M386ABG40M5B-CYFB0 Samsung 256GB PC4-23400 LRDIMM Memory Module

Main Details of Samsung 256GB PC4-23400 RAM

Discover high-performance server memory designed for speed, reliability, and efficiency. The Samsung M386ABG40M5B-CYFB0 delivers exceptional capacity and advanced features for enterprise workloads.

General Specifications

• Brand: Samsung
• Part Number: M386ABG40M5B-CYFB0
• Category: 256GB DDR4 SDRAM Memory Module

Technical Specifications

Performance Attributes

• Storage Capacity: 256GB
• Memory Technology: DDR4 SDRAM
• Module Count: 1 x 256GB
• Bus Speed: 2933 Mbps DDR4-2933 / PC4-23400

Reliability Features

• Data Integrity: ECC (Error-Correcting Code)
• Signal Processing: Registered
• CAS Latency: CL21
• Rank Configuration: Octal Rank x4

Physical Characteristics

Design & Build

• Form Factor: 288-pin LRDIMM

Dimensions

• Height: 1.00 inches
• Depth: 6.75 inches

Weight

• Shipping Weight: 0.20 lb

Key Benefits

• Massive 256GB capacity for demanding applications
• High-speed DDR4-2933 performance for faster data processing
• ECC support ensures data accuracy and system stability
• Registered design enhances reliability in enterprise environments
• Optimized for servers and data centers requiring octal rank memory

Enterprise-Class DDR4 LRDIMM Memory Category Overview

The Samsung M386ABG40M5B-CYFB0 256GB DDR4 LRDIMM memory module belongs to the enterprise-grade server memory category designed for large-scale computing environments where capacity, stability, and sustained performance are critical. This category focuses on high-density registered memory modules engineered to support modern data centers, virtualization platforms, cloud infrastructures, and mission-critical workloads. Unlike consumer-grade memory, enterprise LRDIMM solutions are optimized for reliability, signal integrity, and compatibility with multi-socket server architectures operating under continuous load conditions.

Server memory modules in this category are purpose-built to meet stringent industry standards, ensuring consistent performance across demanding enterprise applications such as in-memory databases, large-scale analytics, enterprise resource planning systems, and high-performance computing clusters. The Samsung M386ABG40M5B-CYFB0 represents a high-capacity solution within this category, delivering 256GB per module to enable efficient memory scaling while maintaining electrical stability across populated memory channels.

DDR4 LRDIMM Architecture and Design Principles

Load Reduced Dual In-Line Memory Modules are engineered to address the challenges of scaling memory capacity in enterprise server platforms. The architectural design of LRDIMM memory incorporates a memory buffer that isolates the memory controller from the electrical load of the DRAM chips. This design allows servers to support higher-capacity modules without compromising signal integrity or system stability, even when multiple memory slots are populated.

The DDR4 technology used in the Samsung M386ABG40M5B-CYFB0 operates at 2933Mbps, providing a balance between throughput and power efficiency. DDR4 memory improves upon previous generations by delivering higher bandwidth per pin, reduced operating voltage, and enhanced reliability features. These attributes are essential for enterprise environments where memory bandwidth and latency directly influence application performance and overall system responsiveness.

Load Reduction and Signal Integrity Advantages

LRDIMM modules utilize a register and data buffer that significantly reduce the electrical load presented to the memory controller. This enables the deployment of high-capacity modules such as 256GB DIMMs while maintaining stable operation at rated speeds. In large-scale server configurations, this load reduction is essential for achieving maximum memory capacity per CPU socket without requiring a reduction in operating frequency.

The Samsung M386ABG40M5B-CYFB0 leverages advanced signal conditioning techniques within its buffer circuitry to ensure clean data transmission across the memory bus. This contributes to reduced error rates, improved system uptime, and consistent performance in environments where servers operate continuously under heavy workloads.

High-Density 256GB Memory Capacity Use Cases

The 256GB capacity of this DDR4 LRDIMM module positions it within a specialized subcategory of ultra-high-density server memory. This capacity is particularly valuable in enterprise environments that prioritize memory consolidation, enabling fewer modules to deliver greater total system memory. By reducing the total number of DIMMs required, organizations can improve airflow, reduce power consumption, and simplify system maintenance.

High-capacity memory modules are essential for applications that rely heavily on large memory footprints. These include virtualization platforms hosting numerous virtual machines, in-memory databases that store entire datasets in RAM, and real-time analytics systems that process massive volumes of data with minimal latency.

Virtualization and Cloud Infrastructure Optimization

In virtualized environments, memory density directly affects the number of virtual machines that can be supported per host. The Samsung M386ABG40M5B-CYFB0 enables administrators to allocate generous memory resources to each virtual machine without exhausting physical DIMM slots. This supports higher consolidation ratios and improved resource utilization, leading to lower total cost of ownership.

Cloud service providers benefit from high-density LRDIMM memory by achieving scalable memory configurations that align with multi-tenant workloads. The ability to deploy fewer, larger modules simplifies capacity planning and enables rapid scaling as customer demand grows.

In-Memory Databases and Data Analytics Platforms

Enterprise databases designed for in-memory operation rely on large, contiguous memory pools to deliver low-latency query performance. The 256GB capacity of this Samsung LRDIMM supports these requirements by allowing substantial datasets to reside entirely in system memory. This reduces dependency on storage I/O and significantly accelerates transaction processing and analytical queries.

