Supermicro MEM-DR464L-HL01-LR26 DDR4-2666MHz 64GB Memory

Supermicro MEM-DR464L-HL01-LR26 DDR4 ECC Memory 

The Supermicro MEM-DR464L-HL01-LR26 is a high-capacity, enterprise-grade DDR4 server memory module engineered for mission-critical workloads. Designed to deliver consistent performance, stability, and reliability, this 64GB DDR4-2666MHz ECC registered memory is ideal for data centers, cloud infrastructure, virtualization platforms, and high-performance computing environments.

General Information

• Brand Name: Supermicro
• Part Number: MEM-DR464L-HL01-LR26
• Product Type: Server Memory Module

Technical Specifications

Memory Capacity and Configuration

• Total Storage Capacity: 64GB
• Module Configuration: 1 x 64GB
• Rank Structure: 4Rx4

Speed, Latency, and Signal Processing

• Memory Technology: DDR4 SDRAM
• Bus Speed: DDR4-2666MHz / PC4-21300
• CAS Latency: CL19
• Signal Processing: Registered (LRDIMM)

Physical Characteristics and Build Quality

Form Factor and Design

• Form Factor: 288-pin LRDIMM
• High-density layout: Optimized for enterprise server boards

Shipping Dimensions and Weight

• Shipping Height: 1.00 inch
• Shipping Depth: 6.75 inches
• Shipping Weight: 0.20 lb

Supermicro MEM-DR464L-HL01-LR26 64GB Memory Overview 

The Supermicro MEM-DR464L-HL01-LR26 DDR4-2666MHz 64GB PC4-21300 ECC Memory belongs to a high-performance enterprise memory category engineered specifically for modern data centers, cloud infrastructures, virtualization platforms, and enterprise-grade server deployments. This category of server memory focuses on stability, reliability, scalability, and sustained performance under continuous workloads. Designed to meet the demanding requirements of 24/7 operations, DDR4 ECC server memory plays a critical role in maintaining system integrity, data accuracy, and operational continuity across business-critical environments.

As server architectures evolve to support higher core counts, increased virtualization density, and data-intensive applications, memory subsystems must deliver consistent bandwidth and error protection without compromising power efficiency. The DDR4 ECC Registered memory category addresses these challenges by combining higher data transfer rates, lower voltage operation, and advanced error correction mechanisms. Supermicro’s memory modules are validated for compatibility with Supermicro server platforms, ensuring seamless integration and optimal performance across supported systems.

DDR4-2666MHz Performance and PC4-21300 Capabilities

Operating at a frequency of 2666MHz, the Supermicro MEM-DR464L-HL01-LR26 falls within the PC4-21300 specification, enabling high data throughput essential for modern workloads. This memory category is optimized for applications that rely heavily on fast memory access, such as virtualization, database processing, in-memory analytics, enterprise resource planning systems, and high-performance computing workloads. The increased bandwidth ensures that processors can efficiently access data without bottlenecks, improving overall system responsiveness and throughput.

DDR4-2666 memory represents a balanced performance tier that aligns with many enterprise-grade Intel Xeon and AMD EPYC platforms. By supporting higher memory frequencies compared to earlier DDR4 generations, this category allows servers to handle greater concurrency and parallel processing demands. The PC4-21300 rating ensures stable data transfer while maintaining signal integrity across registered DIMM architectures, making it suitable for dense memory configurations in multi-socket server environments.

64GB High-Density Memory for Scalable Server Architectures

The 64GB capacity of this Supermicro DDR4 ECC memory module positions it within a high-density server memory category designed for scalability and future growth. High-capacity DIMMs reduce the number of physical memory slots required to achieve large memory footprints, allowing organizations to scale efficiently without replacing existing hardware. This is particularly valuable in enterprise servers where slot availability and memory channel optimization are critical factors in system design.

High-density memory modules support advanced workloads such as large-scale virtualization clusters, software-defined storage platforms, and memory-intensive databases. By enabling higher memory per CPU socket, this category helps improve virtual machine consolidation ratios and application performance. Supermicro’s 64GB DDR4 ECC memory modules are engineered to maintain stability even when deployed in fully populated memory configurations, ensuring consistent performance across expanding infrastructures.

ECC Registered Memory and Data Integrity Assurance

Error-Correcting Code technology is a defining characteristic of this memory category, providing an essential layer of protection against data corruption. ECC memory detects and corrects single-bit memory errors while identifying multi-bit errors, significantly reducing the risk of system crashes, data loss, and silent data corruption. In enterprise environments where uptime and data accuracy are paramount, ECC memory is a foundational requirement rather than an optional feature.

