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

Highlights of Supermicro MEM-DR532L-SL05-ER48 32GB DDR5

The Supermicro MEM-DR532L-SL05-ER48 is a dependable DDR5 RDIMM memory module built for enterprise servers and professional computing environments. With ECC protection, registered signal processing, and stable performance at 4800MHz, this 32GB DDR5 memory ensures reliability for mission-critical workloads.

General Information

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

Technical Specifications

• Total Capacity: 32GB
• Memory Technology: DDR5 SDRAM
• Rank Structure: Dual Rank (2Rx8)
• Memory Speed: DDR5-4800
• Bandwidth Rating: PC5-38400
• CAS Latency: CL40
• Operating Voltage: 1.2V
• Stable DDR5 Power Management
• Registered DIMM (RDIMM) Architecture

Physical Design and Form Factor

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

Packaging Dimensions and Shipping Weight

• Package Height: 2.00 Inches
• Package 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 PC5-38400

The Supermicro MEM-DR532L-SL05-ER48 32GB DDR5 4800MHz PC5-38400 ECC Registered 2Rx8 CL40 1.2V SDRAM 288-Pin RDIMM Memory Module for Server is part of a specialized category of enterprise-grade DDR5 registered memory designed to deliver stability, scalability, and predictable performance in professional server environments. This category focuses on memory solutions engineered for sustained workloads, multi-socket platforms, and mission-critical applications where reliability and data integrity are essential operational requirements.

32GB Capacity and 2Rx8 Dual Rank Organization

The 32GB capacity of this DDR5 RDIMM module provides a practical building block for scalable server memory configurations. In enterprise deployments, memory capacity planning is closely tied to workload requirements, processor capabilities, and system architecture. A 32GB module allows administrators to populate servers with sufficient memory density without overloading individual memory channels. The 2Rx8 dual rank organization enhances memory efficiency by allowing the memory controller to alternate access between two ranks. This rank interleaving can improve effective bandwidth utilization and reduce idle cycles during memory transactions.

Impact of Dual Rank Design on Server Performance

Dual rank memory modules provide the memory controller with additional scheduling flexibility. By alternating between ranks, the controller can better hide memory access latency and improve throughput during sustained workloads. This behavior is particularly important in server environments where multiple processes or virtual machines generate parallel memory requests. The 2Rx8 organization also aligns well with ECC functionality, ensuring reliable error detection and correction across all memory cells. This combination of performance optimization and reliability makes dual rank DDR5 RDIMMs a preferred choice in enterprise server architectures.

DDR5 4800MHz Speed and PC5-38400 Bandwidth

The Supermicro MEM-DR532L-SL05-ER48 operates at a data rate of 4800MHz, conforming to the PC5-38400 specification. This provides a theoretical bandwidth of up to 38.4GB/s per module, representing a substantial improvement over DDR4 memory technologies. The increased bandwidth allows modern processors to access data more quickly, reducing memory-related bottlenecks. DDR5 memory architecture introduces doubled burst length and enhanced bank group structure, enabling more efficient data transfers per memory access. At 4800MHz, these architectural improvements translate into smoother data flow for applications that rely heavily on memory throughput.

PC5-38400 Standardization and Platform Consistency

The PC5-38400 designation ensures that this memory module adheres to JEDEC-defined performance and electrical standards. Standardization is critical in enterprise environments, where predictable behavior across systems simplifies deployment, validation, and long-term maintenance. By operating within JEDEC specifications, the MEM-DR532L-SL05-ER48 delivers consistent performance across supported platforms, reducing the risk of incompatibility or unstable operation. This predictability is essential for organizations that deploy large numbers of servers with standardized configurations.

Latency with CL40 Timing

Latency is a key factor in overall memory performance, particularly in applications that require frequent access to small data sets. The CL40 timing of the Supermicro MEM-DR532L-SL05-ER48 represents an optimized balance between operating frequency and access latency. While higher-frequency memory often involves increased latency values, CL40 at 4800MHz delivers responsive performance suitable for enterprise workloads. Registered memory modules are engineered to maintain stable timing characteristics under heavy load. The CL40 latency ensures reliable access patterns that enterprise applications can depend on, especially in environments where memory utilization remains high for extended periods.

Latency Considerations in Multi-Socket Servers

In multi-socket server architectures, memory latency can be influenced by factors such as NUMA configuration, interconnect topology, and memory channel population. DDR5 RDIMMs like the MEM-DR532L-SL05-ER48 are designed to operate reliably in these complex environments. Consistent latency characteristics help ensure balanced performance across processor sockets, reducing the risk of uneven workload distribution. This is particularly important in virtualization and database environments where memory access patterns can significantly impact application responsiveness.

ECC Registered Memory for Data Integrity

Error Correcting Code functionality is a cornerstone of enterprise memory solutions. The Supermicro MEM-DR532L-SL05-ER48 incorporates ECC technology that detects and corrects single-bit memory errors while identifying multi-bit errors before they can cause data corruption or system instability. Memory errors can arise from a variety of sources, including electrical interference, component aging, or environmental factors. In non-ECC memory, these errors may go undetected, leading to silent data corruption or unexpected application failures. ECC memory mitigates these risks by providing hardware-level error protection.

