MTC40F2046S1RC48BAX Micron 64GB (1x64GB) PC5-38400 DDR5 4800MHz CL40 Memory

Overview of Micron MTC40F2046S1RC48BAX 64GB Memory

This high-capacity DDR5 SDRAM memory module is designed to meet the demanding requirements of modern enterprise servers, data centers, and workstation platforms. Built with advanced memory architecture, it delivers consistent bandwidth, improved efficiency, and reliable performance for mission-critical workloads.

General Information

• Brand Name: Micron
• Part Number: MTC40F2046S1RC48BAX
• Product Type: Memory Module

Technical Specifications

• Total Memory Size: 64GB
• Memory Type: DDR5 SDRAM
• Memory Speed: 4800MT/s
• Memory Standard: PC5-38400
• Rank Structure: 2Rx4
• Error Checking: ECC supported
• Signal Type: Registered (RDIMM)

The Micron MTC40F2046S1RC48BAX 64GB DDR5 Memory

The Micron MTC40F2046S1RC48BAX 64GB DDR5 ECC Registered DIMM belongs to the advanced category of enterprise-grade DDR5 server memory modules engineered for data-intensive workloads, virtualization platforms, and mission-critical computing environments. This category focuses on high-capacity, high-reliability registered memory designed to operate continuously under demanding conditions while maintaining data integrity, thermal efficiency, and predictable performance. DDR5 RDIMM modules represent a major evolution from DDR4 technology, introducing architectural enhancements that support higher bandwidth, improved power efficiency, and superior scalability for modern server platforms.

High-Capacity 64GB Memory

Within the DDR5 RDIMM category, 64GB memory modules occupy a critical position for organizations seeking to balance memory density and cost efficiency. A single 64GB DDR5 module allows servers to scale memory capacity without populating all DIMM slots, leaving room for future upgrades while maximizing airflow and power efficiency. This capacity tier is particularly suitable for virtualization clusters, database servers, enterprise applications, and cloud infrastructure that require large memory pools per CPU socket.The Micron MTC40F2046S1RC48BAX configuration as a 1x64GB module supports flexible deployment scenarios. IT administrators can design memory configurations tailored to workload requirements, whether deploying fewer high-capacity DIMMs for optimized power consumption or fully populating channels to achieve maximum bandwidth. This category emphasizes modular scalability, enabling seamless expansion as application demands grow.

Advanced DDR5 Technology

DDR5 technology represents a significant leap forward from previous DDR4 standards, offering higher data rates, improved energy efficiency, and enhanced reliability features. The Micron MTC40F2046S1RC48BAX leverages these advancements to deliver robust performance under heavy workloads. With an effective speed of 5600MHz, this module enables faster data transfer between the processor and memory, reducing latency and accelerating application performance. The DDR5 architecture includes on-die ECC for individual memory chips, which complements the module-level ECC to provide comprehensive error protection throughout the memory hierarchy.

Micron DDR5 vs. Previous Generations

Compared to DDR4 memory, DDR5 provides higher density, increased memory bandwidth, and improved energy efficiency. The MTC40F2046S1RC48BAX leverages these advancements, delivering better overall performance for servers and high-end computing systems. Features such as on-die ECC, dual-channel DIMM architecture, and enhanced burst length enable more reliable data processing and faster memory access. Additionally, the lower operating voltage of 1.1V reduces heat generation and operational costs, offering a significant advantage over DDR4 modules.

2Rx4 Dual-Rank Benefits

Dual-rank (2Rx4) memory architecture enhances performance by allowing the memory controller to interleave operations across ranks. This results in improved memory-level parallelism and more efficient utilization of available bandwidth. In enterprise workloads such as virtualization, analytics, and in-memory databases, dual-rank DDR5 RDIMMs provide measurable advantages in throughput and responsiveness.The x4 DRAM organization further strengthens reliability by enabling advanced ECC error correction capabilities. Compared to x8 configurations, x4 DRAM layouts allow finer-grained error detection and correction, making this category especially suitable for mission-critical systems where uptime and data accuracy are paramount.

4800MHz Memory Performance 

Operating at 4800MHz (PC5-38400), this DDR5 RDIMM category delivers a significant increase in memory bandwidth compared to previous-generation DDR4 modules. Higher transfer rates enable CPUs to access data more quickly, reducing latency bottlenecks in memory-bound workloads. This performance tier is aligned with first- and second-generation DDR5 server platforms that prioritize stability and compatibility while still benefiting from DDR5 advancements.The PC5-38400 specification indicates a theoretical peak bandwidth of 38.4 GB/s per module, supporting multi-channel memory architectures found in modern server CPUs. When deployed across multiple channels, these modules contribute to aggregate bandwidth levels that dramatically improve performance for applications such as high-performance computing (HPC), virtualization hosts, and large-scale transactional systems.

CL40 Latency Optimization

CAS latency CL40 represents a balanced timing configuration designed to complement the higher operating frequency of DDR5 memory. While latency values may appear higher numerically compared to DDR4, the increased clock speeds of DDR5 result in comparable or improved real-world access times. This category emphasizes consistent, predictable latency characteristics that are essential for enterprise workloads requiring deterministic performance.Optimized latency also contributes to smoother system operation under heavy multitasking conditions. Servers running multiple virtual machines or containerized applications benefit from reduced memory contention and improved responsiveness, particularly when combined with dual-rank architecture and multi-channel configurations.

ECC Registered Memory

Error-Correcting Code (ECC) functionality is a defining feature of this memory category. ECC Registered DDR5 modules detect and correct single-bit memory errors and identify multi-bit errors before they propagate into the operating system or application layer. This capability is critical in enterprise environments where silent data corruption can lead to system crashes, inaccurate computations, or data loss.Registered DIMMs further enhance reliability by buffering command and address signals, reducing electrical stress on the memory controller. This design enables stable operation at higher capacities and frequencies, making ECC RDIMM modules the preferred choice for servers, data centers, and professional workstations.

Power Efficiency and 1.1V Operating Voltage

DDR5 technology introduces improved power management features compared to previous generations, and this category operates at an efficient 1.1V nominal voltage. Lower operating voltage reduces overall power consumption, contributing to lower operating costs and reduced thermal output in densely populated server racks. This efficiency is particularly valuable in data centers where power and cooling represent significant operational expenses.Integrated power management on DDR5 modules allows for more precise voltage regulation, enhancing stability and reducing noise. The result is a memory solution that not only delivers higher performance but also aligns with modern energy efficiency goals and sustainability initiatives.

288-Pin DIMM Form Factor Compatibility

The 288-pin DIMM form factor is the standard for DDR5 memory modules and ensures compatibility with a wide range of modern server and workstation motherboards. This category is engineered to meet JEDEC specifications, enabling seamless integration into supported platforms without requiring proprietary configurations.The physical design of DDR5 RDIMMs accommodates advanced signaling requirements while maintaining backward compatibility considerations at the socket level. System integrators and IT professionals benefit from standardized installation processes and predictable mechanical fit across certified hardware platforms.

Scalability and Future-Proof Memory

DDR5 RDIMM memory categories are built to support future platform advancements while maintaining backward compatibility within the DDR5 ecosystem. As server CPUs evolve to support higher memory speeds and capacities, DDR5 modules provide a scalable foundation for growth. The 64GB density tier allows organizations to expand memory footprints incrementally without disruptive upgrades.This forward-looking design ensures that investments in DDR5 ECC Registered memory remain viable as workloads increase in complexity and scale. IT planners can deploy these modules with confidence, knowing they align with industry roadmaps and emerging enterprise requirements.