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

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

The Supermicro MEM-DR532L-SL01-ER64 is a premium DDR5 RDIMM memory module designed for high-performance servers and enterprise computing environments. Featuring ECC error correction, registered architecture, and ultra-fast 6400MHz speed, this 32GB DDR5 module provides reliable performance and superior data integrity for critical workloads.

General Information

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

Technical Specifications

• Total Capacity: 32GB
• Memory Type: DDR5 SDRAM
• Rank Structure: Dual Rank X8 (2Rx8)
• Memory Speed: DDR5-6400
• Bandwidth Rating: PC5-51200
• CAS Latency: CL22
• Operating Voltage: 1.1V
• Form Factor: 288-Pin RDIMM
• Module Type: ECC Registered DDR5 DIMM
• Designed for High-Performance Server Systems
• Energy-Efficient DDR5 Design
• ECC Data Integrity Support
• Registered DIMM (RDIMM) Design

Shipping Dimensions and Weight

• 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)

Memory Slot and Architecture Support

• DDR5 Registered DIMM (RDIMM) Slots
• ECC Error-Correcting Code Enabled
• 288-Pin DDR5 DIMM Interface
• Dual Rank X8 (2Rx8) Memory Configuration

Important Compatibility Notes

• DDR5 RDIMM is not compatible with UDIMM or LRDIMM slots
• ECC support requires ECC-enabled CPU and motherboard
• Maximum supported memory speed depends on CPU and BIOS version
• Always verify the motherboard QVL for validated memory support

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 a part of the advanced DDR5 RDIMM memory category, designed specifically for enterprise-grade server environments. This category is focused on high-performance memory modules that offer exceptional reliability, speed, and data integrity, catering to applications that demand sustained workloads, such as virtualization, cloud infrastructure, in-memory databases, and high-performance computing.

32GB Capacity and Dual Rank X8 Configuration

The 32GB memory capacity of the MEM-DR532L-SL01-ER64 strikes a balance between scalability, cost efficiency, and performance for enterprise servers. In professional server deployments, 32GB modules allow administrators to achieve high total system memory across multiple DIMM slots without overloading channels, providing an ideal configuration for virtualization, database management, and analytics workloads. The dual rank X8 configuration further enhances memory performance and efficiency. Dual rank memory modules enable interleaved access between two ranks, improving memory controller utilization and increasing effective bandwidth. This interleaving reduces idle cycles during memory transactions, optimizing performance for multi-threaded server applications.

Dual Rank Advantages for Enterprise Applications

Dual rank memory provides the memory controller with additional scheduling flexibility, allowing the system to alternate between ranks efficiently. This capability improves throughput in multi-core and multi-threaded workloads, particularly in virtualization, cloud computing, and high-performance computing environments where concurrent memory requests are common. The dual rank design also optimizes ECC performance, ensuring single-bit error correction and multi-bit error detection remain consistent across all memory cells. The MEM-DR532L-SL01-ER64 utilizes this architecture to deliver stable, high-performance operation in critical server environments.

DDR5 6400MHz Speed and PC5-51200 Bandwidth

Operating at 6400MHz, the MEM-DR532L-SL01-ER64 provides high-speed data transfer rates in line with PC5-51200 standards, delivering up to 51.2GB/s of theoretical bandwidth per module. This high bandwidth is essential for enterprise servers running data-intensive applications, enabling faster access to large datasets and reducing bottlenecks in memory-intensive processes. DDR5 architecture introduces multiple enhancements, including increased burst length, improved bank grouping, and higher prefetching efficiency. These innovations allow for more data to be transferred per clock cycle, making high-frequency modules like the MEM-DR532L-SL01-ER64 particularly effective in workloads requiring rapid memory access, such as real-time analytics, AI/ML inference tasks, and high-performance computing.

