MTC40F2046S1RC64BD1 Micron 64GB DDR5 6400 Mhz PC5-51200 ECC Cl52 288-pin Rdimm Memory Module

Overview of the 64GB DDR5 Memory

The MICRON MTC40F2046S1RC64B is a high-performance 64GB DDR5 SDRAM Registered DIMM designed to deliver exceptional speed, reliability, and scalability for enterprise-grade applications. Built with advanced ECC (Error-Correcting Code) technology and optimized for data-intensive environments, this memory module ensures stability and consistent performance for demanding workloads.

General Information

• Manufacturer: Micron
• Type: RAM Module
• Part Number: MTC40F2046S1RC64BD1

Technical Specifications

• Total Capacity: 64GB
• Memory Standard: DDR5-6400 / PC5-51200
• Technology: DDR5 SDRAM
• Form Factor: RDIMM (Registered DIMM)
• Configuration: 1 x 64GB module

Performance

• Speed: 6400 MHz
• Signal Processing: Registered
• Rank: Dual Rank
• Latency: CL52
• Voltage: 1.1V

Reliability and Stability

Error-Correcting Code (ECC)

The built-in ECC functionality actively detects and corrects common types of memory errors, reducing downtime and ensuring data accuracy. This makes the module suitable for mission-critical operations, data centers, and professional servers.

Registered DIMM Architecture

The registered design improves signal integrity, enhances scalability, and supports stable performance in systems requiring large memory capacities.

The Micron MTC40F2046S1RC64BD1 64GB DDR5 6400 MHz PC5-51200 ECC CL52 288-pin RDIMM memory module belongs to the high-performance enterprise and data center memory category designed for modern server architectures that demand exceptional bandwidth, capacity density, reliability, and electrical efficiency. This category focuses on registered DDR5 ECC memory solutions optimized for mission-critical computing environments such as cloud infrastructure, virtualization platforms, high-performance computing clusters, enterprise databases, artificial intelligence workloads, and next-generation analytics systems. Memory modules within this segment are engineered to support sustained workloads, high memory channel utilization, and stringent uptime requirements while maintaining compliance with evolving platform standards.

Enterprise DDR5 RDIMM Memory Classification

DDR5 registered dual in-line memory modules represent a significant evolution over previous DDR4 RDIMM technologies. The Micron 64GB DDR5 6400 MHz RDIMM falls into the enterprise-grade server memory category, where reliability, scalability, and signal integrity are paramount. Registered memory includes an onboard register that buffers command and address signals, reducing electrical load on the memory controller and enabling greater module density per channel. This architectural enhancement is essential for modern multi-socket server platforms that support large memory footprints.

Within the broader DDR5 ecosystem, RDIMM modules occupy a specialized subcategory intended exclusively for server and workstation systems equipped with compatible memory controllers. These modules are not interchangeable with unbuffered DIMMs or SO-DIMMs used in consumer desktops and laptops. The Micron MTC40F2046S1RC64BD1 exemplifies this classification by combining high capacity, advanced ECC protection, and optimized timing parameters tailored for enterprise-grade motherboards.

Role of DDR5 in Next-Generation Servers

DDR5 memory technology introduces fundamental changes that directly impact server performance and efficiency. Compared to DDR4, DDR5 doubles bank count, increases burst length, and supports higher operating frequencies, enabling significantly greater memory bandwidth per module. The 6400 MHz data rate of this module translates into a theoretical bandwidth of 51.2 GB/s, making it well-suited for data-intensive workloads that rely on rapid memory access.

Servers equipped with DDR5 RDIMM modules benefit from improved scalability as platform vendors increase the number of memory channels per CPU. This category of memory is designed to maximize throughput across those channels while maintaining signal stability at higher speeds. The Micron 64GB DDR5 RDIMM is aligned with these architectural advancements, supporting the memory performance demands of contemporary CPU designs.

