MEM-DR532MD-ER64 Supermicro 32GB PC5-51200 DDR5 6400MHz ECC Memory

Supermicro MEM-DR532MD-ER64 32GB RAM

Manufacturer and identity

• Brand: Supermicro
• Model: MEM-DR532MD-ER64
• Type: 32GB DDR5 SDRAM memory module

Technical specifications

Capacity and architecture

• Total capacity: 32GB
• Module count: 1 × 32GB single module
• Rank configuration: 2Rx8 for balanced performance and compatibility

Speed and latency

• Bus speed: 6400MT/s (DDR5-6400 / PC5-51200)
• CAS latency: CL52

Data integrity and signaling

• Error correction: ECC for robust data protection
• Signal processing: Registered (RDIMM) for improved electrical stability

Technology and compatibility

• Memory technology: DDR5 SDRAM
• Use case: Ideal for servers, HPC nodes, virtualization hosts, and professional workstations

Physical characteristics

Form factor and interface

• Form factor: 288‑pin RDIMM

Dimensions and weight

• Shipping dimensions: 1.00 (height) × 6.75 (depth)
• Shipping weight: 0.20 lb

choose this DDR5 ECC RDIMM

Performance benefits

• Higher throughput: DDR5-6400 speed maximizes memory bandwidth for demanding server tasks.
• Improved efficiency: Advanced DDR5 architecture enhances power management and scalability.

Reliability advantages

• Enterprise-grade stability: ECC and registered signaling reduce crashes and data corruption.
• Consistent latency: CL52 timing maintains predictable response under heavy load.

Use cases and deployment scenarios

Server and data center

• Virtualization: Supports VMs and containers with high memory bandwidth requirements.
• Database workloads: Accelerates query performance and transaction processing.
• Analytics and HPC: Enables faster compute and in-memory analytics.

Professional workstation

• Content creation: Smooth performance for video editing, 3D rendering, and CAD.
• Software development: Efficient handling of large builds and test environments.

Compatibility notes

Platform guidance

• RDIMM only: Designed for systems that support DDR5 RDIMM; not compatible with UDIMM/SO-DIMM slots.
• Vendor ecosystems: Best paired with Supermicro server platforms and boards that specify DDR5‑6400 ECC RDIMM support.

Enterprise DDR5 RDIMM Memory Category Overview

The Supermicro MEM-DR532MD-ER64 32GB DDR5 RDIMM memory module belongs to the advanced enterprise server memory category designed for data centers, cloud infrastructures, virtualization platforms, and mission-critical computing environments. This category focuses on registered DDR5 SDRAM modules that deliver high bandwidth, low power consumption, and superior signal integrity for modern server architectures. DDR5 RDIMM memory represents a significant generational leap from DDR4, offering increased transfer rates, improved channel efficiency, and enhanced reliability features required by today’s multi-core processors and memory-intensive workloads.

Within this category, DDR5 PC5-51200 memory operates at an effective speed of 6400MHz, enabling servers to process large datasets faster and reduce latency in demanding enterprise applications. The Supermicro MEM-DR532MD-ER64 module exemplifies the core attributes of this category by combining high frequency performance, ECC error correction, registered buffering, and dual-rank architecture. These characteristics position it as a premium choice for organizations seeking scalable, stable, and future-ready memory solutions.

DDR5 SDRAM Technology Evolution in Server Memory

DDR5 SDRAM technology introduces architectural enhancements that redefine how server memory performs under sustained workloads. Compared to previous generations, DDR5 doubles the number of memory banks and increases burst lengths, resulting in higher throughput and improved parallelism. The Supermicro MEM-DR532MD-ER64 module leverages these improvements to support next-generation CPUs that demand faster and more efficient memory subsystems.

