MTC20F1045S1RC48BA2A Micron 32GB 4800mhz Pc5-38400 Cl40 Ecc Registered DDR5 SDRAM 288-pin Rdimm Memory Module for Server

Micron 32GB DDR5 RDIMM Memory Module

The Micron MTC20F1045S1RC48BA2A is a high‑performance 32GB DDR5 Registered DIMM engineered for servers and enterprise‑grade computing systems. Designed to deliver exceptional speed, stability, and reliability, this module is ideal for data‑intensive workloads and next‑generation platforms.

General Details

• Brand: Micron
• Model Number: MTC20F1045S1RC48BA2A
• Module Type: 32GB 1Rx4 DDR5 Registered DIMM
• Performance Rating: 4800MHz PC5‑38400

Technical Specifications

Memory Capacity & Architecture

• Total Storage: 32GB
• Module Count: 1 × 32GB
• Rank Configuration: 1Rx4

Advanced Memory Technology

• Memory Standard: DDR5 SDRAM
• Bus Frequency: 4800MHz (DDR5‑38400 / PC5‑4800)
• CAS Latency: CL40

Reliability & Data Protection

• Error Correction: ECC (Error‑Correcting Code)
• Signal Processing: Registered for enhanced stability

Physical Attributes

Form Factor & Build

• Interface: 288‑pin RDIMM

Shipping & Handling Details

• Package Height: 1.00 in
• Package Depth: 6.75 in
• Shipping Weight: 0.20 lb

MTC20F1045S1RC48BA2A DDR5 RDIMM Memory Overview

The Micron MTC20F1045S1RC48BA2A 32GB 4800MHz PC5-38400 CL40 ECC Registered DDR5 SDRAM 288-pin RDIMM Memory Module represents a core product within the enterprise-class DDR5 registered memory category. This category is defined by high-capacity, high-bandwidth, and reliability-focused memory solutions designed specifically for server platforms, data centers, virtualization environments, and mission-critical computing workloads. DDR5 RDIMM modules introduce substantial architectural improvements over prior DDR4 generations, making them a foundational component for modern computing infrastructures that demand scalability, efficiency, and stability.

Registered DIMMs, commonly referred to as RDIMMs, are engineered to support larger memory configurations by incorporating a register between the memory controller and the DRAM chips. This design significantly reduces electrical load, enabling higher module densities and improved signal integrity. Within this category, Micron’s DDR5 RDIMM offerings are positioned as premium-grade solutions built for compatibility with next-generation server processors and chipsets that support DDR5 memory standards.

DDR5 Memory Architecture and Advancements

DDR5 SDRAM introduces a fundamentally enhanced architecture that distinguishes it from earlier memory technologies. The transition to DDR5 enables higher base speeds, improved power efficiency, and more granular memory management. Operating at 4800MHz, PC5-38400 memory delivers a substantial increase in bandwidth, allowing processors to access data more quickly and efficiently. This improvement is especially valuable in data-intensive applications such as database processing, artificial intelligence workloads, high-performance computing, and large-scale virtualization.

The DDR5 architecture features dual independent 32-bit channels per DIMM, a notable change from the single 64-bit channel design used in DDR4. This dual-channel structure improves memory access efficiency, reduces latency bottlenecks, and enhances parallelism. For enterprise systems utilizing the Micron MTC20F1045S1RC48BA2A module, these architectural changes translate into smoother multitasking, faster data throughput, and improved overall system responsiveness.

Registered DIMM Technology in Server Environments

Registered memory plays a critical role in enterprise computing by enabling stable operation at high memory capacities. RDIMM modules include a register that buffers command and address signals, reducing the load on the memory controller. This buffering allows servers to populate more memory modules per channel without compromising reliability or performance. The Micron DDR5 RDIMM category is optimized for platforms that require consistent uptime, predictable performance, and extensive memory scalability.

In server environments where memory capacity can exceed hundreds of gigabytes or even terabytes, RDIMMs are essential. The category supports enterprise workloads such as cloud infrastructure, virtualization clusters, enterprise resource planning systems, and large-scale analytics. By using ECC registered DDR5 memory, organizations gain enhanced data integrity alongside high-speed performance.

Error Correction Code Memory and Data Integrity

Error Correction Code memory is a defining feature of enterprise-grade RDIMM modules. ECC functionality enables the detection and correction of single-bit memory errors and the detection of multi-bit errors. This capability is critical in environments where data corruption could lead to system crashes, inaccurate calculations, or compromised workloads. The Micron MTC20F1045S1RC48BA2A belongs to a category that prioritizes reliability and data accuracy, making it suitable for financial systems, scientific computing, healthcare platforms, and other mission-critical applications.

