MEM-DR532MD-ER48 Supermicro 32GB DDR5-4800 PC5-38400 2RX8 ECC RAM

Highlights of Supermicro MEM-DR532MD-ER48 32GB 4800MT/s

The Supermicro MEM-DR532MD-ER48 is a high-efficiency DDR5 RDIMM memory module designed for enterprise-grade servers. It delivers superior speed, robust reliability, and advanced error correction, making it ideal for virtualization, cloud computing, and mission-critical server workloads.

General Information

• Manufacturer: Supermicro
• Part Number: MEM-DR532MD-ER48
• Product Type: Server Memory Module
• Sub Type: DDR5 PC5-38400 RDIMM

Technical Specifications

• Memory Size: 32GB
• Module Count: 1 × 32GB
• Rank Structure: Dual Rank (2Rx8)
• Form Factor: 288-Pin RDIMM
• Memory Voltage: 1.2V
• Memory Technology: DDR5 SDRAM
• Memory Speed: 4800 MT/s
• Bandwidth: PC5-38400 / DDR5-4800
• CAS Latency: CL40

Shipping and Packaging Details

• Shipping Height: 1.00 inch
• Shipping Depth: 6.75 inches
• Shipping Weight: 0.20 lb

Compatibility

Supported Server Platforms

• Supermicro servers equipped with DDR5 RDIMM memory slots
• Intel Xeon Scalable processors (4th and 5th Generation) supporting DDR5
• AMD EPYC 9004 Series platforms with DDR5 memory support
• Enterprise rack, tower, and blade server systems

Motherboard Requirements

• 288-pin DDR5 RDIMM memory slot support
• ECC-enabled memory architecture
• Registered (buffered) memory support
• Support for DDR5-4800 / PC5-38400 memory speed
• Dual-rank (2Rx8) memory configuration acceptance

Overview of Supermicro MEM-DR532MD-ER48 DDR5 PC5-38400

The Supermicro MEM-DR532MD-ER48 32GB DDR5 4800MT/s PC5-38400 2Rx8 ECC SDRAM RAM belongs to a specialized category of enterprise-grade DDR5 memory designed for high-performance server and data center environments. This category represents a significant evolution from DDR4 memory, offering higher bandwidth, improved power efficiency, and advanced reliability features that are essential for modern computing workloads. Servers and data centers increasingly rely on fast and dependable memory to ensure smooth operation of virtualization platforms, in-memory databases, AI workloads, and cloud-native applications.

DDR5 4800MT/s Architecture and Performance Features

DDR5 memory introduces substantial architectural improvements over DDR4, and the 4800MT/s speed grade represents an important balance of performance, efficiency, and stability. This category leverages DDR5’s increased burst lengths, improved bank groups, and enhanced channel efficiency to deliver higher sustained memory bandwidth. The PC5-38400 designation reflects a theoretical peak bandwidth of 38.4 GB/s per module, which is critical for multi-threaded and memory-intensive applications. In server environments, where multiple cores operate concurrently, the memory subsystem must provide rapid and consistent access to large volumes of data.

Impact of High Bandwidth on Enterprise Workloads

The increased bandwidth provided by DDR5 4800MT/s memory is particularly beneficial for applications that require large-scale data movement, such as analytics platforms, database servers, and AI inference engines. In these environments, memory performance directly affects transaction processing speed, query response times, and real-time computation efficiency. By deploying memory from this category, organizations can achieve faster throughput, lower latency, and improved workload efficiency. High-bandwidth memory also supports advanced server features such as large CPU cache utilization, faster data prefetching, and enhanced parallel task execution, all of which contribute to optimized enterprise performance.

ECC SDRAM for Data Integrity and Reliability

Error-correcting code (ECC) is a defining characteristic of this server memory category, offering a critical layer of data protection for enterprise workloads. ECC memory continuously monitors stored data and automatically corrects single-bit errors, preventing silent data corruption that could lead to application crashes or incorrect results. In mission-critical systems, ECC ensures the integrity of computations, database transactions, and real-time analytics. This category integrates ECC with DDR5 architecture, delivering reliable operation under continuous load. ECC functionality is indispensable in servers running 24/7, as even minor memory errors can accumulate over time and negatively impact system stability.

Role of ECC in Server Stability

ECC memory is particularly vital for enterprise applications such as financial services, healthcare systems, and scientific computing, where errors can result in costly operational consequences. This category of DDR5 ECC memory is engineered to maintain predictable performance even under intensive multi-threaded workloads, ensuring that critical systems remain operational without interruption. By preventing data corruption at the memory level, ECC reduces the need for software-level error handling and enhances overall system reliability, providing organizations with confidence in their computing infrastructure.

2Rx8 Dual Rank Memory Configuration

The dual-rank (2Rx8) design is a key feature of this DDR5 memory category, improving memory access efficiency and throughput. Each module contains two memory ranks, allowing the memory controller to interleave operations across ranks and reduce idle cycles. This interleaving enhances effective bandwidth and improves performance consistency, especially in multi-core and multi-threaded server workloads. Dual-rank memory also provides greater flexibility for populating memory channels in multi-socket servers, enabling administrators to scale capacity without sacrificing system performance. By distributing memory access evenly across ranks, this category ensures balanced utilization of available bandwidth and reduces latency variability.

