MEM-DR532L-SL05-ER48 Supermicro 32GB DDR5 SDRAM 4800MHz Pc5-4800 ECC RDIMM

Highlights of Supermicro MEM-DR532L-SL05-ER48 32GB Memory

The Supermicro MEM-DR532L-SL05-ER48 is a high-quality DDR5 RDIMM memory module designed specifically for enterprise servers and professional computing systems. With ECC error correction, registered signal buffering, and reliable 4800MHz performance, this 32GB DDR5 memory ensures stability for critical server workloads.

General Information

• Manufacturer Supermicro
• Part Number: MEM-DR532L-SL05-ER48
• Product Type: Memory Module
• Sub Type: DDR5 4800MHz PC5-38400

Technical Specifications

• Total Capacity: 32GB
• Memory Technology: DDR5 SDRAM
• Rank Structure: Dual Rank (2Rx8)
• Operating Voltage: 1.2V
• Memory Speed: DDR5-4800
• Bandwidth Rating: PC5-38400
• CAS Latency: CL40
• Operating Voltage: 1.2V
• Optimized Power Consumption for Servers

Physical Form Factor and Design

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

Packaging Dimensions and Shipping Details

• Shipping Height: 2.00 Inches
• Shipping Depth: 7.00 Inches
• Shipping Weight: 0.20 lb

Compatibility

Supported Supermicro Motherboard 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-SL05-ER48 4800MHz Ram

The Supermicro MEM-DR532L-SL05-ER48 32GB DDR5 4800MHz PC5-38400 ECC Registered 2Rx8 CL40 1.2V SDRAM 288-Pin RDIMM Memory Module is a critical component within the DDR5 RDIMM category of server memory, designed to deliver consistent high performance, stability, and data integrity for enterprise-grade server platforms. This category of memory modules emphasizes reliability, scalability, and the ability to operate under continuous heavy workloads, making it ideal for virtualization, database management, cloud infrastructure, and other demanding professional server environments.

32GB Capacity and Dual Rank 2Rx8 Organization

The 32GB capacity of this module provides a versatile option for enterprise server configurations, enabling organizations to achieve substantial total system memory while maintaining efficient channel population. This capacity is well-suited for mid-to-large scale workloads, where each memory module can support multiple virtual machines, high-speed database operations, or in-memory analytics. The 2Rx8 dual rank architecture further enhances memory performance by allowing the memory controller to interleave access between two ranks.

Dual Rank Advantages for Enterprise Workloads

Dual rank memory modules provide the memory controller with additional scheduling flexibility. By alternating between ranks, the controller can optimize memory access patterns and hide latency, thereby improving sustained bandwidth for server workloads. This characteristic is particularly useful in environments with heavy virtualization, database queries, or parallel computational tasks. Dual rank memory also ensures that ECC error correction can operate effectively across both ranks, maintaining high reliability under continuous load. The MEM-DR532L-SL05-ER48 leverages this advantage to deliver stable and predictable memory performance across enterprise servers.

DDR5 4800MHz Speed and PC5-38400 Bandwidth

Operating at 4800MHz, the MEM-DR532L-SL05-ER48 delivers high-speed performance and is classified as PC5-38400, offering a theoretical bandwidth of 38.4GB/s per module. This enhanced throughput allows modern processors to access large datasets efficiently and ensures balanced performance in systems with high core counts and multi-threaded workloads. The DDR5 architecture provides increased burst lengths and bank groups, enabling more efficient data transfers per memory cycle. By combining these features with the 4800MHz speed, this memory module ensures optimal performance for enterprise workloads, including virtualization, AI/ML inference tasks, in-memory databases, and analytics.

