M386A8K40DM2-CTD6Y Samsung 64GB PC4-21300 Quad Rank Memory Module

Highlights of Samsung M386A8K40DM2-CTD6Y 64GB DDR4 Ram

The Samsung M386A8K40DM2-CTD6Y is built with a 288-pin LRDIMM form factor, optimized for installation in high-performance servers and workstations. Enhance your server performance with the Samsung M386A8K40DM2-CTD6Y 64GB DDR4-2666MHz LRDIMM memory module. Designed for high-performance computing and enterprise applications, this module ensures reliable and efficient memory expansion for your systems.

General Information

• Manufacturer: Samsung
• Part Number: M386A8K40DM2-CTD6Y
• Product Type: Server Memory Module
• Sub Type: DDR4 SDRAM 2666MHz (PC4-21300)

Technical Specifications

• Storage Capacity: 64GB
• Memory Technology: DDR4 SDRAM
• Number of Modules: 1 x 64GB
• Bus Speed: 2666 MT/s
• Data Integrity: ECC for accurate data processing
• Signal Processing: Registered memory (RDIMM)
• Rank: Quad Rank (4RX4)
• CAS Latency: CL19 for fast memory access

Physical Attributes

• Form Factor: 288-pin LRDIMM
• Shipping Dimensions: 1.00" (H) x 6.75" (D)
• Shipping Weight: 0.20 lbs

Compatibility

Supported Server Platforms

• Enterprise servers requiring 64GB DDR4-2666MHz memory modules
• Workstations with 288-pin LRDIMM memory slots
• Systems compatible with ECC registered (RDIMM) memory
• Quad Rank (4RX4) memory configurations

Overview of Samsung M386A8K40DM2-CTD6Y 64GB PC4-21300

The Samsung M386A8K40DM2-CTD6Y 64GB DDR4-2666MHz PC4-21300 Quad Rank 4RX4 ECC LRDIMM is designed for enterprise-grade servers and high-performance computing environments. This memory module delivers remarkable reliability, speed, and scalability, making it ideal for mission-critical applications, data centers, and advanced workstations. With a 288-pin LRDIMM form factor, it offers robust compatibility with modern server architectures that demand high-capacity and high-speed memory solutions. Samsung, as a leading memory manufacturer, ensures that this module adheres to the strictest standards for performance, energy efficiency, and data integrity, making it a preferred choice among IT professionals and system integrators worldwide.

Memory Architecture

The Samsung M386A8K40DM2-CTD6Y utilizes DDR4 SDRAM technology, operating at a high-speed frequency of 2666MHz. The module features a storage capacity of 64GB, configured as a single module with a Quad Rank 4RX4 design. This architecture enhances the data handling capability, enabling higher memory density without compromising latency. The module operates with ECC (Error-Correcting Code), which detects and corrects single-bit memory errors in real-time, providing enhanced data integrity for critical enterprise applications.

Physical Design and Form Factor

The physical design ensures a compact footprint while providing maximum memory density. Its dimensions, 1.00 inches in height and 6.75 inches in depth, make it compatible with a wide range of server chassis and memory slots. The module’s weight is 0.20 pounds, which allows easy handling and installation without risking physical stress on the motherboard. The high-quality construction materials used in the module enhance durability and heat resistance, ensuring stable operation even under demanding workloads.

Memory Module Performance Characteristics

The 64GB DDR4-2666MHz memory module excels in performance by delivering high-speed data transfer rates and minimal latency. The Quad Rank configuration improves memory bandwidth, enabling faster processing of large datasets and high-intensity computational tasks. ECC functionality guarantees data integrity by correcting errors dynamically, which is particularly critical for enterprise servers, financial computing, and mission-critical database operations. Registered memory support further improves signal stability and allows multiple modules to operate simultaneously without performance degradation.

Advanced System Integration

The Samsung M386A8K40DM2-CTD6Y 64GB DDR4-2666MHz LRDIMM is compatible with a wide variety of server platforms from leading manufacturers. It supports systems that require DDR4-2666/PC4-21300 memory modules with ECC registered capabilities. Its Quad Rank architecture allows the memory module to integrate seamlessly with multi-channel server configurations, maximizing throughput and reducing bottlenecks. When installing multiple modules, maintaining the same memory type, speed, and rank is essential for optimal system performance.

Memory Subcategories and Variants

Within the category of high-capacity DDR4 server memory, the Samsung M386A8K40DM2-CTD6Y belongs to the LRDIMM subcategory, designed for load-reduced operation and higher density configurations. Other related subcategories include RDIMM (Registered DIMM) modules, which provide similar stability but with slightly lower maximum capacity, and UDIMM modules intended for desktop and workstation applications with lower power consumption and simpler memory configurations. LRDIMM modules such as the M386A8K40DM2-CTD6Y are particularly advantageous in servers requiring large memory arrays, as they reduce electrical load while maintaining high data throughput.

