MTC40F2046S1RC64BR Micron 64GB DDR5 6400MT/s PC5-5120a0 ECC Cl52 288-Pin Rdimm Memory Module.

Overview of the Micron Memory

The Micron MTC40F2046S1RC64BR 64GB DDR5 6400MT/s ECC Registered memory module is built to meet the increasing performance requirements of modern computing systems. Designed for servers, data centers, and enterprise applications, this high-capacity RDIMM module provides exceptional bandwidth, stability, and efficiency.

Main Specifications

• Manufacturer: Micron Technology
• Part Number: MTC40F2046S1RC64BR
• Module Type: ECC Registered Memory

Core Specifications

• Memory Capacity: 64GB
• Memory Type: DDR5 SDRAM
• Speed: 6400MT/s (PC5-51200)
• Form Factor: RDIMM, 288-pin
• CAS Latency: CL52
• Rank: Dual Rank configuration
• Voltage: 1.1V low-power operation
• Error Correction: ECC (Error-Correcting Code)
• Signal Type: Registered DIMM for improved stability

Enterprise-Class DDR5 RDIMM Memory Modules

The MTC40F2046S1RC64BR Micron 64GB DDR5 6400MT/s PC5-5120a0 ECC CL52 288-Pin RDIMM memory module belongs to a high-performance category of enterprise-grade DDR5 registered memory solutions engineered for modern server platforms, cloud infrastructure, virtualization clusters, and mission-critical computing workloads. This category represents a significant generational evolution from DDR4 RDIMM technology, offering substantially increased bandwidth, improved power efficiency, enhanced reliability features, and architectural refinements designed to support next-generation CPUs and memory controllers.

DDR5 RDIMM modules such as this Micron 64GB configuration are optimized for scalability and stability in multi-DIMM, multi-socket systems. By integrating on-module voltage regulation, advanced error correction, and registered buffering, this category of memory supports higher capacities per channel while maintaining signal integrity at elevated transfer rates. The result is a memory solution capable of sustaining heavy parallel workloads, large in-memory datasets, and continuous uptime requirements demanded by enterprise and data center operators.

DDR5 Architectural Advancements and Platform Compatibility

This category of DDR5 RDIMM memory modules introduces a redesigned memory architecture that doubles the number of memory banks compared to DDR4, enabling more efficient access to data and reducing latency bottlenecks in concurrent operations. The MTC40F2046S1RC64BR module leverages these architectural improvements to deliver a data rate of 6400MT/s, allowing servers to process large data streams and transactional workloads with greater throughput.

DDR5 RDIMM modules are designed to integrate seamlessly with the latest server processors from leading CPU manufacturers. Platform compatibility extends to modern workstation and server chipsets that support DDR5 registered memory, making this category suitable for next-generation deployments and infrastructure refresh cycles. The 288-pin RDIMM form factor remains consistent with industry standards, ensuring mechanical compatibility while delivering significantly enhanced electrical performance.

High-Capacity 64GB Memory Configurations for Scalable Systems

The 64GB capacity class represented by the MTC40F2046S1RC64BR module addresses the growing demand for higher per-DIMM memory density in enterprise environments. This category enables system architects to populate servers with fewer modules while achieving greater total memory capacity, simplifying memory layouts and improving airflow efficiency within chassis designs.

High-capacity DDR5 RDIMM modules are particularly valuable in applications that rely heavily on memory-resident datasets, such as in-memory databases, large-scale virtualization, real-time analytics, and artificial intelligence workloads. By deploying 64GB modules across multiple channels, organizations can build systems with terabytes of RAM while maintaining optimal performance and reliability.

Benefits of Reduced DIMM Count in Enterprise Deployments

Using higher-capacity RDIMM modules allows for reduced DIMM population per server, which can lead to lower power consumption, reduced thermal output, and simplified maintenance. This category supports efficient memory scaling strategies that align with modern data center goals of minimizing operational costs while maximizing compute density.

The Micron 64GB DDR5 RDIMM module fits seamlessly into these strategies by delivering consistent performance across all supported operating conditions. Its design supports balanced channel population, ensuring predictable latency and bandwidth characteristics critical for performance-sensitive applications.

ECC and Registered Memory for Mission-Critical Reliability

Error Correcting Code (ECC) and registered buffering are defining characteristics of this category of memory modules. The MTC40F2046S1RC64BR module incorporates advanced ECC functionality that detects and corrects single-bit memory errors in real time, significantly reducing the risk of data corruption and system instability.

Registered memory technology places a register between the memory controller and DRAM chips, reducing the electrical load on the controller and enabling higher memory densities and frequencies. This feature is essential for large-scale systems where signal integrity must be maintained across multiple populated DIMM slots.

Data Integrity and System Uptime Advantages

ECC RDIMM modules are a foundational requirement for enterprise servers that must operate continuously without failure. This category supports applications where even minor data inconsistencies can have serious consequences, including financial transactions, healthcare systems, scientific research, and cloud service delivery.

The integration of ECC and registered buffering ensures that systems using Micron DDR5 RDIMM modules maintain stable operation under sustained workloads, heavy memory utilization, and long operational lifecycles.