Another defining advancement in DDR5 memory is the integration of on-die ECC, which works in conjunction with traditional ECC mechanisms to improve data integrity. While registered ECC RDIMM modules already provide robust error correction, DDR5 adds an extra layer of reliability at the chip level. This combination makes DDR5 RDIMM memory particularly suitable for enterprise environments where data accuracy, system uptime, and workload consistency are non-negotiable requirements.

PC5-51200 Bandwidth and Performance Scaling

PC5-51200 memory classification corresponds to a theoretical bandwidth of 51.2GB/s per module, enabling servers to handle high-throughput operations such as real-time analytics, virtualization, and large-scale database processing. The Supermicro MEM-DR532MD-ER64 module is engineered to operate at 6400MHz, ensuring that servers equipped with compatible platforms can fully exploit the bandwidth potential of DDR5 memory.

In enterprise memory categories, bandwidth scalability is critical for multi-socket server systems where multiple CPUs access shared memory resources. High-frequency DDR5 RDIMM modules help mitigate memory bottlenecks and allow processors to maintain peak efficiency even under heavy workloads. This positions the Supermicro MEM-DR532MD-ER64 as an optimal solution for performance-driven data center deployments.

Latency Characteristics and CL52 Timing

Latency remains a crucial metric in server memory performance, especially for applications that rely on rapid data access. The CL52 latency rating of this DDR5 module reflects optimized timing parameters that balance speed and stability. While DDR5 introduces higher raw latency numbers compared to DDR4, the overall system performance improves due to significantly higher clock speeds and increased parallelism.

For enterprise workloads such as virtualization and in-memory databases, the effective latency experienced by applications is often reduced because DDR5 can process more data per cycle. The Supermicro MEM-DR532MD-ER64 memory module aligns with this performance model, offering consistent response times and predictable behavior under sustained enterprise workloads.

ECC Registered Memory Architecture for Reliability

Error Correcting Code registered memory is a foundational requirement in enterprise server environments. The ECC RDIMM category is designed to detect and correct single-bit memory errors, preventing data corruption and system crashes. The Supermicro MEM-DR532MD-ER64 module integrates ECC functionality to ensure data integrity across critical applications and long-running processes.

Registered memory includes a register buffer between the memory controller and the DRAM chips, reducing electrical load and improving signal integrity. This design enables servers to support higher memory capacities and more populated DIMM configurations without sacrificing stability. As part of the DDR5 RDIMM category, this module is well suited for large memory footprints and scalable server architectures.

Dual Rank x8 Memory Organization

Dual rank memory modules provide enhanced performance by allowing the memory controller to access multiple ranks in an interleaved manner. The x8 chip organization further contributes to improved reliability and compatibility with enterprise server platforms. The Supermicro MEM-DR532MD-ER64 module utilizes a dual rank x8 configuration to maximize throughput while maintaining compliance with server memory standards.

This architecture is particularly beneficial in multi-threaded environments where memory access patterns vary dynamically. By distributing workloads across multiple ranks, servers can achieve better utilization of available bandwidth and reduce idle cycles. This makes dual rank DDR5 RDIMM memory an essential component in high-density computing systems.

Impact on Virtualization and Cloud Workloads

Virtualized environments rely heavily on memory performance and reliability to support multiple virtual machines simultaneously. Dual rank DDR5 RDIMM memory modules enhance virtualization efficiency by enabling faster context switching and improved memory allocation. The Supermicro MEM-DR532MD-ER64 module supports these requirements by delivering stable performance under fluctuating memory demands.

In cloud computing scenarios, memory consistency and scalability are critical for service availability. ECC registered DDR5 memory ensures that cloud workloads remain resilient against transient memory errors, reducing the risk of service interruptions and maintaining service level agreements.

Power Efficiency and 1.1V Operating Voltage

Power efficiency is a defining attribute of modern enterprise memory categories. DDR5 memory operates at a reduced voltage of 1.1V compared to previous generations, contributing to lower overall system power consumption. The Supermicro MEM-DR532MD-ER64 module adheres to this standard, making it an energy-efficient choice for large-scale data centers.

