MEM-DR464L-HL03-ER32 Supermicro 64GB DDR4 3200MHz Pc4-25600 Ecc Rdimm

Supermicro MEM-DR464L-HL03-ER32 64GB DDR4 Memory

The Supermicro MEM-DR464L-HL03-ER32 is a high-capacity, enterprise-grade DDR4 server memory module engineered for demanding workloads, data centers, and mission-critical systems. With advanced error correction, registered signal processing, and optimized performance, this 64GB RDIMM delivers exceptional reliability, speed, and efficiency for modern server architectures.

General Information

• Brand: Supermicro
• Manufacturer Part Number: MEM-DR464L-HL03-ER32
• Product Category: Server Memory Module
• Memory Solution Type: Enterprise DDR4 SDRAM

Technical Specifications

• Total Memory Capacity: 64GB
• Module Configuration: 1 x 64GB DIMM
• Rank Structure: Dual Rank (2Rx4)
• Memory Speed: 3200MHz
• Bandwidth Rating: PC4-25600 / DDR4-3200AA
• CAS Latency: CL22
• Error Correction: ECC (Error-Correcting Code)
• Signal Type: Registered (RDIMM)
• Improved Stability: Ideal for enterprise and server platforms

Physical and Form Factor Characteristics

• Form Factor: 288-Pin RDIMM
• Operating Voltage: 1.2V
• Shipping Height: 1.00 inch
• Shipping Depth: 6.75 inches
• Shipping Weight: 0.20 lbs

Supermicro MEM-DR464L-HL03-ER32 64GB Memory Overview

The Supermicro MEM-DR464L-HL03-ER32 64GB DDR4 RDIMM memory module belongs to the enterprise-grade server memory category, specifically designed to support mission-critical workloads that demand reliability, scalability, and sustained performance. This category of DDR4 Registered DIMM memory is widely used in data centers, enterprise servers, cloud infrastructures, virtualization platforms, and high-performance computing environments where memory integrity and consistency are essential. As part of the DDR4 SDRAM ecosystem, this memory category benefits from improved bandwidth efficiency, reduced power consumption, and higher density compared to previous DDR3 generations.

Registered DIMM memory introduces a register between the memory controller and DRAM chips, allowing systems to support a higher number of memory modules without signal integrity issues. This architectural advantage makes RDIMM memory ideal for dual-socket and multi-socket server platforms. The Supermicro 64GB 3200MHz RDIMM module exemplifies this category by offering a balance of capacity, speed, and stability that aligns with modern server architecture requirements.

DDR4 SDRAM Technology and Performance Advantages

DDR4 SDRAM technology represents a significant evolution in server memory design, delivering higher data transfer rates and improved power efficiency. Operating at 3200MHz with a PC4-25600 bandwidth rating, this memory category supports faster data access and improved throughput for demanding enterprise applications. The increased frequency allows processors to fetch and store data more efficiently, which directly impacts application responsiveness and system-level performance.

The CL22 latency rating within this DDR4 category reflects optimized timing characteristics suitable for enterprise workloads where consistency and stability are prioritized over ultra-low latency tuning. DDR4 memory also incorporates advanced error detection and correction mechanisms that enhance system reliability, a critical factor in always-on server environments.

ECC Registered Memory for Data Integrity

Error Correcting Code Registered memory defines a crucial subcategory within enterprise memory solutions. ECC functionality ensures that single-bit memory errors are automatically detected and corrected in real time, significantly reducing the risk of data corruption, system crashes, or silent data errors. This feature is indispensable in servers running databases, virtualization platforms, financial applications, and large-scale analytics workloads.

The Supermicro MEM-DR464L-HL03-ER32 module leverages ECC technology combined with registered buffering to deliver superior signal stability and error resilience. This ECC RDIMM category is widely deployed in environments where uptime, data accuracy, and system reliability are non-negotiable requirements.

Registered Buffering and Signal Stability

Registered memory incorporates a buffer that reduces electrical load on the memory controller, allowing systems to populate more DIMM slots without compromising performance. This design characteristic is a defining feature of the RDIMM category and enables enterprise servers to scale memory capacity efficiently. The buffering mechanism ensures consistent signal timing, which is essential for high-density configurations using large-capacity modules such as 64GB DIMMs.

By stabilizing command and address signals, registered memory enhances overall system reliability and reduces the likelihood of data transmission errors, especially in multi-channel and multi-DIMM configurations common in modern server architectures.

High-Capacity 64GB Memory Modules for Scalable Systems

The 64GB capacity classification places this Supermicro memory module within the high-density memory category, suitable for memory-intensive workloads such as virtualization, in-memory databases, AI model training, and large-scale enterprise applications. High-capacity modules reduce the total number of DIMMs required to reach target memory configurations, optimizing airflow, power efficiency, and system manageability.

Using fewer, higher-capacity RDIMMs allows system architects to design servers with greater memory headroom while preserving expansion options for future growth. This approach aligns with the scalability requirements of modern IT infrastructures, where workloads and data volumes continue to expand rapidly.

Dual Rank Configuration and Performance Optimization

Dual Rank memory architecture is an important performance-enhancing feature within this memory category. A dual rank RDIMM presents two sets of memory banks to the memory controller, allowing better interleaving and improved utilization of the memory bus. This design can lead to enhanced throughput and more efficient memory access patterns compared to single-rank modules.

The dual rank x4 configuration of this Supermicro DDR4 module is particularly well-suited for enterprise server environments, offering a balanced combination of capacity, performance, and reliability. It enables optimized data access while maintaining compatibility with a wide range of server platforms.

