MEM-DR532L-SL02-ER64 Supermicro 32GB DDR5-6400 ECC RDIMM CL52 Dual Rank x8 RAM

Highlights of Supermicro MEM-DR532L-SL02-ER64 32GB DDR5

The Supermicro MEM-DR532L-SL02-ER64 is a high-speed DDR5 RDIMM memory module engineered for enterprise servers and data-intensive workloads. Delivering exceptional bandwidth, improved signal stability, and advanced error correction, this 32GB DDR5 6400MHz ECC Registered memory is ideal for next-generation computing platforms.

General Information

• Manufacturer: Supermicro
• Part Number: MEM-DR532L-SL02-ER64
• Product Category: Server Memory Module
• Sub Type: DDR5 6400MT/s PC5-51200

Technical Specifications

• Total Storage Capacity: 32GB
• Memory Technology: DDR5 SDRAM
• Rank Structure: Dual Rank (2Rx8)
• Bus Speed: DDR5-6400
• Bandwidth Rating: PC5-51200
• CAS Latency: CL52
• Error Detection and Correction: ECC Enabled
• Signal Processing Type: Registered (RDIMM)
• Operating Voltage: 1.1V

Physical Design and Form Factor

• Form Factor: 288-Pin RDIMM
• Module Type: Registered DIMM
• Designed for DDR5-Compatible Server Platforms

Shipping Dimensions and Weight

• Package Height: 1.00 Inch
• Package Depth: 6.75 Inches
• Shipping Weight: 0.20 lb

Compatibility

Supported Supermicro Platform Series

• X13DEG Series
• X13DEM Series
• X13DPU Series
• X13DRI Series
• X13DSF Series

Compatible Chipset and Platform Architecture

• Intel C741 Server Chipset
• Intel C742 Server Chipset
• Intel C748 Server Chipset

Overview of Supermicro MEM-DR532L-SL02-ER64 6400MT/s Ram

The Supermicro MEM-DR532L-SL02-ER64 32GB DDR5 6400MT/s PC5-51200 Dual Rank X8 ECC Registered 1.1v CL52 SDRAM 288-Pin RDIMM Memory Module belongs to a high-performance category of enterprise-grade DDR5 registered memory designed to meet the demands of modern data centers, cloud infrastructure, and mission-critical server workloads. This category focuses on memory modules that prioritize scalability, signal stability, and data integrity in multi-socket server environments where reliability and sustained performance are essential.

32GB Capacity and Dual Rank X8 Configuration

The 32GB capacity of the Supermicro MEM-DR532L-SL02-ER64 strikes an optimal balance between memory density and system flexibility. In enterprise environments, memory planning often involves scaling capacity across multiple channels and slots to achieve both performance and redundancy. A 32GB RDIMM allows administrators to populate systems efficiently while maintaining room for future expansion. The dual rank X8 configuration plays a significant role in enhancing memory throughput. Dual rank modules allow the memory controller to alternate access between ranks, effectively improving utilization of the memory bus.

DDR5 6400MT/s Speed and PC5-51200 Bandwidth

Operating at 6400MT/s, the MEM-DR532L-SL02-ER64 delivers a substantial leap in memory bandwidth compared to earlier DDR5 and DDR4 modules. With a PC5-51200 rating, this module provides up to 51.2GB/s of theoretical bandwidth per DIMM, enabling processors to access data at unprecedented speeds. This level of throughput is particularly beneficial for CPUs with high core counts that rely on fast memory access to avoid performance bottlenecks. DDR5 technology introduces architectural changes such as increased burst length and improved channel efficiency, allowing more data to be transferred per memory transaction.

Latency Characteristics and CL52 Timing

Memory latency is a critical consideration alongside bandwidth. The CL52 timing of this module reflects the balance between high frequency operation and stable signal integrity. While higher frequencies naturally involve increased latency values, the overall performance benefit of DDR5 6400MT/s often outweighs the impact of raw latency numbers, particularly in parallelized server workloads. Registered memory modules are optimized for stability at high speeds, allowing systems to maintain consistent performance under heavy load. The CL52 timing ensures that the memory operates reliably within JEDEC specifications, providing predictable access times that enterprise applications can depend on.

ECC Registered Design for Data Integrity and Stability

Error Correcting Code functionality is a defining feature of enterprise memory. The Supermicro MEM-DR532L-SL02-ER64 incorporates ECC technology that detects and corrects single-bit memory errors while identifying multi-bit errors before they can compromise system stability. This level of protection is essential in servers that process sensitive data, perform long-running computations, or support critical business operations. Registered DIMMs enhance ECC effectiveness by improving signal integrity between the memory controller and the DRAM chips. The register buffers control signals, reducing electrical noise and enabling higher memory densities and speeds. This architecture is particularly important in multi-socket servers where memory channels may be heavily populated.

