M393A4K40DB3-CWE Samsung 32GB DDR4 SDRAM 3200Mhz PC4-25600 ECC Registered RAM

Highlights of Samsung M393A4K40DB3-CWE 32GB 3200MHz Ram

The Samsung M393A4K40DB3-CWE is a high-performance 32GB DDR4 ECC Registered (RDIMM) memory module designed for enterprise servers and professional workstations. With a rapid 3200MHz speed and robust error-correcting capabilities, this memory ensures reliable system performance, stability, and data integrity in mission-critical environments.

General Information

• Manufacturer: Samsung
• Part Number: M393A4K40DB3-CWE
• Product Type: Server Memory Module
• Sub Type: DDR4 PC4-25600 3200MHz

Technical Specifications

• Memory Technology: DDR4 SDRAM
• Memory Capacity: 32GB
• Module Configuration: 1 x 32GB
• Bus Speed: DDR4 3200MHz / PC4-25600
• CAS Latency: CL22
• Rank Configuration: Dual Rank x4 (2Rx4)
• Data Integrity: ECC Supported
• Signal Processing: Registered / Buffered

Physical and Form Factor Specifications

• Form Factor: 288-Pin RDIMM
• Height: 1.00 inch
• Depth: 6.75 inches
• Shipping Weight: 0.20 lb

Compatibility

Supported Memory Standards

• DDR4 SDRAM technology
• DDR4-3200 / PC4-25600 standard
• ECC (Error-Correcting Code) supported
• Registered / Buffered RDIMM design
• Dual Rank x4 (2Rx4) architecture
• 288-Pin DIMM slot compatibility

Compatible Server Platforms

• Intel Xeon Scalable processor-based servers
• Intel Xeon Silver, Gold, and Platinum systems
• AMD EPYC enterprise server platforms
• Rack, tower, and blade server architectures

Compatible Server Brands

• Dell PowerEdge servers
• HPE ProLiant servers
• Lenovo ThinkSystem servers
• Supermicro server motherboards
• IBM System x servers

Overview of Samsung M393A4K40DB3-CWE 32GB PC4-25600

The Samsung M393A4K40DB3-CWE 32GB DDR4 3200MHz PC4-25600 SDRAM ECC Registered 288-Pin RDIMM memory module represents a high-performance, enterprise-grade memory solution designed for servers, workstations, and data centers. This category of memory is engineered to meet the demands of modern enterprise applications, virtualization, high-performance computing, and cloud infrastructure. Samsung’s proprietary DRAM technology ensures that modules in this category deliver exceptional reliability, high capacity, and consistent performance across a wide range of server platforms.

DDR4 SDRAM Architecture and Advancements

DDR4 SDRAM represents a significant technological advancement over DDR3 memory, providing higher speeds, increased bandwidth, and lower power consumption. The Samsung M393A4K40DB3-CWE module operates at 3200MHz with a PC4-25600 rating, delivering fast data access, improved throughput, and low latency for memory-intensive workloads. These features are crucial for virtualization, database management, high-frequency trading systems, analytics, and cloud computing applications that rely on consistent memory performance.

PC4-25600 Bandwidth and Performance Benefits

The PC4-25600 specification indicates a maximum theoretical bandwidth of 25.6 GB/s per module, enabling rapid data transfer for enterprise workloads. This high bandwidth ensures that processors are consistently supplied with data, reducing the likelihood of bottlenecks in memory-intensive applications. Tasks such as virtualization, in-memory database processing, AI inference, and high-performance computing benefit from the superior bandwidth of this memory category. When deployed in multi-channel configurations, the cumulative bandwidth provided by the Samsung M393A4K40DB3-CWE modules allows servers to handle large-scale workloads with multiple concurrent processes.