Lower operating voltage translates into reduced heat generation, which simplifies thermal management and extends component lifespan. In densely populated server racks, even marginal power savings per module can result in significant reductions in operational costs. This efficiency advantage reinforces the value of DDR5 RDIMM memory in sustainable data center strategies.

Thermal Stability in High-Density Deployments

High-density server deployments demand memory modules that can maintain stability under elevated temperatures. DDR5 RDIMM modules are engineered with improved thermal characteristics to support continuous operation in demanding environments. The Supermicro MEM-DR532MD-ER64 module is designed to operate reliably within enterprise thermal specifications.

Thermal stability is especially important in systems with fully populated DIMM slots, where airflow may be limited. By operating at 1.1V and leveraging advanced DDR5 design principles, this memory module contributes to balanced thermal performance across the server.

Compatibility with Modern Server Platforms

The DDR5 RDIMM memory category is tightly aligned with the latest server processor architectures from leading CPU manufacturers. The Supermicro MEM-DR532MD-ER64 module is designed for compatibility with DDR5-enabled server motherboards, ensuring seamless integration into modern enterprise systems.

Supermicro memory modules are validated for use with Supermicro server platforms, offering assurance of compatibility and performance consistency. This validation process minimizes deployment risks and simplifies system configuration for IT administrators managing large server fleets.

288-Pin RDIMM Form Factor

The 288-pin RDIMM form factor is the industry standard for DDR5 registered memory modules. This physical design ensures proper electrical connectivity and mechanical fit within compatible server memory slots. The Supermicro MEM-DR532MD-ER64 module adheres to this standard, supporting straightforward installation and maintenance.

Standardized form factors are essential in enterprise environments where hardware interoperability and upgrade paths are critical. The 288-pin DDR5 RDIMM design allows organizations to expand memory capacity or replace modules without extensive system modifications.

Signal Integrity and Registered Buffer Benefits

Registered buffers play a vital role in maintaining signal integrity, particularly at high frequencies such as 6400MHz. By isolating the memory controller from the electrical load of multiple DRAM chips, registered DDR5 memory modules achieve stable operation even in complex server configurations.

This design advantage allows enterprises to deploy higher memory densities per server while maintaining reliable performance. The Supermicro MEM-DR532MD-ER64 module exemplifies this benefit by combining high speed with registered buffering for consistent operation.

Use Cases Across Enterprise Computing Environments

The DDR5 RDIMM memory category addresses a wide range of enterprise computing use cases, from database servers and virtualization hosts to AI inference and high-performance computing clusters. The Supermicro MEM-DR532MD-ER64 module supports these applications by delivering high bandwidth, low power consumption, and robust error correction.

In database environments, fast memory access reduces query response times and improves transaction throughput. In HPC and analytics workloads, increased memory bandwidth accelerates data processing and simulation tasks. This versatility makes DDR5 RDIMM memory a cornerstone of modern enterprise infrastructure.

Scalability for Growing IT Demands

Scalability is a key consideration when selecting server memory. DDR5 RDIMM modules enable higher per-module capacities and improved channel efficiency, allowing systems to scale memory resources as workloads grow. The 32GB capacity of the Supermicro MEM-DR532MD-ER64 module provides a balanced option for incremental upgrades and flexible configurations.

By supporting higher frequencies and densities, DDR5 memory helps future-proof server investments. Organizations can deploy systems that meet current performance requirements while retaining the ability to expand memory capacity as demands evolve.

Reliability for Mission-Critical Applications

Mission-critical applications such as financial systems, healthcare platforms, and telecommunications infrastructure require unwavering reliability. ECC registered DDR5 memory ensures that transient memory errors do not compromise system stability or data accuracy.

The Supermicro MEM-DR532MD-ER64 module is engineered to meet these stringent requirements, making it suitable for environments where downtime and data loss are unacceptable.