M393A4K40BB3-CVFCQ Samsung 32GB 2933MHZ PC4-23400 Cl21 Registered Dual DDR4 SDRAM RDIMM Memory

Highlights of Samsung M393A4K40BB3-CVFCQ 32GB DDR4 Ram

The Samsung M393A4K40BB3-CVFCQ is a high-performance 32GB DDR4 RDIMM memory module engineered for enterprise servers and professional computing environments. With ECC error correction, registered architecture, and optimized CAS latency, this module ensures reliable and consistent performance for demanding workloads.

General Information

• Manufacturer: Samsung
• Part Number: M393A4K40BB3-CVFCQ
• Product Type: Server Memory Module
• Sub Type: DDR4 2933MHz PC4-23400

Technical Specifications

• Total Capacity: 32GB
• Module Quantity: 1 x 32GB
• Rank Structure: 2Rx4 (Dual Rank)
• Memory Speed: 2933 MHz
• Bus Rating: DDR4-23400 / PC4-2933V
• CAS Latency: CL21
• Memory Technology: DDR4 SDRAM
• Error Detection: ECC (Error-Correcting Code)
• Signal Processing: Registered

Physical Specifications

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

Compatibility

Supported Server Platforms

• Dell PowerEdge servers with DDR4 ECC RDIMM support
• HPE ProLiant Gen9, Gen10, and Gen11 servers
• Lenovo ThinkSystem and System x servers
• Supermicro X10, X11, and X12 motherboard platforms
• IBM and other enterprise-class server systems

Processor Compatibility

• Intel Xeon E5-2600 v3 and v4 processors
• Intel Xeon Scalable processors (Bronze, Silver, Gold, Platinum)
• AMD EPYC 7001, 7002, and 7003 series processors

Overview of Samsung M393A4K40BB3-CVFCQ DDR4 2933MHz

The Samsung M393A4K40BB3-CVFCQ 32GB DDR4 2933MHz PC4-23400 CL21 Registered Dual SDRAM RDIMM memory module represents a high-performance memory solution designed for enterprise servers, data centers, and mission-critical computing environments. This category of memory emphasizes reliability, stability, and sustained throughput, making it suitable for workloads that require continuous operation, high availability, and predictable performance under heavy computational demands. Unlike standard consumer-grade memory, enterprise DDR4 RDIMM modules provide features that ensure signal integrity, error correction, and compatibility across multi-socket, multi-channel configurations.

Registered DIMM (RDIMM) Architecture and Benefits

Registered DIMM, or RDIMM, architecture is a defining feature of this memory category. RDIMMs incorporate a register between the memory controller and the DRAM chips that buffers command and address signals, reducing the electrical load on the memory controller. This buffering allows multiple high-capacity modules to be installed per channel without compromising stability or signal integrity. The architecture is particularly advantageous in multi-socket server systems where signal paths are longer, and maintaining timing consistency is critical.

Enhanced Signal Integrity

The register in RDIMM modules ensures accurate transmission of data, command, and address signals to the DRAM chips. By minimizing timing skew and reducing electrical noise, these modules maintain stable performance across all memory channels. This is crucial in enterprise servers that require high-density memory configurations, as it prevents errors and supports consistent throughput, even under sustained workloads.

Load Distribution Across Channels

RDIMM modules effectively distribute electrical load across multiple channels, reducing the risk of signal degradation when servers are fully populated with high-density memory modules. This design aspect supports fault-tolerant, mission-critical applications by maintaining memory performance and stability under high workloads, including virtualization, cloud computing, and large-scale database management.

DDR4 SDRAM Technology and PC4-23400 Performance

The backbone of this memory category is DDR4 SDRAM technology, which delivers higher bandwidth, lower power consumption, and increased memory density compared to previous memory generations. Operating at 2933MHz with a PC4-23400 specification, the Samsung M393A4K40BB3-CVFCQ module provides sustained throughput suitable for demanding enterprise workloads. DDR4 technology enhances energy efficiency and thermal performance, which are essential for data centers and high-density server racks. This memory category prioritizes consistent performance over peak bursts, ensuring that servers running virtualization platforms, in-memory databases, or analytical workloads maintain predictable latency and throughput.

CAS Latency CL21 and Timing Considerations

The CL21 CAS latency of the Samsung M393A4K40BB3-CVFCQ module provides a balance between access speed and stability. Enterprise memory prioritizes predictable timing over the lowest latency, as consistent performance is critical for transactional databases, virtualized workloads, and multi-threaded applications. Stable timing ensures that workloads run smoothly even at maximum memory utilization, which is essential for critical business operations.

Multi-Core Servers

Modern enterprise processors typically feature multiple cores and multiple memory channels. Modules in this category optimize bandwidth across all channels, reducing contention and improving data access efficiency. This capability is particularly beneficial for memory-intensive workloads such as ERP systems, virtualization hosts, and analytical engines, enhancing overall system throughput and responsiveness.

Dual SDRAM Module Design

The dual SDRAM configuration of this memory module provides enhanced electrical stability and increased memory density within a single module. By pairing two SDRAM ranks, the module allows for higher capacity per DIMM while maintaining signal integrity and compatibility with server memory controllers. This design approach supports large-scale deployments where maximizing memory capacity per slot is crucial.