High-Capacity 32GB RDIMM Modules

The 32GB capacity of the Samsung M393A4K40DB3-CWE module places it in the high-density memory category, allowing organizations to maximize system memory without consuming excessive DIMM slots. High-capacity modules are particularly beneficial for virtualized environments, where each virtual machine requires a dedicated portion of system memory. Larger memory pools improve VM density, reduce memory contention, and allow more applications to run concurrently on the same host. High-capacity RDIMMs also support in-memory database operations, large-scale analytics, and high-performance computing tasks.

Dual-Rank x4 DRAM Configuration

The Samsung M393A4K40DB3-CWE memory module features a 2Rx4 dual-rank DRAM configuration, which enhances memory-level parallelism and overall system performance. Dual-rank memory allows the memory controller to interleave access between ranks, improving throughput in multi-threaded and multi-core workloads. This configuration is ideal for enterprise servers that host multiple simultaneous processes or virtual machines. The x4 DRAM chip organization is critical for enabling advanced error correction and reliability features, such as Chipkill technology.

ECC Functionality

ECC memory is a fundamental component of enterprise-class memory modules, and the Samsung M393A4K40DB3-CWE category includes this functionality to ensure high reliability and data integrity. ECC technology detects and corrects single-bit memory errors in real-time, preventing data corruption and system crashes. This is particularly important in environments where servers operate continuously under heavy loads, such as financial systems, healthcare data platforms, and cloud infrastructure. ECC RDIMM modules help organizations maintain service continuity by minimizing unplanned downtime and providing a predictable operational environment.

Advanced Reliability, Availability, and Serviceability (RAS) Features

The combination of ECC and registered buffering enables advanced RAS capabilities, including memory mirroring, lockstep operation, and enhanced error detection. These features are critical for high-availability servers, ensuring that memory errors do not propagate and affect system operation. By maintaining data integrity and operational stability, this memory category supports mission-critical workloads, helping organizations meet strict uptime and performance requirements. Enterprise systems that utilize the Samsung M393A4K40DB3-CWE modules benefit from reduced maintenance costs and fewer interruptions, providing a robust foundation for data centers, cloud services, and high-performance computing clusters.

288-Pin RDIMM Form Factor and Platform

The 288-pin RDIMM form factor is standard for DDR4 registered memory, ensuring compatibility with a wide range of server and workstation platforms. The Samsung M393A4K40DB3-CWE module adheres to JEDEC specifications, providing predictable performance across Intel Xeon and AMD EPYC processors that support DDR4-3200 RDIMM memory. Registered DIMMs are designed specifically for enterprise servers and are not interchangeable with unbuffered desktop memory. The M393A4K40DB3-CWE module category allows IT administrators to populate multi-channel server architectures with confidence, ensuring consistent performance and stability across all populated DIMM slots.

Platform Flexibility and Enterprise Deployment

Samsung’s 32GB DDR4 RDIMM modules offer broad compatibility with enterprise-grade servers, workstations, and high-performance computing platforms. This flexibility allows organizations to standardize memory components across multiple systems, simplifying procurement, deployment, and maintenance. Compatibility with both Intel Xeon and AMD EPYC processors ensures that IT teams can deploy these modules across heterogeneous environments with predictable results. The platform flexibility provided by this memory category allows for easy scaling of memory capacity in multi-socket systems, ensuring that enterprise servers can handle increasing workloads without requiring extensive reconfiguration or additional infrastructure investment.

Samsung DRAM Manufacturing Quality and Reliability

Samsung is a global leader in DRAM technology, and the M393A4K40DB3-CWE memory module category reflects the company’s commitment to quality, innovation, and reliability. Samsung manufactures its own DRAM chips, ensuring tight control over production processes, component quality, and electrical characteristics. This vertical integration allows for rigorous testing and quality assurance, resulting in memory modules that consistently meet enterprise-grade standards. Each module undergoes extensive validation, including electrical, thermal, and compatibility testing, to ensure reliable operation under demanding server workloads.

