HMCT04AEERA135N Hynix 128GB Pc5-38400 DDR5-4800mhz 288-pin Rdimm Quad Rank X4 Memory Module

Hynix HMCT04AEERA135N 128GB DDR5 Memory Modules

High-Performance Memory Solutions

The Hynix HMCT04AEERA135N is engineered to deliver outstanding memory performance for enterprise servers and high-demand computing environments. This 128GB DDR5 SDRAM module ensures maximum efficiency and reliability, making it ideal for critical applications.

Core Specifications

• Manufacturer: SK Hynix
• Model Number: HMCT04AEERA135N
• Memory Type: DDR5 SDRAM
• Module Configuration: Single 128GB DIMM

Advanced Technical Features

Designed for enterprise-grade performance, this DDR5 module offers:

• Data Transfer Speed: 4800MHz (PC5-38400) for rapid data access
• Error Correction: ECC (Error-Correcting Code) to maintain data integrity
• Registered Signaling: RDIMM architecture for stable system operation
• CAS Latency: CL46 for low-latency performance
• Memory Rank: Quad Rank (4Rx4) for enhanced bandwidth utilization

Form Factor and Physical Design

• Pin Configuration: 288-pin RDIMM, compatible with modern server boards
• Module Dimensions: 1.0" height x 6.75" depth
• Lightweight Design: 0.20 lb shipping weight for easy installation

Optimized for Enterprise Systems

The HMCT04AEERA135N DDR5 module is tailored to meet the rigorous demands of data centers, workstations, and enterprise servers. Key benefits include:

• Exceptional stability under heavy workloads
• High-speed data transfer to accelerate computing tasks
• ECC protection to prevent memory errors in critical applications
• Registered design to enhance signal integrity across multiple modules

Compatibility and Integration

Seamless integration with a wide range of DDR5-compatible servers ensures minimal downtime and maximum performance. The module supports:

• Latest DDR5 server platforms
• Quad-rank configurations for enhanced system memory capacity
• High-frequency memory channels to optimize throughput

Reliability and Longevity

Built with enterprise-grade components, the Hynix HMCT04AEERA135N memory module provides:

• Consistent operation under high-temperature conditions
• Durable design to support continuous 24/7 workloads
• Reduced risk of system crashes due to ECC protection

Performance Advantages

With DDR5 technology at 4800MHz, this module boosts memory-intensive applications, enabling:

• Faster data access and processing speed
• Efficient multitasking in server environments
• Improved latency and throughput for database and virtualization workloads

Energy Efficiency

Operating at just 1.1 volts, the HMCT04AEERA135N reduces power consumption without sacrificing performance, making it both cost-effective and environmentally friendly.

 Choose Hynix DDR5 Modules

• Trusted manufacturer with a reputation for reliability
• High-capacity modules suitable for enterprise-scale operations
• Advanced error correction and signal integrity features
• Optimized for demanding workloads and high-performance servers

Hynix HMCT04AEERA135N 128GB DDR5-4800MHz Memory Module Overview

The Hynix HMCT04AEERA135N is a cutting-edge DDR5-4800MHz memory module designed for enterprise-grade servers and high-performance computing environments. As part of Hynix's advanced RDIMM lineup, this 128GB module delivers high-speed, reliable, and energy-efficient memory solutions, making it ideal for modern data centers, cloud infrastructure, and mission-critical applications.

Built with ECC (Error-Correcting Code) technology, this memory module ensures data integrity and system stability by detecting and correcting single-bit errors, minimizing the risk of data corruption during processing. The module's 288-pin configuration and Quad Rank X4 architecture allow for higher memory density and improved bandwidth, supporting memory-intensive workloads with ease.

Key Specifications of Hynix HMCT04AEERA135N

Memory Capacity and Speed

The Hynix HMCT04AEERA135N provides a massive 128GB capacity, allowing servers to handle large datasets and virtualization workloads efficiently. Operating at DDR5-4800MHz (PC5-38400), it offers a significant increase in bandwidth compared to DDR4 modules, improving overall system performance for applications such as databases, analytics, and AI model training.