PC5-38400 Standardization

The PC5-38400 specification ensures JEDEC compliance, guaranteeing predictable performance and interoperability across supported platforms. Standardization is crucial in enterprise deployments, where consistent behavior across multiple servers reduces the risk of system instability or memory incompatibility. Modules in this category, including the MEM-DR532L-SL05-ER48, provide a standardized baseline for performance and reliability, simplifying server validation and infrastructure planning. IT administrators can confidently integrate these RDIMMs into large-scale deployments knowing that they meet industry standards for DDR5 memory. Compliance with JEDEC standards is a defining characteristic of the DDR5 RDIMM category and contributes to the module’s reliability, scalability, and future-proofing.

Latency Characteristics and CL40 Timing

Latency plays a critical role in overall system responsiveness, particularly in high-frequency memory modules. The MEM-DR532L-SL05-ER48 operates with a CL40 latency, which balances speed and access efficiency for enterprise workloads. While higher DDR5 frequencies can increase absolute latency, the enhanced bandwidth and improved architectural features of DDR5 mitigate potential performance impacts. Registered memory modules are designed to maintain consistent timing and latency characteristics under heavy load, ensuring that performance remains predictable for professional applications.

Latency in Multi-Socket Server Architectures

In multi-socket servers, latency can be influenced by factors such as NUMA configurations, memory channel population, and inter-socket communication. RDIMMs like the MEM-DR532L-SL05-ER48 are designed to maintain stable latency across all populated channels, enabling efficient multi-threaded processing and workload distribution. Predictable latency in dual rank ECC registered modules ensures that critical workloads, including virtualization, database queries, and analytics pipelines, run without delays or bottlenecks caused by memory inconsistencies.

ECC Registered Memory for Reliability and Data Integrity

Error Correcting Code (ECC) functionality is essential for enterprise memory, providing hardware-level detection and correction of single-bit errors and alerting to multi-bit errors. The MEM-DR532L-SL05-ER48 ensures that critical workloads maintain data integrity, even under sustained high-load operation. Memory errors, whether caused by electrical interference, environmental factors, or component aging, can result in system crashes or silent data corruption. ECC mitigates these risks, protecting both applications and stored data. In mission-critical environments, such as financial computing, healthcare, and scientific research, ECC is indispensable.

Benefits of Registered DIMM Architecture

Registered DIMMs buffer command and address signals between the memory controller and DRAM chips, reducing electrical load and supporting high-density memory configurations. This architecture allows servers to populate multiple memory modules per channel while maintaining signal integrity and operational stability. Registered memory modules are particularly suitable for multi-socket servers, virtualization hosts, and cloud infrastructure environments where large memory capacities and reliable operation are required. The MEM-DR532L-SL05-ER48 exemplifies these benefits, delivering high-speed DDR5 performance within a stable and scalable framework.

Signal Integrity and Electrical Design Considerations

High-speed DDR5 memory requires careful PCB design, quality materials, and precise trace layouts to maintain signal integrity. The MEM-DR532L-SL05-ER48 is engineered to provide clean signal transmission even under high-density and fully populated channel conditions. The registered buffer stabilizes command and address signals, minimizing noise and reducing the likelihood of memory errors. This electrical design is critical in enterprise environments, ensuring consistent and predictable system operation. Within this category, signal integrity is a key differentiator between enterprise-grade RDIMMs and lower-quality consumer memory modules.

1.2V Operation

The MEM-DR532L-SL05-ER48 operates at a voltage of 1.2V, in line with DDR5 specifications that balance power efficiency with performance and stability. Lower voltage operation reduces heat generation, improves energy efficiency, and contributes to longer component lifespans, which is critical in dense server environments. DDR5 memory also incorporates on-module power management, allowing precise voltage regulation and reducing electrical noise. These features support consistent performance and improve the reliability of servers under continuous heavy workloads.

Continuous Operation

Enterprise servers often operate 24/7 under sustained loads, making thermal stability a critical design factor. The MEM-DR532L-SL05-ER48 is designed to operate within standard server airflow environments, maintaining consistent performance without requiring specialized cooling solutions. Efficient voltage regulation and low thermal output reduce stress on the memory components and surrounding circuitry, supporting long-term reliability and reducing the risk of heat-related failures. Within this category, thermal stability complements ECC and registered architecture to ensure dependable operation in mission-critical environments.