Performance Characteristics: 6400MT/s Data Rate and CL52 Latency

The performance profile of this category is defined by high transfer rates and carefully balanced latency characteristics. Operating at 6400MT/s, the MTC40F2046S1RC64BR module delivers substantial memory bandwidth improvements over previous DDR generations, supporting faster data movement between the CPU and memory subsystem.

While DDR5 introduces higher CAS latency values such as CL52, architectural enhancements and increased clock frequencies offset latency impacts, resulting in overall performance gains at the system level. This category is optimized for throughput-driven workloads where sustained data access and parallel processing are prioritized.

Bandwidth-Driven Workloads and Real-World Impact

High-speed DDR5 RDIMM modules excel in environments where memory bandwidth is a limiting factor. Examples include high-performance computing simulations, machine learning model training, large-scale data analytics, and virtualization platforms hosting numerous concurrent virtual machines.

The increased data rate enables CPUs to remain fully utilized, reducing idle cycles and improving overall system efficiency. This category supports balanced system architectures where compute, memory, and storage subsystems operate in harmony.

Power Efficiency and Thermal Management Enhancements

DDR5 memory introduces integrated power management features that distinguish this category from earlier generations. The MTC40F2046S1RC64BR module includes on-module voltage regulation, which allows for finer control of power delivery and improved energy efficiency across varying workloads.

Operating at a lower nominal voltage compared to DDR4, DDR5 RDIMM modules reduce overall system power consumption while supporting higher performance levels. This efficiency is particularly beneficial in dense data center environments where power and cooling constraints are critical considerations.

Optimized Power Delivery for Data Center Operations

On-DIMM power management reduces reliance on motherboard-level voltage regulation, simplifying system design and enhancing stability. This category enables more predictable power behavior, contributing to improved thermal management and reduced cooling requirements.

The Micron DDR5 RDIMM module is engineered to operate reliably across a wide temperature range, ensuring consistent performance even in demanding operating conditions.

Micron Manufacturing Quality and Enterprise Validation

This category of memory modules benefits from Micron’s extensive experience in DRAM manufacturing and enterprise-grade validation processes. The MTC40F2046S1RC64BR module is produced using high-quality DRAM components and undergoes rigorous testing to ensure compliance with industry standards and platform compatibility requirements.

Enterprise validation includes extensive stress testing, compatibility verification with leading server platforms, and long-term reliability assessments. These processes ensure that each module meets the expectations of data center operators and system integrators.

Consistency, Longevity, and Supply Chain Stability

Micron’s enterprise memory category emphasizes long product lifecycles and consistent specifications, enabling organizations to standardize on specific memory configurations over extended deployment periods. This consistency simplifies maintenance, upgrades, and capacity planning.

Stable supply chains and controlled component revisions further enhance the value of this category, ensuring that replacement modules and future expansions maintain compatibility and performance parity.

Use Cases Across Enterprise, Cloud, and Workstation Segments

The MTC40F2046S1RC64BR DDR5 RDIMM module is representative of a category designed to serve a broad range of professional and enterprise use cases. In cloud environments, these modules support high-density virtualization and containerized workloads, enabling service providers to maximize resource utilization.

In enterprise data centers, DDR5 RDIMM memory is deployed in database servers, application servers, and analytics platforms that demand high reliability and performance. Professional workstations used for simulation, rendering, and scientific computation also benefit from this category’s capabilities.

Scalability for Future Workload Growth

This category is designed with scalability in mind, allowing systems to grow alongside evolving workload demands. As software applications continue to increase in complexity and memory requirements, high-capacity DDR5 RDIMM modules provide a future-ready foundation.

The combination of capacity, bandwidth, and reliability ensures that investments in this category remain relevant as computing architectures advance.

Industry Standards, Compliance, and Interoperability

DDR5 RDIMM memory modules adhere to JEDEC standards that define electrical characteristics, mechanical dimensions, and performance parameters. The MTC40F2046S1RC64BR module conforms to these standards, ensuring interoperability with compliant server platforms and motherboards.

Compliance with industry standards simplifies system qualification processes and reduces the risk of compatibility issues during deployment and upgrades.

Seamless Integration into Certified Server Platforms

This category is widely supported by server OEMs and motherboard manufacturers, with extensive qualification matrices that include Micron DDR5 RDIMM modules. Integration into certified platforms ensures predictable performance and supportability.

For organizations deploying large fleets of servers, this interoperability is a key advantage, enabling standardized configurations and streamlined operational processes.

Advanced Memory Features Supporting Modern Workloads

DDR5 RDIMM memory introduces additional features such as on-die ECC and improved command/address bus efficiency. These enhancements further differentiate this category from previous generations, contributing to improved reliability and performance.

The MTC40F2046S1RC64BR module leverages these features to deliver consistent behavior under heavy load, supporting modern software architectures that rely on parallelism and high memory utilization.

Alignment with Next-Generation Software Architectures

As operating systems, hypervisors, and applications evolve to take advantage of increased memory bandwidth and capacity, this category provides the necessary hardware foundation. DDR5 RDIMM modules support advanced memory management techniques and large address spaces required by modern workloads.

The result is a memory solution category that aligns with current and future computing trends, ensuring long-term value for enterprise and professional users.