HMA84GR7DJR4N-WM Hynix 32GB 2933MHz PC4-23400 DDR4 Memory.

Hynix HMA84GR7DJR4N-WM 32GB DDR4 ECC Memory

The Hynix HMA84GR7DJR4N-WM 32GB 2933MHz DDR4 RDIMM is a high-performance server-grade memory solution engineered to deliver exceptional reliability, improved data accuracy, and efficient multitasking capability. Designed for enterprise servers and mission-critical systems, this module ensures stable throughput and optimized computing power.

General Information

• Brand Name: Hynix
• Model / Part Number: HMA84GR7DJR4N-WM
• Product Category: Server Memory Module

Technical Specifications

Performance & Capacity

• Storage Capacity: 32GB
• Memory Type: DDR4 SDRAM
• Module Count: 1 × 32GB
• Speed Rating: 2933MT/s (PC4-23400)

Reliability & Data Protection

• Error Correction: ECC (Error-Correcting Code)
• Signal Processing: Registered / Buffered
• CAS Latency: CL21

Rank & Architecture

• Rank Configuration: Dual Rank (2Rx4)
• Enhanced throughput: Optimized for multitasking and parallel data handling

Physical Characteristics

Form Factor & Build

• Form Factor: 288-Pin RDIMM
• Memory Voltage: 1.2V for better energy efficiency

Packaging & Shipping

• Shipping Height: 1.00 in.
• Shipping Depth: 6.75 in.
• Shipping Weight: 0.20 lbs

Hynix HMA84GR7DJR4N-WM 32GB DDR4 Memory Overview

The Hynix HMA84GR7DJR4N-WM 32GB 2933MHz PC4-23400 Cl21 ECC Registered Dual Rank 1.2v DDR4 SDRAM 288-Pin RDIMM Memory Module represents a pinnacle in server-grade memory technology. Designed for enterprise applications, data centers, and high-performance computing environments, this module offers exceptional reliability, advanced error correction, and consistent high-speed performance. As a dual rank, registered memory module, it provides improved electrical stability and system scalability compared to unbuffered memory, making it ideal for multi-socket server configurations where high density and stability are essential.This memory module operates at 2933MHz, delivering robust bandwidth suitable for workloads ranging from virtualization to database management and cloud computing. The PC4-23400 specification indicates a theoretical peak bandwidth of 23.4 GB/s, allowing large-scale memory operations to execute efficiently. Featuring a CAS latency of 21, it balances high frequency with low latency to maintain responsiveness under heavy loads.The ECC (Error-Correcting Code) functionality ensures that single-bit errors are automatically detected and corrected, preventing potential system crashes or data corruption. This capability is critical for mission-critical applications and high-availability servers where uptime and data integrity cannot be compromised.

Performance and Reliability in Enterprise Environments

Server memory is fundamentally different from desktop memory due to the demands of continuous operation, high throughput, and system stability under extreme workloads. Hynix’s DDR4 RDIMM modules are engineered to meet these requirements by offering robust error detection and correction mechanisms, thermal management considerations, and stringent quality control standards. For enterprises deploying virtualization clusters or high-performance databases, the 32GB capacity per module enables memory-intensive workloads without compromising responsiveness.In addition to ECC, the registered nature of this memory module helps reduce electrical loading on the memory controller. By buffering the signals, the RDIMM design allows servers to support larger memory capacities while maintaining high reliability. This is particularly beneficial in dual or quad-processor servers where memory bandwidth and stability are critical to the overall system performance.

Compatibility and System Integration

Hynix HMA84GR7DJR4N-WM memory modules are designed for seamless integration with a wide range of server platforms. They are compatible with multiple motherboard vendors, supporting systems from HPE, Dell, Lenovo, and other enterprise-grade servers that require registered ECC DDR4 memory. Their 288-pin RDIMM interface ensures standardization across supported systems, simplifying installation and replacement processes for IT administrators.The memory modules are also optimized for multi-channel configurations, ensuring maximum performance when installed in matched sets. By populating memory slots according to the manufacturer’s recommendations, users can achieve the full benefit of increased memory bandwidth and reduced latency, which is essential for applications such as virtualization, analytics, and high-performance computing clusters.

Thermal and Power Efficiency

Modern server environments are increasingly sensitive to power consumption and heat generation. Operating at 1.2 volts, the Hynix HMA84GR7DJR4N-WM consumes significantly less power compared to previous-generation DDR3 modules, reducing operating costs and improving overall data center energy efficiency. Lower voltage also translates to reduced heat output, contributing to the longevity of the memory module and surrounding components.Thermal stability is further enhanced by the module’s robust design and high-quality DRAM chips, which allow it to sustain consistent performance even under continuous high-load conditions. This ensures that servers can maintain optimal operation without throttling or encountering errors due to excessive heat, a critical factor in densely populated server racks where airflow can be limited.

Memory Density and Scalability Considerations

The 32GB per module capacity is particularly advantageous for enterprises seeking to maximize memory density in limited server real estate. Dual rank modules provide an effective method to increase usable memory without overloading the memory controller, making them ideal for large-scale virtualization deployments and in-memory database applications. Organizations can deploy multiple modules to achieve terabyte-scale memory configurations, enabling high-performance operations across multiple servers and clusters.Scalability is further supported by the standardized DDR4 architecture and RDIMM configuration. Servers that require high memory capacity benefit from the dual rank design by maintaining signal integrity while supporting more DIMMs per channel. This allows IT teams to future-proof their infrastructure by gradually upgrading memory capacity as workload demands increase.

Advanced Error Correction and Data Integrity

One of the most critical aspects of enterprise memory is error correction. ECC DDR4 modules like the Hynix HMA84GR7DJR4N-WM detect and correct single-bit errors, which are common in high-density memory operations. By automatically correcting these errors, the module ensures uninterrupted system operation and protects against potential data loss. Multi-bit error detection capabilities also alert system administrators to potential hardware issues, enabling proactive maintenance.Registered memory further enhances system stability by buffering control signals, which reduces the electrical load on the memory controller. This allows for consistent performance even when large amounts of memory are installed, ensuring that critical applications remain responsive and reliable under heavy operational loads.

Use Cases in Modern IT Infrastructure

Hynix RDIMM modules are widely used in enterprise servers, high-performance workstations, and data center clusters. Their high capacity, dual rank architecture, and ECC functionality make them suitable for virtualization platforms, large-scale database servers, and computational workloads that demand continuous uptime. Additionally, these modules are ideal for mission-critical applications in finance, healthcare, and cloud computing environments, where both performance and reliability are non-negotiable.Organizations can leverage the 32GB modules to consolidate workloads on fewer servers, reducing hardware footprints while maintaining or improving system performance. The memory’s high speed and low latency ensure that applications running in memory-intensive environments can access data quickly, improving overall efficiency and reducing bottlenecks in critical processes.

Future-Proofing Server Memory Infrastructure

Investing in high-quality RDIMM modules like the Hynix HMA84GR7DJR4N-WM allows organizations to future-proof their server infrastructure. The 32GB capacity per module supports current memory-intensive applications while providing room for growth as workloads expand. Dual rank architecture enables more memory per channel without sacrificing stability, ensuring that servers remain capable of handling increased demands over time.In addition, the DDR4 standard ensures compatibility with emerging server platforms and technologies, allowing for flexible upgrades and seamless integration into existing infrastructure. Organizations benefit from both immediate performance gains and long-term scalability, making these modules a cost-effective and strategic choice for enterprise IT planning.