M393A4K40DB3-CWE Samsung 32GB Memory PC4-25600 DDR4 SDRAM 3200Mhz Ecc Registered

Highlights of Samsung M393A4K40DB3-CWE 32GB DDR4 Memory

The Samsung M393A4K40DB3-CWE is a high-performance 32GB DDR4 ECC Registered (RDIMM) memory module engineered for enterprise servers and professional workstations. Offering fast 3200MHz speed and robust error correction, this RAM module ensures optimal performance, system stability, and reliable data handling for critical computing environments.

General Information

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

Technical Specifications

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

Physical & 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) module
• Dual Rank x4 (2Rx4) configuration
• 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 environments

Compatible Server Brands

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

Overview of Samsung M393A4K40DB3-CWE DDR4 3200MHz Ram

The Samsung M393A4K40DB3-CWE 32GB DDR4 3200MHz PC4-25600 SDRAM ECC Registered 288-Pin RDIMM memory module represents a premium class of enterprise-grade memory designed for high-performance servers, data centers, and professional workstations. This memory category provides advanced reliability, high capacity, and exceptional speed to support mission-critical computing environments. Built on Samsung’s proprietary DRAM technology, these modules ensure long-term stability, enhanced data integrity, and superior performance for applications that demand consistent memory throughput and low latency.

DDR4 SDRAM Technology and Architectural Advancements

DDR4 SDRAM introduces several enhancements over DDR3, including higher memory bandwidth, improved energy efficiency, and increased scalability. The Samsung M393A4K40DB3-CWE module operates at a frequency of 3200MHz, corresponding to a PC4-25600 data rate, which provides substantial performance improvements over lower-speed DDR4 modules. Higher clock rates enable faster data access, reduced latency, and improved overall system responsiveness, making these modules ideal for memory-intensive applications such as virtualization, in-memory databases, cloud computing, and high-performance computing tasks.

PC4-25600 Bandwidth and System Performance

The PC4-25600 rating indicates a maximum theoretical bandwidth of 25.6 GB/s per module, providing high-speed data transfer necessary for enterprise-grade workloads. Applications requiring rapid memory access, such as virtualization platforms, large-scale databases, AI workloads, and high-frequency transaction systems, benefit from the increased bandwidth of the Samsung M393A4K40DB3-CWE category. Multi-channel configurations further amplify the overall memory throughput, ensuring that the server processor consistently receives data for high-performance computation.

32GB High-Capacity Modules for Enterprise Servers

With a 32GB module capacity, the Samsung M393A4K40DB3-CWE RDIMM belongs to the high-density memory category. High-capacity modules allow system architects to maximize total memory per server without exhausting available DIMM slots, providing ample resources for large datasets, virtualization, and in-memory computing. This capacity is particularly beneficial in virtualized environments, allowing a higher number of virtual machines to run concurrently without memory contention. By deploying high-capacity RDIMMs, organizations can achieve greater flexibility in server design, enabling future expansion without the need for immediate hardware replacement.

Dual-Rank x4 Configuration for Performance

The Samsung M393A4K40DB3-CWE module features a 2Rx4 dual-rank design, which improves memory-level parallelism and overall throughput. Dual-rank memory enables the memory controller to interleave access between ranks, enhancing performance in multi-threaded workloads and supporting concurrent application execution. The x4 DRAM chip organization enhances error detection and correction capabilities, ensuring data integrity even under heavy load. Modules with this configuration are suitable for systems requiring high memory reliability, including servers that implement Chipkill technology or advanced ECC features.

ECC Reliability

ECC memory is essential for enterprise environments where data integrity is paramount. The Samsung M393A4K40DB3-CWE module detects and corrects single-bit memory errors in real time, preventing system crashes and protecting data from corruption. ECC functionality ensures reliable performance for critical applications such as financial databases, healthcare systems, cloud computing platforms, and telecommunications infrastructure. Incorporating ECC into RDIMMs enhances system stability and reduces the risk of downtime, providing continuous operation in 24/7 workloads.

Advanced Reliability and Serviceability Features

Combining ECC with registered buffering, the Samsung M393A4K40DB3-CWE category supports advanced features such as memory mirroring, lockstep operation, and enhanced error detection mechanisms. These capabilities are critical in high-availability systems where any uncorrected memory error can affect multiple applications or services. This combination of ECC and RDIMM technology supports enterprise workloads that demand high availability and data accuracy, enabling organizations to meet strict service-level agreements and operational continuity requirements.

288-Pin RDIMM Form Factor

The 288-pin RDIMM form factor is standard for DDR4 registered memory modules, ensuring broad compatibility with enterprise server and workstation motherboards. The Samsung M393A4K40DB3-CWE module conforms to JEDEC specifications, providing predictable performance across platforms such as Intel Xeon and AMD EPYC processors that support DDR4-3200 RDIMM memory. Registered DIMMs are specifically intended for servers and are not interchangeable with unbuffered consumer memory. This memory category allows IT teams to populate multi-channel server architectures with confidence, ensuring consistent system behavior and optimal memory performance across all populated slots.

