MEM-DR532L-SL01-ER64 Supermicro 32GB PC5-51200 DDR5-6400MHz 2Rx8 ECC Memory

Highlights of Supermicro MEM-DR532L-SL01-ER64 32GB DDR5

The Supermicro MEM-DR532L-SL01-ER64 is a high-performance DDR5 RDIMM memory module engineered for enterprise servers and mission-critical computing environments. With ECC error correction, registered architecture, and blazing-fast 6400MHz speed, this 32GB DDR5 module ensures reliable performance and data integrity for professional server workloads.

General Information

• Manufacturer: Supermicro
• Model Number: MEM-DR532L-SL01-ER64
• Product Category: Server Memory Module
• Sub Type: DDR5 6400MHz PC5-51200

Technical Specifications

• Total Storage Capacity: 32GB
• Memory Technology: DDR5 SDRAM
• Rank Structure: Dual Rank X8 (2Rx8)
• Memory Speed: DDR5-6400
• Bandwidth Rating: PC5-51200
• CAS Latency: CL22
• Error Detection and Correction: ECC Enabled
• Operating Voltage: 1.1V
• Energy-Efficient DDR5 Design
• Registered DIMM (RDIMM) Architecture
• Optimized for Enterprise Servers and Data Centers

Form Factor and Physical Features

• Form Factor: 288-Pin RDIMM
• Module Type: ECC Registered DDR5 DIMM
• Designed for High-Performance Server Systems

Packaging and Shipping Information

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

Compatibility

Supported Supermicro Server Series

• X13DEG Series
• X13DEM Series
• X13DRI Series
• X13DSF Series
• X13DPG Series

Compatible Chipset Platforms

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

Supported Processor Families

• Intel Xeon Scalable 4th Generation (Sapphire Rapids)
• Intel Xeon Scalable 5th Generation (Emerald Rapids)

Overview of Supermicro MEM-DR532L-SL01-ER64 6400MHz Ram

The Supermicro MEM-DR532L-SL01-ER64 32GB DDR5 6400MHz PC5-51200 ECC Registered Dual Rank X8 CL22 1.1V SDRAM 288-Pin RDIMM Memory Module is part of the DDR5 RDIMM category, engineered to deliver top-tier performance, stability, and reliability for modern enterprise server environments. This category emphasizes memory solutions that support mission-critical applications, virtualization platforms, cloud infrastructure, and high-performance computing, where both speed and data integrity are essential. DDR5 RDIMMs, such as the MEM-DR532L-SL01-ER64, represent the next generation of server memory, providing enhanced bandwidth, improved energy efficiency, and advanced architectural features compared to DDR4 memory.

32GB Capacity and Dual Rank X8

The 32GB capacity of the MEM-DR532L-SL01-ER64 enables enterprise servers to achieve high memory density without sacrificing channel population efficiency. In professional deployments, 32GB modules provide an ideal balance between performance, cost, and scalability, making them suitable for a range of workloads from virtualization to in-memory databases and high-performance computing. The dual rank X8 configuration enhances memory performance by allowing the memory controller to interleave access between two ranks. This interleaving increases effective bandwidth and reduces idle cycles during memory transactions. The X8 DRAM organization supports robust ECC functionality and contributes to overall system reliability and stability.

Advantages of Dual Rank Design for Enterprise Workloads

Dual rank memory modules provide additional scheduling flexibility for the memory controller. By alternating between ranks, the controller can optimize memory access patterns, reducing latency and improving sustained bandwidth for multi-threaded workloads. This feature is particularly valuable in virtualized environments, database servers, and high-performance computing systems. The dual rank architecture also complements ECC capabilities by ensuring reliable error detection and correction across all memory cells. The MEM-DR532L-SL01-ER64 leverages this design to provide consistent performance and high reliability under continuous operation.

DDR5 6400MHz Speed and PC5-51200 Bandwidth

Operating at a frequency of 6400MHz, the MEM-DR532L-SL01-ER64 delivers exceptional data transfer rates with a PC5-51200 designation, offering up to 51.2GB/s of theoretical bandwidth per module. This high-speed performance allows servers to handle large datasets efficiently, minimizing memory bottlenecks and ensuring balanced performance for high-core-count processors. DDR5 architecture introduces increased burst length, additional bank groups, and improved channel efficiency. These features enable higher data throughput per memory transaction, making 6400MHz RDIMMs well-suited for enterprise workloads that demand both speed and reliability.