PC5-51200 Standardization and Enterprise Validation

The PC5-51200 specification ensures JEDEC compliance, providing a reliable baseline for performance, interoperability, and long-term stability. Standardization is critical for enterprise servers, which often deploy hundreds or thousands of DIMMs across multiple systems, requiring consistent behavior and predictable memory performance. The MEM-DR532L-SL01-ER64 has been validated on Supermicro server platforms, ensuring compatibility with supported processors, chipsets, and BIOS firmware. This validation reduces deployment risk, simplifies infrastructure integration, and provides IT administrators with confidence that memory modules will perform consistently in demanding environments.

Low Latency CL22 Timing

Latency is a key consideration alongside frequency for memory performance. The MEM-DR532L-SL01-ER64 operates with a CL22 latency, which balances high-speed operation with efficient access times, ensuring responsive performance for enterprise workloads. While DDR5 modules operate at higher frequencies, architectural enhancements such as dual rank interleaving and optimized channel utilization help maintain effective low latency. Registered DIMMs are engineered to maintain stable latency under sustained and heavy load conditions, providing predictable response times for virtualization, database management, and high-performance computing tasks. CL22 at 6400MHz ensures that data can be retrieved quickly, improving overall system responsiveness and throughput.

Latency in Multi-Socket Architectures

Multi-socket servers often exhibit varying memory latency due to NUMA configurations, channel population, and inter-socket communication. The MEM-DR532L-SL01-ER64 is designed to maintain consistent latency across all ranks and channels, ensuring that multi-core processors can access memory efficiently without delays. This consistent latency is particularly important for workloads that require frequent memory access or high-speed transaction processing, such as virtualization, database queries, and analytical processing. The module’s design ensures balanced performance across processors in multi-socket configurations.

ECC Registered Memory for Data Integrity and Reliability

Error Correcting Code (ECC) functionality is a cornerstone of enterprise-grade memory. The MEM-DR532L-SL01-ER64 detects and corrects single-bit errors while identifying multi-bit errors, protecting critical applications from data corruption and potential system instability. Memory errors can occur due to electrical interference, environmental factors, or component degradation. ECC provides hardware-level error correction to prevent silent data corruption and ensure continuous server operation, which is vital in mission-critical environments such as financial services, healthcare, cloud platforms, and scientific research. Within the DDR5 RDIMM category, ECC memory is standard, distinguishing professional server memory from consumer-grade modules.

Registered DIMM Advantages for Enterprise Systems

Registered DIMMs buffer command and address signals, reducing the electrical load on the memory controller. This buffering allows servers to support more memory modules per channel while maintaining signal integrity and stability. The registered architecture enables scalable high-density memory configurations without compromising reliability. MEM-DR532L-SL01-ER64 leverages this architecture to deliver high-speed DDR5 performance while maintaining ECC protection and predictable operation. Within this category, registered memory is essential for multi-socket servers, high-density virtualization hosts, and data center environments that require high-performance, fault-tolerant memory solutions.

Signal Integrity and Electrical Design Considerations

DDR5 high-frequency operation requires precise electrical design, high-quality PCB materials, and carefully engineered trace layouts to ensure signal integrity. The MEM-DR532L-SL01-ER64 is optimized for stable data transmission even in fully populated channels, minimizing the risk of transient errors. The registered buffer helps stabilize command and address signals, reducing noise and supporting predictable performance. This is particularly important in multi-socket servers where high-density memory populations can otherwise cause signal degradation and system instability.

1.1V Operation

The MEM-DR532L-SL01-ER64 operates at 1.1 volts, reflecting DDR5’s improved power efficiency over previous memory generations. Lower voltage operation reduces heat generation and overall energy consumption, contributing to lower operational costs in data center environments while supporting longer component lifespan. DDR5 modules also feature on-module power management, allowing fine-grained voltage control, reducing electrical noise, and improving system stability. These features ensure that high-frequency operation remains reliable even under sustained workloads. Power efficiency is a critical consideration in enterprise memory, affecting cooling requirements, energy usage, and total cost of ownership for large-scale server deployments.