Platform Flexibility and Enterprise Deployment

The Samsung M393A4K40DB3-CWE category is compatible with a wide array of enterprise-class platforms, allowing organizations to standardize memory across different servers and generations. This compatibility reduces deployment complexity, simplifies maintenance, and ensures predictable performance across heterogeneous server environments. Such flexibility also facilitates scaling memory capacity in multi-socket configurations, enabling IT administrators to adapt to increasing workload demands without redesigning the underlying server infrastructure.

Samsung Quality Assurance SDRAM Manufacturing Excellence

Samsung is globally recognized for its expertise in DRAM technology, and the M393A4K40DB3-CWE memory category reflects the company’s commitment to quality, innovation, and performance. Each module is manufactured using Samsung’s proprietary DRAM chips, ensuring tight integration, precise electrical characteristics, and consistent operational reliability. Enterprise memory modules undergo rigorous testing for electrical performance, thermal stability, and compatibility. This comprehensive validation process guarantees reliable operation under demanding conditions, providing IT teams with confidence when deploying these modules in critical enterprise systems.

Data Center Readiness

The M393A4K40DB3-CWE category is widely OEM-qualified, ensuring that the modules meet stringent manufacturer specifications for server integration. OEM certification guarantees electrical, thermal, and performance compatibility with branded server platforms, reducing deployment risks and ensuring predictable operation. Data center operators rely on such validated memory modules to maintain high uptime, reduce failure rates, and support complex workloads without interruptions. The widespread adoption of Samsung RDIMM memory in enterprise servers underscores its proven reliability and performance consistency.

Thermal Stability and Continuous Workload Reliability

Enterprise memory modules are expected to perform reliably under continuous operation and elevated ambient temperatures. The Samsung M393A4K40DB3-CWE memory category is designed with thermal stability in mind, using high-quality materials and efficient design to maintain performance even in densely populated server racks. Effective heat dissipation ensures consistent module operation without throttling, maintaining long-term reliability and extending component lifespan.

24/7 Operational Endurance

Servers often run continuously, making endurance a critical feature for enterprise memory. The Samsung M393A4K40DB3-CWE modules are engineered to sustain 24/7 operation while maintaining data integrity and performance. This reliability reduces maintenance frequency and minimizes the risk of unexpected downtime, ensuring critical applications remain operational without interruption.

Cloud Infrastructure

High-capacity, high-speed RDIMM modules are essential for virtualization and cloud workloads. The 32GB Samsung M393A4K40DB3-CWE modules provide ample memory resources for hosting multiple virtual machines simultaneously. ECC functionality ensures that errors in one virtual environment do not affect others, supporting stable, predictable performance for cloud and virtualized enterprise infrastructures. Memory reliability and capacity are critical for maximizing VM density and optimizing resource utilization in cloud environments, making this memory category ideal for large-scale data centers and virtualized enterprise deployments.

Database, Analytics, and High-Performance Computing

Enterprise databases and analytical workloads require high-speed memory to manage large datasets and deliver rapid query performance. The Samsung M393A4K40DB3-CWE category allows more data to reside in memory, reducing reliance on slower storage systems and improving application responsiveness. High-performance computing tasks, such as simulations, modeling, and AI processing, benefit from the module’s high speed, low latency, and error-correcting capabilities, ensuring accuracy and consistency in computationally intensive workloads.

Professional Workstations

Beyond server environments, this memory category is suitable for professional workstations in engineering, scientific research, and creative content creation. ECC RDIMM memory ensures that intensive applications such as 3D rendering, video editing, and scientific simulations run reliably without memory-induced errors, maintaining workflow integrity and output accuracy.

Data Center Integrity

DDR4 memory operates at reduced voltage levels compared to previous generations, improving energy efficiency and reducing heat output. The Samsung M393A4K40DB3-CWE memory category leverages these efficiencies to lower operational costs in large-scale data centers. Reduced power consumption decreases cooling requirements, contributing to more sustainable and environmentally responsible infrastructure operations. Efficient energy use also supports cost-effective scaling of enterprise systems, allowing IT departments to deploy additional servers or memory modules without disproportionately increasing energy and cooling expenses.

Scalability and Future-Proof Infrastructure

The high-capacity and high-speed nature of the Samsung M393A4K40DB3-CWE RDIMM modules allows organizations to design scalable, future-ready IT infrastructure. By populating servers with these modules, IT teams can expand memory capacity as workload demands increase, ensuring that infrastructure remains adaptable and future-proof. This scalability reduces the need for frequent hardware refreshes, maximizing the return on investment in enterprise systems.

Enterprise Memory Investment Protection

Organizations evaluating enterprise memory focus not only on performance but also on reliability, longevity, and platform compatibility. The Samsung M393A4K40DB3-CWE modules provide consistent, high-quality performance throughout the lifecycle of enterprise servers, reducing replacement frequency and minimizing the risk of memory-related failures. Robust construction, OEM validation, and high operational reliability ensure that critical workloads continue uninterrupted and data integrity is maintained over time.