Applications in Enterprise Computing

The Samsung M386A8K40DM2-CTD6Y is widely used in enterprise servers, cloud computing infrastructure, and high-performance computing (HPC) environments. Its high capacity allows for efficient management of virtualization workloads, enabling multiple virtual machines to operate concurrently without memory bottlenecks. Data center operators benefit from its error-correcting features, which prevent data corruption in critical storage and computing environments. The module’s high-speed performance and large capacity also make it ideal for scientific computing, big data analytics, and AI training workloads, where memory-intensive tasks require both reliability and speed.

Data Integrity and ECC Functionality

Error-Correcting Code (ECC) memory is a hallmark of the Samsung M386A8K40DM2-CTD6Y module, providing real-time detection and correction of memory errors. This feature ensures data reliability in enterprise servers and high-performance computing systems, where even minor memory errors can result in system crashes or corrupted databases. ECC support is critical for industries handling sensitive or large-scale data, such as financial services, healthcare, cloud computing, and data analytics. By integrating ECC, Samsung provides a memory solution that minimizes downtime, reduces system failures, and ensures consistent performance in demanding operational environments.

Considerations and Best Practices

Installing the Samsung M386A8K40DM2-CTD6Y module requires careful attention to system compatibility and memory slot configuration. For optimal performance, it is recommended to consult the server’s memory compatibility list and ensure that all modules installed are of the same type, speed, and rank. The LRDIMM form factor allows for installation in high-density memory slots, maximizing memory expansion potential without compromising system stability. Proper handling and grounding techniques are essential during installation to prevent electrostatic discharge, which could damage the module or motherboard. Keeping the server BIOS or firmware updated ensures that the memory is recognized correctly and operates at its full rated speed.

Memory Bandwidth and Latency Considerations

The 2666MHz bus speed of the Samsung M386A8K40DM2-CTD6Y provides a balance between bandwidth and latency, ensuring efficient data transfer between the processor and memory. The CAS latency of CL19 contributes to fast response times, allowing memory-intensive applications to perform smoothly. When deployed in multi-module configurations, the Quad Rank 4RX4 design allows for increased parallelism, which significantly improves overall system throughput. IT architects often leverage these characteristics when designing high-performance servers that require predictable memory behavior under heavy loads. Optimizing memory bandwidth and minimizing latency are critical for workloads involving virtualization, large-scale databases, and real-time data processing.

Enterprise Server

In modern enterprise servers, memory capacity and speed directly impact system performance. The Samsung M386A8K40DM2-CTD6Y module enhances server efficiency by supporting high-density memory configurations while reducing electrical loading through its LRDIMM architecture. This allows system administrators to maximize the number of DIMMs installed per memory channel, providing flexibility and scalability. The module’s ECC support and registered design ensure signal integrity and stability even in large server arrays. For enterprises running data-intensive applications, such as ERP systems, cloud services, or virtualized environments, this memory module offers a reliable and scalable solution that meets performance and operational reliability requirements.

Memory Reliability and Thermal Performance

Durability and thermal efficiency are critical for server memory modules operating in data centers. The Samsung M386A8K40DM2-CTD6Y is built with high-quality components that ensure long-term reliability and resistance to thermal stress. Its low-profile design and efficient heat dissipation contribute to stable operation even under continuous heavy workloads. Monitoring memory temperature and ensuring proper airflow within the server chassis is essential for maintaining optimal performance. Samsung’s stringent quality control and testing processes guarantee that each module performs consistently within its specified thermal and electrical parameters, minimizing the risk of memory-related system failures.

Memory Density and Scalability Advantages

The 64GB capacity per module of the Samsung M386A8K40DM2-CTD6Y allows data centers and high-performance servers to achieve significant memory density. Multiple LRDIMM modules can be deployed to create large memory pools, enabling advanced virtualization, in-memory databases, and high-performance computing tasks. The scalability of these modules ensures that enterprises can expand their memory infrastructure without replacing existing hardware, providing cost-effective performance upgrades. By leveraging the high-capacity memory modules, IT teams can optimize server performance, improve workload efficiency, and future-proof their data center infrastructure against growing computational demands.

Server Platform

The Samsung M386A8K40DM2-CTD6Y memory module is compatible with a wide range of server platforms from leading manufacturers. Its support for DDR4-2666/PC4-21300 memory with ECC registered functionality ensures seamless integration into high-performance enterprise servers. Multi-channel memory architectures benefit from the Quad Rank 4RX4 design, which allows multiple modules to operate simultaneously without performance degradation. This compatibility extends to modern virtualization servers, database servers, and cloud computing infrastructures, providing a versatile solution for diverse enterprise workloads.

Cloud Workloads

Virtualized environments require large amounts of stable, high-speed memory to support multiple virtual machines concurrently. The Samsung M386A8K40DM2-CTD6Y’s 64GB capacity and ECC reliability ensure that virtualized workloads operate efficiently without memory-related bottlenecks. Cloud infrastructure providers can deploy these modules to support high-density memory pools, enabling robust service delivery and improved resource allocation. The module’s LRDIMM design also reduces electrical load, which allows for more memory modules per channel, further increasing scalability and performance in virtualized and cloud-based data centers.