Registered DIMM Architecture and Signal Integrity

Registered DIMMs incorporate a register clock driver that buffers control signals between the memory controller and the DRAM chips. This design reduces electrical stress on the CPU’s integrated memory controller, allowing more DIMMs to be populated per channel without compromising stability. For enterprise systems that require large memory configurations, RDIMM modules are essential.

In the context of DDR5, registered architecture plays an even more critical role due to higher operating frequencies. The Micron MTC40F2046S1RC64BD1 leverages advanced register technology to maintain signal integrity at 6400 MHz, ensuring reliable data transmission even under sustained load. This makes the category particularly suitable for systems that must run continuously with minimal tolerance for memory-related errors.

Error Correction and Data Integrity Features

ECC memory is a defining characteristic of enterprise server memory categories. The Micron 64GB DDR5 RDIMM includes advanced error-correcting code functionality that detects and corrects single-bit memory errors while identifying multi-bit errors. This capability is critical for protecting data integrity in environments where memory errors could lead to system crashes, data corruption, or security vulnerabilities.

ECC operation is transparent to the operating system and applications, yet it plays a vital role in maintaining system reliability. In large-scale deployments, even rare memory errors can accumulate over time. The ECC mechanisms integrated into DDR5 RDIMM modules significantly reduce the risk of such errors affecting system operations.

On-Die ECC and System-Level ECC

DDR5 memory introduces on-die ECC at the DRAM chip level, complementing traditional system-level ECC implemented across the memory module. This layered approach enhances overall reliability by correcting errors closer to their source before data is transmitted across the memory bus. The Micron MTC40F2046S1RC64BD1 benefits from this dual-layer error protection, which is particularly valuable in high-density memory configurations.

System-level ECC continues to provide robust protection against transmission errors and external interference. Together, these technologies position DDR5 RDIMM memory as a cornerstone of fault-tolerant server design.

Importance of ECC in Mission-Critical Workloads

Enterprise applications such as financial transaction processing, healthcare data management, and scientific simulations rely on absolute data accuracy. Memory errors, even at extremely low rates, can compromise results or cause costly downtime. ECC RDIMM memory modules mitigate these risks by ensuring data consistency and operational stability.

The Micron 64GB DDR5 RDIMM category is specifically targeted at these use cases, offering a balance of high performance and uncompromising reliability that is essential for mission-critical environments.

Capacity Density and Scalability Advantages

With a capacity of 64GB per module, this DDR5 RDIMM falls into the high-density memory category. High-capacity modules enable system architects to maximize total memory capacity while minimizing the number of DIMM slots used. This approach simplifies system design, improves airflow, and reduces power consumption associated with additional components.

High-density memory modules are especially valuable in virtualization and containerized environments, where memory allocation directly impacts the number of virtual machines or containers that can be supported. The Micron MTC40F2046S1RC64BD1 supports these scenarios by delivering substantial memory capacity within a single module.

Multi-Socket and High-Channel Count Systems

Modern server CPUs often support multiple memory channels per socket, enabling massive parallel memory access. When combined with 64GB DDR5 RDIMM modules, these systems can achieve total memory capacities measured in terabytes. This scalability is essential for in-memory databases, large-scale analytics, and real-time data processing platforms.

The category of high-capacity DDR5 RDIMM memory is designed to scale efficiently across such architectures, maintaining consistent performance and reliability as memory footprints grow.

Future-Proofing Infrastructure Investments

Investing in high-capacity DDR5 RDIMM modules allows organizations to future-proof their infrastructure. As software workloads become more memory-intensive, having ample memory headroom reduces the need for frequent hardware upgrades. The Micron 64GB DDR5 RDIMM aligns with this strategy by supporting current and emerging platform requirements.

Performance Characteristics and Timing Parameters

The PC5-51200 designation indicates a peak transfer rate of 51.2 GB/s, positioning this memory module in the high-performance segment of the DDR5 market. High bandwidth is critical for workloads that involve large data sets, frequent memory access, or high degrees of parallelism.