Memory Interleaving and Throughput

Interleaving memory operations across dual ranks allows the CPU to access data from one rank while the other rank is being refreshed, resulting in continuous data flow and higher effective throughput. This feature is especially beneficial in environments with high concurrency, such as virtualization platforms and large-scale cloud deployments. This category supports sophisticated interleaving strategies that maximize memory efficiency and minimize performance bottlenecks. Proper rank utilization enhances memory subsystem performance, making dual-rank modules an essential choice for servers requiring both high capacity and high-speed operation.

X8 DRAM Organization Standards

The x8 DRAM organization of the MEM-DR532MD-ER48 module is an industry-standard configuration that balances performance, reliability, and compatibility. X8 DRAM chips are designed to work efficiently with ECC logic, ensuring that error detection and correction are optimized without compromising speed. This organization is widely supported by server chipsets, motherboards, and BIOS implementations. This category emphasizes adherence to JEDEC and Supermicro validation standards, ensuring that modules operate reliably across supported platforms. IT administrators benefit from predictable compatibility, reduced integration complexity, and simplified server deployment.

Platform Validation and Reliability

Memory in this category undergoes extensive testing to validate performance, stability, and compatibility with supported CPUs and server architectures. Testing includes signal integrity assessment, timing verification, and ECC functionality validation, ensuring reliable operation even under demanding workloads. This validation reduces the risk of memory-related downtime and supports long-term infrastructure stability. By using validated DDR5 4800MT/s modules, organizations can achieve consistent performance and reduce the risk of operational disruptions caused by memory faults.

Thermal Stability in High-Density Configurations

High-density memory deployments generate additional thermal load, particularly in multi-socket servers or blade servers. DDR5 4800MT/s ECC modules are engineered to operate within defined thermal ranges, ensuring consistent performance even under sustained workloads. Effective heat dissipation and stable electrical characteristics contribute to enhanced reliability and longevity. Thermal stability is critical in mission-critical environments, where servers must maintain continuous operation without performance degradation or system failures.

288-Pin RDIMM Form Factor

The 288-pin RDIMM form factor is a standardized physical interface for DDR5 server memory, ensuring mechanical and electrical compatibility with Supermicro and other enterprise server motherboards. This category adheres to strict specifications, providing stability, signal integrity, and ease of installation. IT staff can install and replace modules without specialized procedures, simplifying server upgrades and maintenance. Proper memory installation and channel population are essential for achieving optimal performance in multi-socket systems. This category supports balanced channel configurations and efficient interleaving across ranks, ensuring full utilization of memory bandwidth.

Enterprise Workloads and Application Alignment

This category of DDR5 4800MT/s ECC SDRAM is well-suited for a wide range of enterprise workloads. Virtualization platforms benefit from high-speed memory access, enabling higher density of virtual machines while maintaining responsive performance. Database servers rely on ECC and consistent latency for reliable transaction processing. Analytics, business intelligence, and AI workloads gain from fast memory access to large datasets, improving processing times and enabling real-time insights. High-bandwidth memory ensures that servers can handle multiple concurrent workloads without compromising stability or performance, making this category ideal for modern data center operations.

Cloud Infrastructure and Hype converged Systems

In cloud and hype converged infrastructures, memory performance directly impacts workload responsiveness and scalability. DDR5 4800MT/s ECC modules provide predictable performance and data integrity, supporting multi-tenant environments and dynamic workload allocation. Standardized 32GB modules allow for modular expansion and simplify planning for future growth. This category aligns with enterprise cloud strategies by providing reliable, high-performance memory that scales efficiently across nodes and clusters.

Scalability and Future-Proof Design

DDR5 memory modules in this category support the evolving needs of enterprise servers with higher core counts, increased memory channels, and more demanding workloads. By using 32GB modules, organizations can scale memory capacity incrementally, achieving high total memory in multi-socket configurations. This ensures that systems remain future-ready without requiring disruptive hardware changes. Scalability considerations include balanced channel population, interleaving strategies, and compatibility with multi-processor systems. Modules in this category support all these requirements, enabling long-term investment protection and reliable infrastructure expansion.

Long-Term Reliability

Enterprise-grade DDR5 memory in this category is engineered for 24/7 operation under demanding workloads. Rigorous quality control, stress testing, and ECC validation ensure predictable performance and system stability. IT teams benefit from reduced maintenance overhead and increased uptime, which are critical in high-performance and mission-critical environments. By deploying memory from this category, organizations enhance system reliability, reduce operational risk, and maximize the return on server hardware investments.

Consistent Performance Under Continuous Load

Mission-critical servers require memory that maintains stable performance under continuous, intensive workloads. DDR5 4800MT/s ECC SDRAM modules in this category are designed to deliver predictable throughput and low latency even during peak operations. This is essential for applications such as high-frequency trading, large-scale analytics, and AI processing. The combination of dual-rank architecture, ECC protection, and thermal efficiency ensures that memory continues to perform consistently, supporting enterprise service-level objectives and operational reliability.

Multi-Socket and High-Concurrency Server

Modern servers often feature multiple CPU sockets and high core counts, creating increased demand on memory subsystems. This category of DDR5 4800MT/s ECC RAM provides sufficient bandwidth and capacity per socket, ensuring balanced performance and efficient multi-threaded operation. Dual-rank x8 architecture and high-speed operation optimize throughput, reducing latency and maximizing processor utilization. Deploying modules from this category enables IT professionals to build high-density, multi-socket servers capable of handling demanding workloads, from virtualization clusters to large-scale data analytics.