PC5-51200 Standardization and Enterprise

The PC5-51200 standard ensures JEDEC compliance, guaranteeing predictable performance, interoperability, and long-term stability. Standardization simplifies large-scale server deployments and ensures uniform behavior across multiple systems. The MEM-DR532L-SL01-ER64 is validated for Supermicro platforms, ensuring compatibility with supported CPUs, chipsets, and BIOS configurations. This reduces deployment risks and streamlines integration into enterprise IT infrastructure. Within this category, standardized, validated RDIMMs are critical for ensuring performance consistency, reliability, and ease of system management.

Low Latency CL22 Timing

Latency is a critical consideration alongside frequency for memory performance. The MEM-DR532L-SL01-ER64 operates with a CL22 timing, providing low-latency access that complements its high frequency. While higher DDR5 speeds can increase absolute latency, the dual rank architecture and efficient channel utilization help maintain effective response times for enterprise workloads. Registered DIMMs like this module are designed to maintain stable latency under sustained load, providing predictable performance for demanding applications. CL22 timing at 6400MHz ensures responsive access for virtualization, database queries, and real-time analytics.

Latency in Multi-Socket Servers

In multi-socket server architectures, memory latency can vary due to NUMA configurations and channel population. The MEM-DR532L-SL01-ER64 maintains predictable latency across fully populated channels, enabling balanced performance across processors and avoiding memory-induced bottlenecks in multi-threaded workloads. This stability in latency ensures that high-core-count processors can maximize computational throughput, making dual rank RDIMMs particularly effective in virtualized environments and database servers. In the DDR5 RDIMM category, predictable latency is a key factor for reliable enterprise system performance and workload optimization.

ECC Registered Memory for Data Integrity and Reliability

Error Correcting Code (ECC) memory is a defining feature of enterprise-grade RDIMMs. The MEM-DR532L-SL01-ER64 can detect and correct single-bit errors while reporting multi-bit errors, protecting mission-critical workloads from data corruption and system instability. Memory errors caused by environmental factors, electrical interference, or component aging can impact enterprise applications significantly. ECC memory mitigates these risks by providing hardware-level error correction, ensuring reliability for virtualization, database, and high-performance computing tasks. Within the DDR5 RDIMM category, ECC registered memory is a standard for servers handling critical workloads and sensitive data.

Benefits of Registered DIMM Architecture

Registered DIMMs include a register that buffers command and address signals, reducing electrical load on the memory controller. This enables servers to populate multiple memory modules per channel while maintaining signal integrity and stable operation under heavy workloads. The registered architecture is particularly advantageous in multi-socket servers and high-density configurations, allowing for scalable memory deployments without compromising reliability. The MEM-DR532L-SL01-ER64 exemplifies these benefits, delivering high-speed DDR5 performance with ECC protection in a stable and scalable design.

Signal Integrity and Electrical Design

High-frequency DDR5 operation requires meticulous PCB design, quality materials, and precise trace layouts to ensure signal integrity. The MEM-DR532L-SL01-ER64 is engineered for stable data transmission, even in fully populated, high-density server configurations. The registered buffer stabilizes command and address signals, reducing electrical noise and mitigating the risk of transient errors. This design is essential for enterprise-grade memory, where predictable operation under sustained load is critical. Signal integrity is a defining feature of the DDR5 RDIMM category and distinguishes professional server memory from consumer-grade alternatives.

1.1V Operation

The MEM-DR532L-SL01-ER64 operates at 1.1 volts, reflecting DDR5’s improved power efficiency. Low voltage operation reduces heat output, improves energy efficiency, and supports longer component lifespan, all of which are crucial in high-density data center deployments. DDR5 memory also integrates on-module power management, enabling precise voltage control and reducing electrical noise. These features help maintain consistent operation at high frequencies, supporting reliability and longevity. Power efficiency is a key attribute within the DDR5 RDIMM category, contributing to reduced energy consumption and improved total cost of ownership for enterprise servers.