CAS latency 52 reflects the balance between frequency and latency inherent in high-speed DDR5 memory. While absolute latency values are higher compared to lower-frequency modules, the increased bandwidth and improved efficiency of DDR5 often result in superior real-world performance for enterprise workloads.

Bandwidth-Driven Workloads

Applications such as AI model training, video processing, and scientific computing benefit from high memory bandwidth. DDR5 RDIMM modules operating at 6400 MHz provide the throughput necessary to keep multi-core CPUs and accelerators fully utilized.

The Micron MTC40F2046S1RC64BD1 is optimized for these scenarios, delivering consistent bandwidth across sustained workloads without throttling or instability.

Latency Considerations in Server Environments

In enterprise systems, memory latency is often mitigated by parallelism and caching strategies. High-frequency DDR5 memory helps offset latency by increasing the rate at which data can be delivered once accessed. The CL52 timing of this module reflects a design optimized for stability and compatibility at high speeds.

Electrical Efficiency

DDR5 introduces significant improvements in power management compared to DDR4, including the integration of a power management IC on the module itself. This design allows for more precise voltage regulation and improved power efficiency, which is critical in data center environments where energy consumption directly impacts operational costs.

The Micron 64GB DDR5 RDIMM operates at lower voltages while delivering higher performance, contributing to reduced power draw per gigabyte of memory. This efficiency is particularly valuable in densely populated servers.

Compatibility

DDR5 RDIMM memory modules are designed to meet strict industry standards to ensure broad compatibility with server platforms from leading manufacturers. The 288-pin form factor and registered design are standardized for DDR5 server memory slots, enabling predictable integration into supported systems.

This category is intended for use with CPUs and chipsets that explicitly support DDR5 RDIMM memory. Proper platform validation ensures that the memory operates at rated speed and timing parameters.

Server platforms often include BIOS and firmware features that optimize memory performance and reliability. DDR5 RDIMM modules benefit from these optimizations, including memory training algorithms and error reporting mechanisms. The Micron 64GB DDR5 RDIMM is designed to work seamlessly with such features.

Enterprise Qualification and Testing

Enterprise memory categories emphasize rigorous qualification and testing processes. Modules are validated under a wide range of operating conditions to ensure stability and longevity. This level of testing distinguishes enterprise DDR5 RDIMM memory from consumer-grade alternatives.

Use Cases Across Industries

High-capacity DDR5 RDIMM memory modules are deployed across numerous industries that rely on data-intensive computing. Cloud service providers use these modules to support scalable virtualized environments. Financial institutions depend on them for real-time analytics and transaction processing. Research organizations leverage their performance for simulations and modeling.

The Micron MTC40F2046S1RC64BD1 fits into this broad category by offering a versatile combination of capacity, speed, and reliability that meets diverse enterprise requirements.

Virtualization and Cloud Computing

Virtualized environments require large amounts of memory to support multiple guest operating systems and applications. High-density DDR5 RDIMM modules enable higher consolidation ratios, improving resource utilization and operational efficiency.

Data Analytics and AI Workloads

Analytics and AI applications often process large data sets in memory to achieve low-latency results. High-bandwidth DDR5 memory accelerates these workloads, reducing processing time and enabling more complex models and analyses.

Longevity, Reliability, and Enterprise Lifecycle

Enterprise memory modules are designed for extended lifecycle support, aligning with the long deployment cycles of server hardware. This category prioritizes consistent availability, firmware stability, and long-term compatibility.

The Micron 64GB DDR5 RDIMM represents this commitment to longevity, making it suitable for organizations that require stable configurations over multiple years.

Quality Control and Manufacturing Standards

High-quality manufacturing processes and component selection contribute to the reliability of enterprise DDR5 RDIMM memory. Strict quality control measures ensure that each module meets performance and durability specifications.