DDR4 3200MHz Speed Classification

Memory modules operating at 3200MHz belong to the high-performance tier of DDR4 server memory. This speed classification supports demanding workloads that require fast memory access, such as real-time analytics, virtualization clusters, and high-performance computing applications. The PC4-25600 bandwidth rating reflects the module’s ability to deliver up to 25.6GB/s of theoretical throughput per module.

In enterprise systems, higher memory frequency contributes to reduced bottlenecks between the CPU and memory subsystem. This improvement is particularly noticeable in multi-core processors where simultaneous memory access requests can saturate slower memory configurations.

Latency Considerations and Workload Balance

CAS latency plays a crucial role in memory performance, especially in server environments where predictable behavior is more important than raw speed. The CL22 timing of this DDR4 RDIMM memory category strikes a balance between frequency and latency, ensuring stable operation across a wide range of workloads. This timing profile is optimized for compatibility and reliability in enterprise platforms.

Consistent latency performance supports applications that rely on steady memory access patterns, such as transactional databases, ERP systems, and enterprise resource planning workloads.

Compatibility with Enterprise Server Platforms

The Supermicro MEM-DR464L-HL03-ER32 memory module is engineered for compatibility with a wide range of enterprise-grade server motherboards and platforms. As a DDR4 RDIMM, it is designed to work with server CPUs and chipsets that support registered memory, including modern Intel Xeon and AMD EPYC processor families.

This memory category is commonly deployed in rack servers, blade servers, and tower servers used in enterprise IT environments. Compatibility validation ensures seamless integration with Supermicro server systems as well as other industry-standard server platforms that adhere to JEDEC DDR4 specifications.

JEDEC Compliance and Industry Standards

JEDEC compliance is a critical attribute for enterprise memory modules, ensuring interoperability and reliability across different server architectures. This DDR4 RDIMM category adheres to JEDEC standards for voltage, timing, and signaling, enabling predictable performance and broad compatibility.

Standardized specifications reduce deployment risks and simplify memory upgrades, allowing IT teams to scale systems confidently without compatibility concerns.

Enterprise Use Cases and Application Scenarios

This category of 64GB DDR4 ECC Registered memory is widely used in enterprise applications that demand high reliability and consistent performance. Virtualization environments benefit from large memory pools that support multiple virtual machines with minimal contention. Database servers leverage high-capacity memory to cache large datasets, reducing disk I/O and improving query response times.

In cloud computing infrastructures, scalable memory configurations enable dynamic resource allocation and efficient workload distribution. High-performance computing clusters utilize fast DDR4 memory to support complex simulations, scientific research, and data-intensive analytics workloads.

Virtualization and Cloud Workloads

Virtualization platforms rely heavily on memory capacity and stability. High-density DDR4 RDIMM memory allows hypervisors to allocate sufficient resources to each virtual machine, ensuring consistent performance even under heavy load. ECC functionality further enhances reliability by minimizing the risk of memory-related failures that could impact multiple virtual instances.

Cloud service providers benefit from scalable memory configurations that support multi-tenant environments while maintaining strict performance and reliability standards.

Reliability and Long-Term Stability

Reliability is a defining characteristic of enterprise memory categories. The combination of ECC error correction, registered buffering, and rigorous validation ensures long-term stability under continuous operation. This memory category is designed to operate 24/7 in demanding environments where downtime can result in significant operational and financial impact.

Supermicro memory modules undergo extensive testing to ensure compatibility, performance consistency, and durability. This focus on quality assurance makes them suitable for mission-critical deployments where system reliability is paramount.

Quality Assurance and Validation Processes

Enterprise memory modules are subjected to comprehensive validation processes, including stress testing, thermal cycling, and compatibility verification. These measures ensure that each module meets strict performance and reliability criteria before deployment. Such validation is essential for maintaining system integrity in enterprise environments.

Long-term stability is particularly important for applications that require continuous uptime, such as financial systems, telecommunications infrastructure, and industrial control systems.

Form Factor and Physical Design

The 288-pin RDIMM form factor defines the physical design of this memory category, ensuring compatibility with modern server motherboards. The standardized pin layout and module dimensions facilitate easy installation and secure seating within DIMM slots.

The physical construction of DDR4 RDIMM modules is optimized for signal integrity and thermal performance, supporting stable operation in densely populated server configurations.

Server-Oriented Memory Design

Server memory modules are designed with durability and stability in mind. The PCB layout, component placement, and heat dissipation characteristics are carefully engineered to support sustained workloads. This attention to design detail contributes to the overall reliability of the memory category.

Enterprise-grade memory modules often incorporate higher-quality components compared to consumer-grade alternatives, ensuring consistent performance over extended periods of operation.

Scalability and Future-Proofing

Scalability is a core advantage of the DDR4 RDIMM memory category. High-capacity modules like the 64GB Supermicro MEM-DR464L-HL03-ER32 enable organizations to build systems that can grow with evolving workload demands. By supporting large memory configurations, this category helps extend the useful life of server infrastructure.

Future-proofing IT investments is a key consideration for enterprises. Deploying high-capacity, high-speed DDR4 memory allows organizations to accommodate increasing data volumes and application complexity without frequent hardware refresh cycles.

Memory Expansion Strategies

Strategic memory expansion involves selecting modules that balance capacity, speed, and compatibility. High-density DDR4 RDIMM modules simplify expansion planning by reducing the number of DIMMs required for large memory configurations. This approach improves manageability and reduces potential points of failure.

As enterprise workloads continue to evolve, scalable memory solutions remain a critical component of adaptable and resilient IT infrastructures.