ECC memory continuously monitors data stored in memory cells, automatically correcting errors without user intervention. This proactive error management ensures long-term system stability, reduces downtime, and extends the lifespan of server hardware. Within the DDR5 ECC RDIMM category, Micron’s implementation aligns with industry standards and enterprise validation requirements.

32GB Capacity Optimization for Modern Servers

The 32GB capacity of this DDR5 RDIMM module reflects a balanced approach to scalability and performance. Modules in this category are commonly used to build systems with substantial memory pools while maintaining flexibility in configuration. A 32GB RDIMM allows administrators to populate multiple slots efficiently, achieving high total memory capacity without relying on fewer, extremely high-density modules.

This capacity tier is particularly effective in virtualization hosts, where multiple virtual machines share system memory. It also supports in-memory databases, containerized applications, and real-time analytics platforms. The category emphasizes modular scalability, enabling system builders to expand memory configurations as workload demands increase.

Characteristics and Frequency Standards

Operating at 4800MHz, PC5-38400 DDR5 memory modules deliver exceptional throughput compared to previous generations. The performance category represented by this Micron module is designed to meet the bandwidth requirements of modern multi-core processors. As CPU core counts increase, memory bandwidth becomes a critical factor in maintaining performance balance. DDR5 RDIMM memory ensures that processors can access data efficiently, minimizing bottlenecks and latency.

The CL40 latency rating reflects the timing characteristics associated with high-frequency DDR5 operation. While absolute latency values may appear higher than DDR4, the increased clock speed and architectural efficiencies result in improved real-world performance. This category is optimized for sustained workloads where throughput and reliability are more important than raw latency metrics.

Power Efficiency and On-Module Voltage Regulation

DDR5 memory introduces on-module power management integrated circuits, shifting voltage regulation from the motherboard to the DIMM itself. This change improves power delivery efficiency and reduces electrical noise. The DDR5 RDIMM category benefits from more precise voltage control, contributing to lower overall system power consumption and improved thermal characteristics.

For data centers and enterprise environments, power efficiency directly impacts operational costs and cooling requirements. Micron DDR5 RDIMM modules are engineered to operate within strict power and thermal envelopes, making them suitable for dense server deployments and energy-conscious infrastructure designs.

Compatibility with Next-Generation Server Platforms

The Micron MTC20F1045S1RC48BA2A is part of a category designed for compatibility with modern server architectures that support DDR5 RDIMM memory. This includes platforms based on the latest generation of enterprise CPUs from leading manufacturers. DDR5 RDIMM modules require motherboard and chipset support specifically designed for DDR5 signaling, power management, and memory topology.

System integrators and IT professionals rely on validated memory categories to ensure compatibility and stability. Micron’s enterprise DDR5 RDIMM offerings undergo rigorous qualification processes to meet OEM and industry standards. This ensures seamless integration into certified server platforms and reduces deployment risks.

288-Pin RDIMM Form Factor Standards

The 288-pin RDIMM form factor is a standardized physical design that supports DDR5 memory signaling and power requirements. This form factor differs electrically from DDR4, preventing incorrect installation and ensuring proper system compatibility. The category adheres to JEDEC specifications, guaranteeing interoperability across compliant server hardware.

Physical robustness and precise manufacturing tolerances are essential for server memory modules. The DDR5 RDIMM category emphasizes durability, consistent electrical performance, and mechanical stability to support long-term deployment in enterprise environments.

Enterprise Workload Applications

DDR5 ECC RDIMM memory modules are designed to support a wide range of enterprise workloads. This category is particularly well-suited for virtualization platforms that host numerous virtual machines, each with dedicated memory allocations. High bandwidth and reliable error correction ensure consistent performance even under heavy load conditions.

Database servers benefit from DDR5 RDIMM memory by maintaining large in-memory datasets, reducing disk I/O, and accelerating query processing. Analytics platforms, machine learning pipelines, and real-time data processing systems leverage the increased bandwidth and capacity offered by DDR5 memory to improve throughput and scalability.

Thermal Management and Operational Stability

DDR5 RDIMM modules are engineered to operate within defined thermal parameters, even in densely populated server chassis. Efficient power management and optimized PCB layouts contribute to stable thermal behavior. This is essential for maintaining performance and reliability in environments where airflow and cooling efficiency are tightly managed.

Thermal stability directly impacts memory longevity and system uptime. The enterprise DDR5 RDIMM category is designed to perform reliably under sustained workloads and elevated temperatures typical of data center operations.