Thermal Performance and Continuous Operation

Enterprise servers are often expected to run continuously under full load, making thermal stability a critical design consideration. The MEM-DR532L-SL01-ER64 is optimized to operate efficiently within standard server airflow conditions, maintaining stable performance without requiring specialized cooling solutions. Reduced thermal output and efficient voltage regulation minimize stress on memory components, enhancing operational reliability and supporting long-term server uptime. Within this category, thermal management is an integral factor that complements ECC and registered architecture for mission-critical system stability.

Platform Enterprise Validation

The MEM-DR532L-SL01-ER64 is validated for Supermicro server platforms that support DDR5 ECC registered memory. Platform validation ensures compatibility with processor memory controllers, chipsets, and BIOS firmware, simplifying integration and reducing deployment risks. Enterprise-grade validation provides administrators with confidence that memory modules will perform predictably across multiple servers and deployment scenarios, which is critical in large-scale infrastructure projects. Within the DDR5 RDIMM category, validated memory is a differentiator that guarantees reliability, interoperability, and ease of system management.

High-Core-Count Processor

Modern servers feature processors with increasing core counts and memory channel requirements. The MEM-DR532L-SL01-ER64, with its high frequency and dual rank architecture, provides sufficient bandwidth and stability to maximize processor utilization, avoiding memory-induced performance bottlenecks. Support for high-core-count CPUs ensures that enterprise workloads, including virtualization, AI, analytics, and HPC applications, can leverage full computational potential. In this category, memory modules are optimized to match modern CPU architectures and maintain system efficiency under demanding workloads.

Enterprise Workload

The MEM-DR532L-SL01-ER64 is suitable for diverse enterprise workloads, including virtualization, cloud computing, database management, high-performance computing, and analytics. Its combination of 32GB capacity, 6400MHz frequency, low-latency CL22 timing, and ECC registered design delivers high performance while ensuring data integrity. Virtualization platforms benefit from large, reliable memory modules that support multiple VMs efficiently. Databases leverage high bandwidth and ECC protection to maintain consistent response times and protect transactional data. HPC and analytics workloads require both speed and stability, making DDR5 RDIMMs an ideal solution for sustained computational tasks.

Scalability and Data Center Deployment

Scalability is essential in enterprise deployments. The 32GB dual rank configuration of this module allows multiple DIMMs per channel without compromising signal integrity, enabling high-density memory configurations for data center servers. Scalable RDIMM memory supports uniform performance across servers, facilitating workload balancing and resource allocation for virtualization, cloud services, and analytics platforms. Within the DDR5 RDIMM category, scalability, reliability, and consistent performance are fundamental attributes for mission-critical enterprise memory solutions.

Supermicro Quality Assurance

Supermicro ensures high quality through rigorous testing and validation of its memory modules. The MEM-DR532L-SL01-ER64 undergoes electrical, thermal, and long-term stress testing to guarantee compliance with specifications and consistent performance under heavy workloads. Components are carefully selected, with DRAM chips sourced from reputable manufacturers and tested for reliability. BIOS and firmware compatibility are verified for seamless integration with supported Supermicro platforms. Long-term lifecycle support ensures availability for several years, allowing enterprises to maintain standardized memory configurations and simplify infrastructure management.

Enterprise Deployment

Memory modules in this category are designed to support extended lifecycle deployments. Consistent availability and validated performance allow IT administrators to confidently plan expansions, replacements, and upgrades without introducing compatibility issues. The MEM-DR532L-SL01-ER64 exemplifies this enterprise-focused approach, supporting high-density, high-performance server infrastructure over time.

Strategic Role in Modern Server Infrastructure

The Supermicro MEM-DR532L-SL01-ER64 plays a strategic role in modern high-performance server infrastructure by delivering reliable DDR5 RDIMM performance with ECC protection, low latency, and high-frequency operation. Its dual rank X8 configuration, validated platform compatibility, and energy-efficient 1.1V operation make it an indispensable component for enterprise servers handling mission-critical workloads. Within its category, this memory module represents a balanced solution for scalable, reliable, and high-performance enterprise server deployments, ensuring system stability, data integrity, and optimized memory throughput.