Latency and Timing

With a CL46 latency, this module ensures a balance between speed and stability, allowing for faster data access while maintaining low error rates. The timing characteristics are optimized for enterprise-level servers, providing predictable performance in multi-threaded and high-concurrency environments.

Voltage and Power Efficiency

Operating at 1.1V, the HMCT04AEERA135N consumes less power than previous DDR4 modules, helping to reduce energy costs in large-scale deployments. Lower voltage operation also contributes to lower heat output, ensuring reliable performance in densely packed server racks and optimized thermal environments.

Module Architecture

This memory module employs a Quad Rank X4 design, which means four sets of memory ranks are used in parallel. Each rank contains multiple x4 DRAM chips, enhancing data throughput and system scalability. Quad rank modules are particularly suitable for high-memory-capacity servers, allowing system administrators to maximize RAM while maintaining stable signal integrity.

Advanced ECC and Registered Features

Error-Correcting Code (ECC)

ECC memory is essential for critical applications where data integrity cannot be compromised. The Hynix HMCT04AEERA135N's ECC technology automatically detects and corrects single-bit memory errors, ensuring accurate computation and preventing unexpected system crashes or data corruption. ECC support is indispensable for servers handling sensitive transactions, financial data, or high-stakes analytics.

Registered DIMM (RDIMM) Benefits

As a registered DIMM (RDIMM), this module features a register between the DRAM and the memory controller. This register buffers memory signals, reducing electrical load and allowing higher memory capacities to be installed without compromising system stability. RDIMMs are preferred in enterprise servers, especially in configurations requiring multiple high-capacity modules.

Reliability and Longevity

The combination of ECC and RDIMM design ensures that the Hynix HMCT04AEERA135N is highly reliable for long-term use in enterprise environments. These features minimize downtime, support continuous operation, and extend the lifespan of servers by maintaining stable memory performance even under heavy workloads.

Compatibility and System Support

Server and Workstation Compatibility

The HMCT04AEERA135N module is compatible with a wide range of server and workstation platforms, including those from Dell, HP, Lenovo, and other enterprise OEMs. Its 288-pin RDIMM form factor is designed to fit standard DDR5 memory slots, making it an ideal upgrade for systems requiring high memory capacity and speed.

BIOS and Firmware Support

Modern server BIOS firmware is optimized to support DDR5 memory modules with ECC and registered functionality. System administrators can rely on plug-and-play installation, with the server automatically detecting module capacity and configuring optimal speed and timings. Firmware updates may further enhance compatibility and performance for specific server models.

Operating System Support

The Hynix HMCT04AEERA135N is fully supported by popular server operating systems, including Windows Server, Linux distributions, VMware ESXi, and Unix-based systems. ECC functionality is fully utilized in these environments, ensuring stable operation for enterprise workloads, virtualization, and high-performance computing tasks.

Performance Optimization in Enterprise Applications

Virtualization and Cloud Environments

With 128GB of high-speed DDR5 memory per module, Hynix HMCT04AEERA135N is ideal for virtualization-heavy workloads. It allows multiple virtual machines to run simultaneously without memory contention, enhancing server utilization and efficiency. Cloud service providers benefit from increased memory density, which supports large-scale virtualized environments and containerized workloads.

Database and Analytics Applications

High-performance database systems such as SQL Server, Oracle, and NoSQL databases require consistent memory throughput. DDR5-4800MHz speed ensures fast query processing and large in-memory database handling. ECC and RDIMM reliability further ensure that sensitive data is processed without errors, supporting mission-critical analytics and reporting tasks.

AI and Machine Learning Workloads

Modern AI and machine learning models demand high memory bandwidth and low-latency access. The Hynix HMCT04AEERA135N supports these workloads by providing massive memory capacity and high-speed DDR5 performance. This enables faster training, model inference, and data preprocessing, particularly for large neural networks and deep learning applications.

Thermal Management and Energy Efficiency

Low Voltage Operation

Operating at just 1.1V, this module significantly reduces power consumption compared to previous DDR4 and DDR3 equivalents. Lower voltage operation translates to lower heat generation, which is critical in data centers with high-density server racks. Reduced heat contributes to longer module lifespan and fewer cooling requirements.