Data analytics platforms that process real-time streams or large historical datasets benefit from increased memory availability. High-density memory modules reduce the need for frequent data swapping, ensuring consistent performance even under peak analytical workloads.

Responsiveness Characteristics and Memory Speed

Operating at 2933Mbps, the Samsung M386ABG40M5B-CYFB0 delivers reliable memory bandwidth suitable for a wide range of enterprise workloads. This speed aligns with supported memory frequencies in many enterprise server platforms, ensuring compatibility and stable operation without requiring overclocking or non-standard configurations.

The PC4-23400 specification indicates a theoretical peak bandwidth that supports high-throughput data processing. This level of performance is critical in multi-core server CPUs where multiple threads access memory concurrently. Adequate memory bandwidth prevents bottlenecks and ensures that processor resources are fully utilized.

Latency Considerations in Enterprise Memory

While raw bandwidth is an important metric, latency also plays a significant role in overall system performance. DDR4 LRDIMM modules are optimized to maintain predictable latency characteristics even at high capacities. The buffering architecture used in LRDIMM memory helps stabilize signal timing, contributing to consistent access latencies across all memory channels.

For enterprise applications that rely on deterministic performance, such as financial transaction processing or real-time data analysis, predictable memory latency is essential. The Samsung M386ABG40M5B-CYFB0 is designed to meet these requirements by adhering to strict timing specifications and quality standards.

Reliability, Error Correction, and Data Integrity

Enterprise memory modules prioritize reliability and data integrity to support mission-critical operations. The Samsung M386ABG40M5B-CYFB0 incorporates advanced error correction mechanisms that detect and correct memory errors before they impact system stability or data accuracy. This level of protection is essential in environments where even minor data corruption can have significant consequences.

LRDIMM modules typically support ECC functionality, which enables the correction of single-bit errors and detection of multi-bit errors. This feature enhances system uptime and reduces the risk of application crashes or data loss caused by memory faults.

Long-Term Stability and Continuous Operation

Servers deployed in enterprise data centers often operate continuously for extended periods. Memory modules in this category are engineered to withstand sustained thermal and electrical stress while maintaining consistent performance. The Samsung M386ABG40M5B-CYFB0 undergoes rigorous validation to ensure long-term stability under real-world operating conditions.

This emphasis on durability makes high-density LRDIMM memory suitable for critical workloads that demand uninterrupted availability, including financial systems, healthcare platforms, and large-scale e-commerce environments.

Compatibility with Enterprise Server Platforms

The Samsung M386ABG40M5B-CYFB0 is designed for compatibility with a wide range of enterprise server platforms that support DDR4 LRDIMM memory. This includes multi-socket server architectures commonly used in data centers, where memory scalability and bandwidth are key considerations.

By adhering to industry-standard form factors and electrical specifications, this memory module integrates seamlessly into supported systems. This simplifies deployment and reduces the risk of compatibility issues during upgrades or expansions.

288-Pin Form Factor and Installation Considerations

The 288-pin DIMM form factor is the standard for DDR4 server memory, ensuring physical compatibility with modern server motherboards. This standardized design allows system administrators to plan memory upgrades with confidence, knowing that modules will fit securely and function as intended.

Proper installation and population guidelines should be followed to maximize performance and stability. High-capacity LRDIMM modules are typically installed in matched configurations to ensure balanced memory channels and optimal bandwidth utilization.

Energy Efficiency and Thermal Management

Energy efficiency is an important consideration in enterprise environments where power consumption and cooling costs can significantly impact operational budgets. DDR4 memory operates at lower voltages compared to previous generations, contributing to reduced power draw per module.

The Samsung M386ABG40M5B-CYFB0 is designed to balance high capacity with efficient power usage, making it suitable for dense server configurations where thermal management is critical. Efficient heat dissipation helps maintain stable operation and prolongs component lifespan.

Impact on Data Center Power Optimization

By consolidating memory capacity into fewer high-density modules, organizations can reduce the total number of DIMMs required per server. This consolidation can lead to lower overall power consumption and simplified cooling strategies. High-density LRDIMM memory supports data center initiatives focused on sustainability and energy efficiency without compromising performance.

Enterprise Workload Scalability and Future-Proofing

As enterprise workloads continue to grow in complexity and scale, memory requirements are expected to increase accordingly. High-capacity memory modules such as the Samsung M386ABG40M5B-CYFB0 provide a future-proof solution that allows organizations to scale memory resources without frequent hardware changes.

Investing in high-density DDR4 LRDIMM memory enables IT teams to extend the usable lifespan of existing server platforms while accommodating evolving application demands. This approach supports long-term infrastructure planning and reduces the need for disruptive system overhauls.

Supporting Emerging Enterprise Technologies

Emerging technologies such as artificial intelligence, machine learning, and advanced analytics place significant demands on system memory. Large memory pools enable faster model training, real-time inference, and efficient data processing. The high capacity and reliable performance of enterprise LRDIMM memory make it well-suited for these advanced workloads.

By integrating high-density memory modules into their infrastructure, organizations can position themselves to take advantage of new technologies and maintain a competitive edge in data-driven industries.