Platform with Supermicro Servers

The MEM-DR532L-SL05-ER48 is validated for use with Supermicro server motherboards supporting DDR5 ECC registered memory. Platform validation ensures compatibility with CPU memory controllers, chipsets, and BIOS firmware, reducing deployment risks and simplifying large-scale infrastructure integration. Compatibility and validation are essential in enterprise environments, where standardized server configurations improve reliability, reduce troubleshooting, and support predictable system behavior across multiple deployments. Within the DDR5 RDIMM category, platform validation is a crucial factor that differentiates trusted enterprise memory from generic third-party options.

Modern High-Core-Count Processors

Modern server CPUs with high core counts require fast, reliable memory to achieve optimal performance. The 4800MHz speed of this module aligns with DDR5 memory controller capabilities, providing sufficient bandwidth for multi-threaded applications, virtualization, and data-intensive workloads. By supporting high-speed memory access and stable operation, the MEM-DR532L-SL05-ER48 ensures that processors can utilize their full computational capacity without memory-induced bottlenecks. Within this category, DDR5 RDIMMs are designed to complement modern CPU architectures and support enterprise-grade workloads efficiently.

Enterprise Workload Applications

The MEM-DR532L-SL05-ER48 is ideally suited for a variety of enterprise workloads, including virtualization, database management, cloud infrastructure, analytics, and high-performance computing. Its combination of 32GB capacity, 4800MHz speed, and ECC registered architecture provides both the performance and reliability required for demanding server applications. Virtualization benefits from large, reliable memory modules, enabling multiple virtual machines to operate efficiently. Database servers leverage the module’s high bandwidth and ECC protection to maintain data integrity and optimize transaction processing. Cloud infrastructure deployments rely on scalable memory configurations to support multi-tenant environments and resource-intensive applications.

Scalability and Data Center Deployment

Scalability is a key requirement in modern data centers. The 32GB capacity of this module, combined with the dual rank architecture, allows administrators to populate multiple DIMMs per channel and achieve high total memory capacities without compromising stability. Scalable RDIMM memory facilitates uniform performance across servers and enables flexible deployment strategies for virtualization, cloud services, and analytics platforms. Within this category, scalability, reliability, and performance consistency are critical attributes for enterprise-class memory solutions.

Supermicro Quality Assurance

Supermicro ensures the quality and reliability of its memory products through rigorous testing and validation processes. The MEM-DR532L-SL05-ER48 undergoes electrical, thermal, and long-term stress testing to guarantee compliance with specifications and consistent performance under demanding conditions. Components are selected for reliability, with DRAM chips sourced from reputable manufacturers and tested for consistency. Firmware and BIOS compatibility are verified to ensure seamless integration with supported server platforms. Lifecycle support ensures long-term availability, allowing enterprises to maintain standardized memory configurations across hardware refresh cycles without concern for compatibility or obsolescence.

Enterprise Deployment

Memory modules in this category are designed to support enterprise lifecycles, offering availability and reliability for several years. This facilitates standardized deployments, predictable maintenance, and streamlined replacement strategies. The MEM-DR532L-SL05-ER48 exemplifies this commitment to long-term support, enabling IT administrators to confidently deploy, expand, and maintain their server infrastructure.

Strategic Role in Server Infrastructure

The Supermicro MEM-DR532L-SL05-ER48 is a strategic component for modern high-performance server infrastructure, delivering reliable DDR5 RDIMM performance with ECC protection, efficient power usage, and validated platform compatibility. Its combination of speed, capacity, latency optimization, and dual rank design ensures enterprise servers can handle demanding workloads efficiently and reliably. Within its category, this memory module represents a balanced solution for scalable, high-performance, and mission-critical server deployments, supporting IT infrastructure goals while maintaining data integrity and system stability.