voltage contributes to lower power consumption per module, which can result in significant energy savings when deployed across large server fleets. Lower power consumption also translates into reduced heat output, easing cooling requirements and improving overall system thermal management.

DDR5 memory introduces on-module power management through an integrated Power Management Integrated Circuit, shifting voltage regulation from the motherboard to the DIMM itself. This design enhances power delivery efficiency and stability, allowing the Hynix HMCT04MGBRC544N to maintain consistent performance even under heavy workloads. Data center operators benefit from improved power efficiency and more predictable thermal characteristics.

288-Pin RDIMM Form Factor and Low-Profile Design

The 288-pin RDIMM form factor ensures broad compatibility with modern server platforms that support DDR5 memory. The Hynix HMCT04MGBRC544N is designed to integrate seamlessly with enterprise-grade motherboards from leading server manufacturers. Its standardized pin layout and electrical specifications allow for straightforward installation and upgrade processes within supported systems.

The low-profile design of this memory module is particularly advantageous in dense server configurations where vertical clearance may be limited. Low-profile RDIMMs enable better airflow within server chassis, contributing to improved cooling efficiency and reduced thermal hotspots. This is especially important in high-density rack deployments and blade server environments where thermal management is critical.

Compatibility with Next-Generation Server Platforms

The Hynix HMCT04MGBRC544N is engineered for compatibility with next-generation server processors and chipsets that support DDR5 RDIMM memory. Platforms based on modern enterprise CPUs benefit from the increased memory bandwidth, higher capacity support, and improved power efficiency offered by DDR5 technology. This module is suitable for deployment in new server builds as well as memory upgrades for compatible systems.

System integrators and IT professionals value the predictable compatibility and performance characteristics of Hynix memory modules, which are extensively validated against industry standards. This ensures reliable operation in heterogeneous server environments and simplifies qualification processes for enterprise deployments.

Use Cases in Virtualization and Cloud Computing

Virtualized environments place unique demands on system memory, requiring high capacity, consistent performance, and robust reliability. The 128GB capacity of the Hynix HMCT04MGBRC544N allows virtualization hosts to allocate ample memory to multiple virtual machines, reducing contention and improving overall performance. This enables higher VM density per host, optimizing resource utilization and lowering infrastructure costs.

In cloud computing environments, scalable memory performance is essential for supporting dynamic workloads and multi-tenant architectures. DDR5 RDIMM memory provides the bandwidth and efficiency required to handle fluctuating demand, ensuring that cloud services remain responsive and reliable. The ECC and registered design of this module further enhance its suitability for cloud platforms where data integrity and uptime are paramount.

Support for High-Performance Computing and Workloads

High-performance computing applications rely on fast and reliable memory to process large datasets and complex algorithms efficiently. The high bandwidth and capacity of the Hynix HMCT04MGBRC544N make it an ideal choice for HPC clusters, scientific research environments, and engineering simulations. Memory-intensive tasks such as computational fluid dynamics, molecular modeling, and weather forecasting benefit from the increased throughput provided by DDR5 technology.

Artificial intelligence and machine learning workloads also demand substantial memory resources, particularly during model training phases where large datasets must be accessed repeatedly. The 128GB capacity allows more data to reside in memory, reducing reliance on slower storage tiers and accelerating training times. The stability and reliability of ECC registered memory ensure consistent results and long-term system dependability.

Enterprise Data Analytics and Big Data Processing

Big data platforms and analytics engines require memory solutions that can handle massive datasets with minimal latency. The Hynix HMCT04MGBRC544N supports these requirements by combining high capacity with exceptional bandwidth. In-memory analytics frameworks benefit from the ability to store large data structures directly in RAM, enabling faster processing and more responsive insights.

Enterprise data warehouses and real-time analytics systems leverage the performance characteristics of DDR5 RDIMM memory to deliver timely results. This module’s architecture supports parallel data access patterns, making it well suited for distributed processing frameworks and high-throughput analytics pipelines.

Manufacturing Quality and Hynix Reliability Standards

Hynix is recognized globally for its expertise in memory manufacturing and its commitment to quality and reliability. The HMCT04MGBRC544N is produced using advanced fabrication processes and undergoes rigorous testing to ensure compliance with enterprise-grade standards. This focus on quality control results in memory modules that deliver consistent performance and long operational lifespans.

Enterprise customers rely on Hynix memory solutions for their proven track record in demanding environments. The durability and stability of this DDR5 RDIMM make it a dependable choice for long-term deployments where system reliability is critical.

Scalability and Future-Proof Server Memory

Investing in DDR5 memory such as the Hynix HMCT04MGBRC544N positions organizations for future growth and evolving workload requirements. As software applications and operating systems continue to demand greater memory resources, high-capacity DDR5 RDIMMs provide the scalability needed to adapt without frequent hardware replacements. This forward-looking approach helps protect infrastructure investments and reduces total cost of ownership over time.

The combination of high capacity, advanced architecture, and energy efficiency ensures that this memory module remains relevant as server technologies evolve. Organizations planning for expansion, increased virtualization density, or more demanding analytics workloads can rely on this DDR5 RDIMM to support their long-term objectives.

Optimized for Data Center Efficiency and Stability

The Hynix HMCT04MGBRC544N is optimized for deployment in enterprise data centers where efficiency, reliability, and performance are essential. Its low-voltage operation, robust ECC protection, and registered design contribute to stable system behavior under sustained workloads. These characteristics make it an ideal component for mission-critical servers that operate continuously in demanding environments.By integrating advanced DDR5 features with enterprise-grade reliability, this memory module supports the operational goals of modern IT infrastructures. Its performance characteristics align with the needs of data center operators seeking to maximize throughput while maintaining stringent reliability and efficiency standards.