Thermal Performance for Continuous Operation

Enterprise servers are expected to operate continuously under heavy loads, making thermal stability crucial. The MEM-DR532L-SL01-ER64 is engineered to operate efficiently within standard server airflow conditions, providing consistent performance without requiring additional cooling solutions. Efficient voltage regulation and low thermal output reduce stress on both memory modules and surrounding components, enhancing reliability and supporting long-term uptime. Thermal stability is a key factor in the DDR5 RDIMM category, complementing ECC and registered design to ensure mission-critical server stability.

Platform and Validation

The MEM-DR532L-SL01-ER64 is validated for use with Supermicro server platforms supporting DDR5 ECC registered memory. Platform validation ensures compatibility with memory controllers, chipsets, and BIOS firmware, reducing deployment risk and simplifying integration. Validated modules provide predictable performance across multiple systems and deployments, which is crucial for enterprises managing large-scale infrastructure. In this category, validated and platform-certified memory ensures reliability, interoperability, and streamlined management for professional IT deployments.

High-Core-Count Processor

Modern servers feature processors with increasing core counts and memory channel requirements. The MEM-DR532L-SL01-ER64, with its 6400MHz speed and dual rank architecture, ensures sufficient bandwidth and stability to fully utilize high-core-count CPUs without memory bottlenecks. This support is critical for virtualization, AI/ML workloads, in-memory databases, and high-performance computing, allowing processors to operate at their full potential without being limited by memory performance. Within this category, memory modules are optimized for compatibility with current-generation enterprise processors, ensuring high system efficiency.

Enterprise Workload

The MEM-DR532L-SL01-ER64 is optimized for demanding enterprise workloads, including virtualization, cloud computing, database management, analytics, and high-performance computing. Its combination of 32GB capacity, 6400MHz speed, low-latency CL22 timing, and ECC registered design ensures high-performance operation while maintaining data integrity. Virtualization platforms benefit from large, reliable memory that can support multiple VMs efficiently. Databases leverage high bandwidth and ECC protection to ensure consistent transaction processing. High-performance computing and analytics tasks demand both speed and stability, which this module provides.

Scalability and Data Center Deployment

Scalability is a key requirement for modern data centers. The 32GB dual rank configuration allows multiple DIMMs per channel without compromising signal integrity, enabling high-density memory configurations in enterprise servers. Scalable RDIMM memory ensures uniform performance across multiple servers, supporting workload balancing and efficient resource utilization in virtualization and cloud computing environments. Within the category, scalability, reliability, and predictable performance are essential for mission-critical infrastructure.

Supermicro Quality Assurance

Supermicro applies rigorous quality assurance and testing to all memory modules. The MEM-DR532L-SL01-ER64 undergoes electrical, thermal, and long-term stress testing to ensure compliance with specifications and consistent performance under high workloads. Components are carefully selected, with DRAM sourced from reputable manufacturers and tested for reliability. Firmware and BIOS compatibility are verified for seamless integration with supported Supermicro platforms. Long-term lifecycle support ensures that these modules are available for several years, allowing enterprises to maintain standardized configurations and plan expansions or replacements with confidence.

Long-Term Enterprise Deployment

Memory modules in this category are designed for extended lifecycle support, providing predictable performance and long-term availability. Enterprises can plan upgrades, replacements, and expansions without concern for compatibility issues, ensuring infrastructure stability. The MEM-DR532L-SL01-ER64 exemplifies the enterprise-focused design approach, supporting scalable, high-density, and high-performance server deployments over multiple years.

Strategic Role in Server Infrastructure

The Supermicro MEM-DR532L-SL01-ER64 is a strategic component for enterprise-grade server infrastructure, offering high-speed DDR5 performance with ECC protection, low-latency access, dual rank X8 organization, and energy-efficient operation. Its validated platform compatibility and high reliability make it ideal for mission-critical workloads, including virtualization, cloud computing, in-memory databases, and high-performance analytics.