Registered DIMM architecture further enhances signal stability by reducing the electrical load on the memory controller. This allows servers to support higher memory capacities and more DIMMs per channel without compromising reliability. The combination of ECC and registered design makes this category ideal for mission-critical systems, including financial platforms, healthcare databases, cloud service providers, and enterprise applications where data integrity directly impacts business outcomes.

Reliability for 24/7 Continuous Operation

Server memory in this category is designed for continuous operation under sustained workloads. Unlike consumer-grade memory, enterprise DDR4 ECC registered modules undergo rigorous validation and testing to ensure long-term reliability. The Supermicro MEM-DR464L-HL01-LR26 is built to meet strict quality standards, supporting stable performance in environments where systems must operate continuously without interruption.

This level of reliability is critical for data centers and enterprises that rely on consistent system availability. Memory-related failures can lead to costly downtime, data inconsistency, and service disruptions. By utilizing ECC registered memory from a trusted server hardware manufacturer, organizations can mitigate these risks and maintain operational stability across their IT infrastructure.

Optimized for Supermicro Server Platforms

This memory category is specifically validated for compatibility with Supermicro server and motherboard platforms. Supermicro’s integrated approach to server design ensures that memory modules are tested for optimal performance, thermal behavior, and electrical compatibility within supported systems. This validation process minimizes deployment risks and simplifies system integration for enterprise IT teams.

By choosing memory modules designed and approved for Supermicro servers, organizations benefit from improved firmware compatibility, predictable performance characteristics, and streamlined support. This alignment between memory and server hardware enhances overall system efficiency and reduces the likelihood of compatibility-related issues during deployment or future upgrades.

Seamless Integration with Intel and AMD Server CPUs

The DDR4-2666 ECC registered memory category is compatible with a wide range of enterprise server processors, including Intel Xeon Scalable and AMD EPYC platforms that support DDR4 memory technology. These processors are designed to leverage high-bandwidth memory configurations to maximize performance across multi-threaded and data-intensive workloads.

Supermicro memory modules are engineered to meet the electrical and timing requirements of these platforms, ensuring stable operation at rated speeds. This compatibility allows organizations to deploy memory upgrades confidently, knowing that performance and reliability will be maintained across supported CPU architectures.

Energy Efficiency and Thermal Management Benefits

DDR4 memory technology introduces significant improvements in power efficiency compared to previous generations. Operating at lower voltages, this category of server memory reduces overall power consumption while maintaining high performance levels. Lower power draw translates into reduced heat generation, which is particularly important in densely populated server racks where thermal management is a critical concern.

The Supermicro MEM-DR464L-HL01-LR26 is designed to operate efficiently under sustained workloads, contributing to lower total cost of ownership for enterprise environments. Improved energy efficiency helps organizations reduce cooling requirements, optimize data center power usage effectiveness, and support environmentally responsible IT operations.

High-Density Data Center Deployments

As data centers continue to increase server density, memory modules must deliver consistent performance without excessive thermal output. This memory category is optimized for airflow and thermal stability within standard server chassis designs. The registered DIMM architecture helps maintain signal integrity while reducing thermal stress on the memory controller.

These characteristics make DDR4 ECC registered memory well-suited for high-density deployments where multiple servers operate in close proximity. By maintaining stable temperatures and power efficiency, this category supports scalable infrastructure growth without compromising reliability or performance.

Quality Assurance and Enterprise-Grade Manufacturing Standards

Server memory in this category is manufactured under strict quality control processes to meet enterprise reliability standards. Supermicro memory modules undergo extensive testing for performance, compatibility, and durability. This rigorous validation ensures that each module delivers consistent results in demanding operational conditions.

The focus on quality assurance reduces the risk of early failure and enhances overall system stability. For organizations that prioritize uptime and data integrity, choosing enterprise-grade memory from a reputable manufacturer is essential to maintaining confidence in their infrastructure.

Consistency Across Large-Scale Deployments

In large-scale deployments, consistency is critical for predictable system behavior and simplified management. This memory category provides uniform performance characteristics across multiple servers, enabling standardized configurations and easier troubleshooting. IT teams benefit from reduced variability and improved confidence when deploying memory upgrades across their infrastructure.

Supporting Business Continuity and Operational Excellence

Ultimately, the Supermicro MEM-DR464L-HL01-LR26 DDR4-2666MHz 64GB PC4-21300 ECC Memory category supports business continuity by delivering reliable, high-performance memory solutions for enterprise servers. By combining capacity, speed, error correction, and platform compatibility, this category addresses the core requirements of modern IT environments focused on stability, scalability, and long-term operational excellence.