Heat Spreaders and Thermal Design

Although the HMCT04AEERA135N does not always include integrated heat spreaders, its design is optimized for efficient heat dissipation. Proper airflow management in server chassis ensures the module maintains safe operating temperatures, preventing thermal throttling and supporting stable performance under sustained workloads.

Memory Module Installation and Configuration

DIMM Slot Population Guidelines

Installing Quad Rank RDIMMs requires careful attention to slot population rules. For maximum performance, modules should be installed in matching channels and balanced across CPUs. Many server platforms provide guidelines in the motherboard manual for optimal memory configuration, ensuring the system benefits from full DDR5 bandwidth.

BIOS Memory Configuration

After installation, the server BIOS may require enabling XMP profiles or memory interleaving for peak performance. XMP profiles provide optimized timings and voltage settings, ensuring the module runs at the rated DDR5-4800MHz speed. Memory interleaving improves bandwidth utilization, particularly in high-concurrency workloads.

System Monitoring and Error Detection

Server management tools and monitoring software can track memory performance, temperature, and error rates. ECC logging provides insight into any corrected errors, helping IT teams maintain system stability and predict potential hardware failures before they impact operations.

Use Cases and Industry Applications

Enterprise Data Centers

In enterprise data centers, the HMCT04AEERA135N is ideal for handling large-scale virtualization, big data analytics, and AI workloads. High memory capacity per module reduces the total number of DIMMs needed, simplifying maintenance and improving airflow in densely populated server racks.

Cloud Computing Providers

Cloud providers benefit from DDR5-4800MHz performance in offering faster and more reliable virtual instances. With ECC and RDIMM reliability, providers can ensure data integrity for multi-tenant environments, supporting customer SLAs and uptime guarantees.

High-Performance Computing (HPC)

HPC clusters require modules capable of delivering consistent, high-speed memory access. The Hynix HMCT04AEERA135N provides the bandwidth and error correction necessary for simulations, modeling, and computational science workloads, where large datasets are processed in parallel across many nodes.

Financial Services and Enterprise Applications

Financial institutions rely on precise computation and uninterrupted operation. ECC RDIMM memory reduces the risk of critical errors during transactions, trading, or risk modeling. DDR5 speed ensures faster processing of complex calculations and real-time data streams.

Comparisons with Other Memory Modules

DDR5 vs DDR4

Compared to DDR4 modules, the Hynix HMCT04AEERA135N offers higher data rates, improved energy efficiency, and enhanced reliability. DDR5 provides nearly double the bandwidth of DDR4, making it essential for next-generation servers handling memory-intensive tasks.

Quad Rank vs Dual Rank Modules

Quad Rank modules provide higher memory density and increased channel bandwidth compared to Dual Rank modules. This makes them more suitable for enterprise servers where maximum memory capacity is critical, while Dual Rank modules may be preferred for smaller servers with fewer DIMM slots.

Registered vs Unbuffered DIMMs

Registered DIMMs like the HMCT04AEERA135N offer superior stability and scalability in high-memory configurations. Unbuffered DIMMs are typically limited to lower-capacity workstations and are unsuitable for multi-socket enterprise servers requiring large amounts of RAM.

Replacement and Upgrade Strategies

When upgrading existing servers, compatibility with motherboard specifications and supported memory speed is crucial. Hynix HMCT04AEERA135N modules can replace older DDR4 or lower-capacity DDR5 modules, offering immediate performance improvements in both bandwidth and capacity.

Warranty and Reliability Assurance

Hynix provides a robust warranty for enterprise memory modules, ensuring replacement in case of manufacturing defects or early failure. This assurance, combined with the module’s ECC and RDIMM features, guarantees reliable operation over the server’s lifecycle, minimizing risk of unplanned downtime.

Future-Proofing and Scalability

Supporting Next-Generation Workloads

With the adoption of DDR5, Hynix HMCT04AEERA135N positions servers for future high-performance applications, including AI, machine learning, and real-time analytics. Its high-speed interface and large memory capacity enable organizations to scale memory infrastructure without frequent hardware replacements.

Maximizing Server Utilization

High-capacity memory modules allow servers to handle more workloads per node, reducing the total number of servers needed. This optimizes power usage, cooling requirements, and physical space in data centers, contributing to more efficient and sustainable operations.