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 premium-grade server memory module engineered for enterprise systems that demand reliability, speed, and stability. Designed for data centers, cloud platforms, and mission-critical workloads, this 64GB DDR4 RDIMM delivers consistent performance while maintaining data integrity under heavy workloads.

General Information

• Brand: Supermicro
• Manufacturer Part Number: MEM-DR464L-HL03-ER32
• Product Category: Enterprise Server Memory

Technical Specifications

• Memory Capacity: 64GB
• Module Count: 1 x 64GB DIMM
• Dual Rank Design: 2Rx4
• Memory Type: DDR4 SDRAM
• Bus Speed: 3200MHz
• Bandwidth Rating: PC4-25600 / DDR4-3200AA
• CAS Latency: CL22
• Operating Voltage: 1.2V

Physical and Form Factor Details

RDIMM Form Factor

• Form Factor: 288-Pin RDIMM
• Designed for Server and Workstation Platforms

Shipping and Handling Specifications

• 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 3200MHz PC4-25600 ECC Registered DDR4 RDIMM memory module represents a high-capacity, enterprise-class memory solution engineered specifically for modern server, workstation, and data center environments. This category of DDR4 registered memory is designed to support mission-critical applications that demand exceptional stability, reliability, and performance under continuous operation. With a capacity of 64GB per module and a high-speed 3200MHz frequency, this memory is optimized for scalable architectures that require large memory footprints and consistent throughput.

DDR4 RDIMM memory such as this Supermicro module plays a vital role in enterprise IT infrastructure, where data integrity, uptime, and compatibility are paramount. Registered DIMMs incorporate a register between the DRAM modules and the memory controller, reducing electrical load and enabling support for higher capacities compared to unbuffered memory. This architectural advantage makes RDIMM memory the preferred choice for dual-socket and multi-socket servers running virtualization platforms, database engines, cloud computing stacks, and high-performance computing workloads.

High-Capacity 64GB Module Design for Scalable Systems

The 64GB capacity of the Supermicro MEM-DR464L-HL03-ER32 positions it within the upper tier of DDR4 RDIMM solutions, making it suitable for servers that require dense memory configurations. Large-capacity memory modules are essential for reducing total DIMM count while maximizing available system memory, which in turn improves airflow, power efficiency, and system manageability. This is particularly important in rack-mounted servers and blade systems where physical space and thermal constraints are critical considerations.

By enabling fewer modules to achieve high total memory capacity, this category of 64GB RDIMM memory supports efficient scaling in enterprise servers. Virtualized environments benefit significantly from this approach, as each virtual machine can be allocated sufficient memory resources without overpopulating memory channels. Similarly, in-memory databases and analytics platforms gain the advantage of storing larger datasets directly in RAM, reducing latency and improving overall system responsiveness.

Support for Memory-Intensive Applications

Memory-intensive workloads such as virtualization, enterprise resource planning systems, customer relationship management platforms, and large-scale data analytics rely heavily on high-capacity memory modules. The Supermicro MEM-DR464L-HL03-ER32 category is designed to address these demands by providing ample memory headroom and consistent performance under sustained load. This ensures that applications can scale efficiently as business requirements grow, without encountering memory bottlenecks.

In cloud and hosting environments, high-capacity RDIMM memory allows service providers to consolidate workloads on fewer physical servers. This consolidation leads to improved resource utilization and reduced operational costs while maintaining performance isolation between tenants. The reliability characteristics of ECC registered memory further enhance suitability for such environments.

3200MHz PC4-25600 Performance Characteristics

Operating at a frequency of 3200MHz, the Supermicro MEM-DR464L-HL03-ER32 delivers PC4-25600 bandwidth, which is among the highest standard speeds available for DDR4 RDIMM memory. This performance level enables faster data transfer between the processor and memory, reducing latency and improving throughput for demanding applications. High memory bandwidth is especially beneficial in multi-core CPU architectures, where numerous processing threads simultaneously access memory resources.

The PC4-25600 designation reflects the theoretical maximum bandwidth of the memory module, providing up to 25.6GB per second per channel. When deployed across multiple memory channels in a modern server platform, this results in substantial aggregate memory bandwidth. Such performance is essential for workloads including real-time analytics, high-frequency trading platforms, scientific simulations, and large-scale content delivery systems.

Balanced Speed and Stability for Enterprise Use

While higher memory speeds are often associated with increased performance, enterprise environments require a careful balance between speed and stability. The 3200MHz frequency of this Supermicro RDIMM category is validated for server-grade platforms, ensuring compatibility and long-term reliability. Unlike consumer-grade memory, enterprise DDR4 RDIMM modules undergo extensive testing to verify stable operation at rated speeds under continuous load.

This balance makes the Supermicro MEM-DR464L-HL03-ER32 well-suited for organizations that require predictable performance without sacrificing system integrity. Server administrators can confidently deploy this memory in production environments knowing that it meets stringent quality and compatibility standards.