Advantages of Registered DIMM Architecture

The registered DIMM architecture allows servers to support more memory modules per channel without compromising stability. By buffering command and address signals, RDIMMs reduce the load on the memory controller, enabling higher total system memory capacities. This capability is crucial for virtualization hosts, database servers, and cloud platforms that require large memory footprints. Compared to unbuffered memory, RDIMMs offer superior scalability and reliability in enterprise systems. While they may introduce slightly higher latency, the trade-off is justified by the ability to deploy larger and more stable memory configurations.

Signal Integrity and Electrical Stability at High Speeds

Operating at 6400MT/s places significant demands on signal integrity. The MEM-DR532L-SL02-ER64 is engineered with advanced PCB design, high-quality materials, and precise trace routing to ensure reliable data transmission at high frequencies. These design considerations help maintain clean signals and reduce the risk of data errors. The registered buffer plays a key role in stabilizing signals, particularly in systems with multiple DIMMs installed per channel. This stability is essential for maintaining consistent performance and preventing intermittent errors that could disrupt workloads.

Thermal Characteristics and Continuous Operation

Enterprise servers are often expected to operate continuously under sustained load. The thermal characteristics of memory modules therefore play a critical role in overall system reliability. The MEM-DR532L-SL02-ER64 is designed to operate within standard server airflow conditions, maintaining stable performance without requiring specialized cooling solutions. Efficient power usage helps minimize heat output, reducing thermal stress on components and extending their operational lifespan. This is particularly important in large-scale deployments where even small efficiency gains can have significant cumulative effects.

Modern Server Platforms

The Supermicro MEM-DR532L-SL02-ER64 is validated for use with Supermicro server motherboards that support DDR5 ECC registered memory. Platform validation ensures that the memory operates correctly with supported CPUs, chipsets, and BIOS configurations, reducing the risk of compatibility issues during deployment. Compatibility is a critical consideration in enterprise environments, where standardized configurations are often deployed at scale. Using validated memory modules simplifies system integration and maintenance, ensuring consistent behavior across multiple servers.

High-Core-Count Processors

Modern server processors feature increasing core counts and advanced memory controllers designed to take advantage of high-speed DDR5 memory. The 6400MT/s speed of the MEM-DR532L-SL02-ER64 aligns with the capabilities of next-generation CPUs, enabling them to access data quickly and efficiently. High-core-count processors place significant demands on memory bandwidth. Insufficient memory performance can lead to underutilized CPU resources. By providing high bandwidth and stable operation, this memory module helps ensure balanced system performance.

Enterprise Workload

The MEM-DR532L-SL02-ER64 is designed to support a wide range of enterprise workloads that require consistent memory performance. Virtualization platforms benefit from high memory bandwidth and capacity, allowing multiple virtual machines to operate efficiently without contention. Database servers rely heavily on memory for caching, indexing, and transaction processing. ECC registered memory ensures data integrity while high-speed DDR5 performance reduces query latency and improves throughput. High-performance computing and analytics workloads also benefit from fast, reliable memory. Large datasets and parallel processing tasks demand both bandwidth and stability, making DDR5 RDIMM memory a critical component.

Cloud Infrastructure and Scalability

Cloud service providers require memory solutions that can scale efficiently across large numbers of servers. The 32GB capacity and registered design of this module support high-density memory configurations that are common in cloud environments. Scalability is enhanced by the ability to populate multiple DIMMs per channel without sacrificing stability. This allows cloud operators to tailor memory configurations to specific workload requirements. Within this category, scalability and reliability are central considerations that influence memory selection.

Quality Assurance and Supermicro Standards

Supermicro applies rigorous quality assurance processes to its memory products. The MEM-DR532L-SL02-ER64 undergoes extensive testing to ensure compliance with electrical, thermal, and performance specifications. This testing helps identify potential issues before deployment, reducing the risk of field failures. Component selection is carefully managed to ensure consistent quality. DRAM chips are sourced from reputable manufacturers and tested to meet enterprise reliability standards. Firmware and BIOS compatibility are also evaluated to ensure seamless integration with supported platforms.

Long-Term Availability

Enterprise deployments often require long-term component availability to support maintenance and expansion over several years. The MEM-DR532L-SL02-ER64 is positioned within a lifecycle framework that emphasizes stability and continuity. This long-term availability simplifies inventory management and reduces the risk of compatibility issues when replacing or expanding memory in existing systems. Within the DDR5 RDIMM category, lifecycle stability is a key differentiator for enterprise-grade memory solutions.

Strategic Role in Modern IT Infrastructure

The Supermicro MEM-DR532L-SL02-ER64 plays a strategic role in modern IT infrastructure by enabling high-performance, reliable memory configurations. Its combination of DDR5 6400MT/s speed, ECC registered architecture, and efficient power usage makes it well-suited for demanding enterprise environments. As workloads continue to grow in complexity and scale, memory modules like this one provide the foundation for resilient and future-ready server systems. Within its category, this module exemplifies the balance of performance, scalability, and reliability that enterprise organizations require.