Registered DIMM Advantages in Enterprise Systems

Registered DIMMs enhance system stability by buffering command and address signals between the memory controller and the DRAM chips. This buffering reduces electrical load and allows servers to support more memory modules per channel. The registered architecture is particularly valuable in systems with large memory footprints, where signal integrity becomes increasingly challenging. By maintaining stable signal transmission, RDIMMs enable reliable operation at scale. In this category, registered memory is the preferred choice for enterprise servers, offering superior scalability and reliability compared to unbuffered alternatives.

Signal Integrity and Electrical Design

Operating DDR5 memory at high speeds requires meticulous attention to signal integrity. The MEM-DR532L-SL05-ER48 is built using high-quality PCB materials and carefully engineered trace layouts that minimize noise and signal degradation. The registered buffer plays a central role in stabilizing command and address signals, ensuring clean communication between the memory controller and DRAM chips. This design reduces the likelihood of transient errors and contributes to consistent performance.

Power Characteristics and 1.2V Operation

The Supermicro MEM-DR532L-SL05-ER48 operates at 1.2 volts, aligning with DDR5 power specifications that balance performance and stability. While some DDR5 modules operate at lower voltages, 1.2V operation ensures compatibility with a wide range of server platforms and memory controllers. DDR5 memory introduces on-module power management features that improve voltage regulation and reduce electrical noise. These enhancements contribute to stable operation at high data rates and support long-term reliability. Within this category, power characteristics are carefully managed to ensure consistent performance while controlling heat output and energy consumption.

Thermal Stability in Continuous Server Workloads

Enterprise servers are designed for continuous operation, often running under sustained load for extended periods. Memory modules must therefore maintain stable thermal behavior to avoid performance degradation or component failure. The MEM-DR532L-SL05-ER48 is engineered to operate within standard server airflow environments, relying on efficient power usage and robust design to manage heat effectively. This thermal stability supports long-term reliability in data center deployments. In the DDR5 RDIMM category, thermal performance is closely linked to overall system uptime and operational efficiency.

Supermicro Server Platforms

The Supermicro MEM-DR532L-SL05-ER48 is validated for use with Supermicro server motherboards that support DDR5 ECC registered memory. Validation ensures that the module operates correctly with supported CPUs, chipsets, and BIOS configurations. Platform compatibility is essential in enterprise environments, where standardized hardware configurations simplify deployment and maintenance. Using validated memory modules reduces the risk of incompatibility issues and ensures consistent behavior across systems. Within this category, platform validation is a critical differentiator that reinforces the reliability of enterprise memory solutions.

Modern DDR5-Capable Processors

Modern server processors are designed to leverage the capabilities of DDR5 memory, including higher bandwidth and improved efficiency. The 4800MHz operating speed of this module aligns with the memory controller specifications of many current-generation CPUs. By providing sufficient bandwidth and stable operation, the MEM-DR532L-SL05-ER48 helps ensure balanced system performance, allowing processors to operate at their intended capacity. In this category, alignment between memory performance and CPU capabilities is essential for maximizing overall system efficiency.

Enterprise Workload Applications

The Supermicro MEM-DR532L-SL05-ER48 is well-suited for a wide range of enterprise workloads that demand reliable memory performance. Virtualization environments benefit from ECC protection and consistent bandwidth, allowing multiple virtual machines to share system resources efficiently. Database servers rely heavily on memory for caching, indexing, and transaction processing. The stability and predictability of DDR5 RDIMM memory help maintain data integrity and application responsiveness. General-purpose enterprise servers also benefit from the balanced performance characteristics of this module, supporting file services, application hosting, and infrastructure workloads.

Scalability and Cloud Environments

Virtualized and cloud environments require memory solutions that scale efficiently across multiple servers. The 32GB capacity and registered design of this module support high-density configurations while maintaining stability. Scalability is further enhanced by the ability to populate multiple DIMMs per channel without compromising signal integrity. This allows administrators to tailor memory configurations to workload requirements. Within this category, scalability and reliability are essential attributes for modern IT infrastructure.

Supermicro Quality Assurance

Supermicro applies rigorous quality assurance processes to its memory products. The MEM-DR532L-SL05-ER48 undergoes comprehensive testing to verify electrical performance, thermal behavior, and long-term reliability. Component selection is carefully controlled, with DRAM chips sourced from reputable manufacturers and tested to meet enterprise standards. This ensures consistent quality across production runs. Firmware and BIOS compatibility are also validated to ensure seamless integration with supported platforms.

Long-Term Availability and Enterprise

Enterprise deployments often require consistent component availability over extended periods. The MEM-DR532L-SL05-ER48 is positioned within a lifecycle framework that emphasizes long-term support and availability. This approach simplifies maintenance and expansion, allowing organizations to deploy additional memory modules or replacements without compatibility concerns. Within the DDR5 RDIMM category, lifecycle stability is a key factor that supports long-term infrastructure planning.

Role in Reliable and Scalable Server Design

The Supermicro MEM-DR532L-SL05-ER48 plays a vital role in building reliable and scalable server systems. Its combination of DDR5 4800MHz performance, ECC registered architecture, and enterprise validation makes it a dependable foundation for modern server deployments. By supporting consistent performance and data integrity, this memory module contributes to the resilience and efficiency of enterprise IT environments. Within its category, it represents a balanced and trusted DDR5 RDIMM solution for professional server applications.