ECC Registered Architecture for Data Integrity

Error Correcting Code memory is a defining feature of enterprise-class DDR4 RDIMM modules. The Supermicro MEM-DR464L-HL03-ER32 incorporates ECC functionality to detect and correct single-bit memory errors in real time. This capability significantly reduces the risk of data corruption, system crashes, and application failures caused by transient memory faults.

In data centers and enterprise IT environments, even minor data integrity issues can have serious consequences, ranging from application downtime to corrupted databases. ECC memory provides an additional layer of protection, ensuring that critical data remains accurate and reliable throughout system operation. This makes ECC registered memory an essential component for servers running financial systems, healthcare applications, and other mission-critical workloads.

Registered DIMM Advantages in Multi-Socket Systems

The registered design of this memory category includes a buffer that reduces the electrical load on the memory controller. This design enables servers to support more memory modules per channel and achieve higher total capacities. In multi-socket server architectures, where memory scalability is crucial, registered DIMMs offer superior signal integrity and stability compared to unbuffered memory.

By offloading address and command signals to the register, RDIMM memory allows the CPU memory controller to operate more efficiently. This results in improved system stability, especially in configurations with high DIMM counts. The Supermicro MEM-DR464L-HL03-ER32 is engineered to leverage these advantages, making it ideal for enterprise servers with demanding memory requirements.

Dual Rank x4 Configuration and Performance Efficiency

The dual rank x4 architecture of the Supermicro MEM-DR464L-HL03-ER32 contributes to optimized memory performance and reliability. Dual rank memory modules present two sets of memory ranks to the memory controller, allowing for improved interleaving and better utilization of memory channels. This can lead to enhanced effective bandwidth and reduced access latency in supported server platforms.

The x4 DRAM organization further enhances reliability by distributing data across more memory chips. In the event of a memory chip failure, x4-based ECC memory can provide stronger error correction capabilities compared to x8 configurations. This makes the dual rank x4 design particularly well-suited for enterprise environments where data integrity and uptime are critical priorities.

Optimized for Server Chipsets and CPUs

This category of DDR4 RDIMM memory is optimized for compatibility with leading server processors and chipsets from major vendors. Supermicro memory modules are validated against a wide range of server motherboards to ensure seamless integration and reliable performance. This validation process reduces deployment risks and simplifies system upgrades for IT teams.

By adhering to JEDEC standards and maintaining strict quality control, the Supermicro MEM-DR464L-HL03-ER32 ensures consistent performance across supported platforms. This compatibility is essential for enterprise customers who rely on standardized hardware configurations and long-term support.

1.2V Low-Voltage Operation for Energy Efficiency

Operating at 1.2 volts, the Supermicro MEM-DR464L-HL03-ER32 DDR4 RDIMM memory module delivers improved energy efficiency compared to earlier memory generations. Lower operating voltage translates into reduced power consumption and heat generation, which are critical considerations in dense data center environments. Energy-efficient memory helps organizations manage operational costs while supporting sustainability initiatives.

In large-scale deployments, even incremental reductions in power consumption per component can result in significant savings over time. DDR4 memory’s low-voltage design contributes to cooler system operation, potentially extending component lifespan and reducing cooling requirements. This makes the category particularly attractive for data centers focused on optimizing power usage effectiveness.

Thermal Stability in Continuous Operation

Server memory is often subjected to continuous operation under heavy workloads. The low-voltage design of this Supermicro RDIMM category supports thermal stability, helping maintain consistent performance even in high-density configurations. Reduced heat output minimizes the risk of thermal throttling and contributes to overall system reliability.

This thermal efficiency is especially beneficial in rack-mounted servers and blade systems where airflow may be constrained. By operating efficiently within specified thermal envelopes, the Supermicro MEM-DR464L-HL03-ER32 supports reliable performance in demanding enterprise environments.

288-Pin RDIMM Form Factor and DDR4 SDRAM Technology

The 288-pin RDIMM form factor is the standard for DDR4 server memory, ensuring compatibility with modern server motherboards. The Supermicro MEM-DR464L-HL03-ER32 adheres to this standard, allowing for straightforward installation and integration into supported systems. This standardized design simplifies inventory management and system maintenance for IT departments.

As a DDR4 SDRAM module, this memory category benefits from advancements in memory technology that deliver higher speeds, greater capacities, and improved efficiency compared to previous generations. DDR4 SDRAM is widely adopted across enterprise and data center platforms, making it a reliable and future-ready choice for organizations upgrading or expanding their infrastructure.

Seamless Integration with Supermicro Server Platforms

Supermicro memory modules are specifically engineered to complement Supermicro server and motherboard designs. This integration ensures optimal performance, compatibility, and reliability when deployed in Supermicro systems. While also compatible with other supported platforms, using validated Supermicro memory reduces the risk of incompatibility and simplifies support and troubleshooting.

For enterprises standardizing on Supermicro hardware, this category of memory provides a cohesive solution that aligns with system design principles and performance expectations. This alignment is particularly valuable in environments where consistency and predictability are essential.