Data Center Readiness

The Samsung M393A4K40DB3-CWE memory modules are widely OEM-qualified for use in enterprise servers and workstations. OEM validation ensures that modules meet strict specifications for electrical performance, thermal management, and system compatibility, reducing the risk of integration issues. Data center operators and enterprise IT teams value this certification for predictable deployment and reduced maintenance complexity. Validation ensures that servers equipped with these modules operate reliably under continuous workloads, maintaining consistent performance, and providing a stable foundation for high-demand applications.

Thermal Performance and 24/7 Operational Reliability

Enterprise memory modules must operate effectively under continuous load and elevated ambient temperatures. The Samsung M393A4K40DB3-CWE category is designed with thermal stability in mind, using high-quality components and optimized module design to maintain performance and longevity. Efficient heat dissipation ensures that these modules perform reliably in densely populated server racks without throttling or thermal-related failures. Continuous 24/7 operation is a standard requirement for enterprise servers. The M393A4K40DB3-CWE modules are engineered to handle sustained workloads, ensuring that critical applications remain operational without interruption.

Cloud Workloads

Virtualized environments place significant demands on system memory. The 32GB Samsung M393A4K40DB3-CWE RDIMM modules provide sufficient resources for hosting multiple virtual machines concurrently. ECC functionality ensures that errors in one virtual machine do not affect others, providing a stable, predictable environment for cloud infrastructure and enterprise virtualization platforms. Memory reliability and capacity are essential for optimizing VM density, resource allocation, and performance in data center environments. This memory category supports high-performance cloud deployments, enabling organizations to scale compute resources efficiently while maintaining operational stability.

Database, Analytics High-Performance Computing Applications

Enterprise databases, analytical workloads, and high-performance computing tasks rely on high-speed, reliable memory for efficient operation. The Samsung M393A4K40DB3-CWE category allows more data to reside in memory, reducing dependency on slower storage systems and improving application responsiveness. High-performance computing workloads, including simulations, modeling, and AI processing, benefit from low-latency access, high bandwidth, and error-correcting capabilities, ensuring accurate and efficient computation.

Professional Workstation Applications

Beyond server environments, this memory category is suitable for professional workstations used in engineering, scientific research, media production, and content creation. ECC RDIMM memory ensures long computational tasks, rendering operations, and simulations complete without memory-induced errors, maintaining workflow integrity and output accuracy. High-speed performance allows users to manage large files, complex datasets, and intensive workloads with minimal delays.

Operational Benefits

DDR4 memory operates at lower voltage levels compared to previous generations, reducing power consumption and heat generation. The Samsung M393A4K40DB3-CWE modules leverage these efficiencies to optimize energy usage in data centers, lowering operational costs and reducing cooling requirements. Efficient energy use supports large-scale deployments without increasing environmental impact, contributing to more sustainable IT infrastructure management. Reduced heat output also enhances system reliability by preventing thermal throttling, allowing servers to maintain peak performance while operating under demanding conditions. The energy efficiency of this memory category provides tangible cost and operational benefits in large enterprise deployments.

Scalability and Future-Proof Infrastructure

The high-capacity, high-speed RDIMM modules in this category allow organizations to design scalable, future-ready IT infrastructure. Populating servers with 32GB modules ensures that memory capacity can grow with workload demands, providing long-term flexibility and reducing the need for frequent hardware refreshes. This capability supports enterprise expansion, virtualization growth, and high-performance computing initiatives, protecting infrastructure investments over time.

Enterprise Memory Investment Protection

Organizations evaluating memory solutions prioritize reliability, performance, and lifecycle value. The Samsung M393A4K40DB3-CWE modules provide consistent, high-quality operation throughout the lifespan of enterprise servers, reducing replacement frequency and minimizing the risk of memory-related failures. The combination of ECC, registered buffering, high bandwidth, thermal stability, and OEM validation ensures that mission-critical workloads continue uninterrupted, safeguarding both data integrity and operational continuity. This memory category protects enterprise investments by delivering high performance, scalability, and reliability in a single module.