Rank Interleaving and Performance

Dual-rank modules can improve memory performance through rank interleaving, allowing simultaneous access to multiple memory banks. This architecture reduces wait times and increases effective memory throughput for enterprise applications, particularly those with multi-threaded operations or high I/O demands. Dual-rank RDIMM modules enhance reliability by balancing electrical load and providing redundancy in memory access. This design reduces the likelihood of errors caused by signal degradation or high-density configurations, supporting enterprise-grade stability for critical workloads.

ECC Data Protection

Modules in this category often integrate ECC functionality to detect and correct single-bit memory errors, providing an additional layer of protection against data corruption. ECC memory is essential in enterprise environments where uptime and data integrity are paramount. By preventing errors from propagating into system applications and databases, ECC-enabled RDIMM modules support reliable operation of high-availability workloads such as financial transaction systems, healthcare platforms, and cloud computing infrastructures.

System Uptime and Fault Tolerance

ECC memory enhances system reliability by reducing the risk of unplanned downtime caused by memory errors. Enterprise servers equipped with ECC RDIMM modules can maintain high availability, which is critical for mission-critical applications and services requiring continuous operation. Many enterprise server platforms include memory error monitoring systems that track corrected and uncorrected errors. Modules in this category are compatible with these monitoring systems, allowing administrators to implement predictive maintenance strategies. Early detection of potential memory issues ensures timely replacement or upgrades, further improving system reliability and uptime.

Physical Form Factor and 288-Pin RDIMM Design

The Samsung M393A4K40BB3-CVFCQ module conforms to the 288-pin RDIMM standard, providing secure mechanical installation and reliable electrical connections. This form factor is compatible with a wide range of enterprise server motherboards, including rack-mounted, tower, and blade configurations. Physical durability is essential in enterprise environments where thermal fluctuations, airflow variations, and vibrations can affect module stability.

Build Quality and Material Standards

Operating at 1.2V, modules in this category generate less heat and consume less power than previous DDR generations. Efficient thermal performance is critical for high-density server deployments, helping maintain stability under sustained workloads and contributing to overall energy efficiency in data centers. Lower power consumption also reduces operational costs and cooling requirements. Modules in this category are manufactured with high-quality PCBs and components, ensuring long-term mechanical stability and electrical consistency.

Enterprise Server Platforms

This memory category is compatible with a wide range of enterprise server platforms that support DDR4 RDIMM modules. It integrates seamlessly into multi-socket, multi-channel server configurations, supporting high-performance workloads in virtualization, database management, and cloud computing. Samsung’s extensive OEM validation ensures predictable performance and long-term reliability across validated systems.

Automatic BIOS and Firmware Configuration

Enterprise server BIOS and firmware can automatically detect and configure RDIMM modules through standardized SPD profiles. This simplifies deployment, reduces configuration errors, and ensures immediate operational readiness. Proper voltage, frequency, and timing settings are automatically applied, enhancing system stability and reliability. JEDEC compliance guarantees that modules in this category maintain predictable behavior across firmware updates and server platform generations. The Samsung M393A4K40BB3-CVFCQ module supports long-term deployment, providing enterprise systems with consistent performance and reliability over the server lifecycle.

Scalability and Memory Expansion

Scalability is a core attribute of this memory category. With a 32GB capacity per module, administrators can incrementally populate memory channels according to workload requirements, while planning for future expansion. Multi-socket servers can achieve hundreds of gigabytes of total memory, enabling large-scale virtualization, in-memory databases, and analytical applications without compromising performance or stability.

Cloud Applications

Higher capacity RDIMM modules enhance virtualization environments by supporting increased virtual machine density and improved resource allocation. Reliable memory ensures that multi-tenant workloads operate efficiently, while maintaining isolation and data integrity in cloud infrastructures. Enterprise workloads such as in-memory databases, caching systems, and real-time analytics benefit from high-capacity, dual-rank RDIMM modules. Predictable latency and sustained throughput allow these applications to perform optimally, delivering reliable results and fast response times in mission-critical environments.

JEDEC Industry Standards

Modules in this category adhere to JEDEC standards, ensuring interoperability, predictable performance, and long-term reliability. Compliance with industry standards allows enterprise systems to maintain stable operations across heterogeneous hardware platforms and supports future scalability. Enterprise memory modules offer extended availability, enabling replacement, maintenance, and expansion with identical or compatible modules. This ensures consistency in performance and reliability, protecting infrastructure investments and supporting enterprise lifecycle management.

Enterprise Use Cases and Applications

The Samsung M393A4K40BB3-CVFCQ module is designed to support a wide range of enterprise workloads, including ERP platforms, CRM systems, virtualization hosts, transactional databases, and analytics engines. High-capacity RDIMM modules provide consistent memory performance under concurrent access, enabling enterprise applications to maintain high availability and operational efficiency.

Financial and High-Availability Applications

Financial systems and transactional applications require uninterrupted uptime and reliable memory operation. ECC RDIMM modules in this category prevent data corruption, maintain transactional accuracy, and support continuous operation in mission-critical financial environments. High-performance computing, engineering simulations, and large-scale analytics benefit from the high capacity, stability, and dual-rank design of this memory category. Modules ensure accurate computational results and reliable system operation during extended processing workloads.

DDR4 Enterprise Memory Market

The Samsung M393A4K40BB3-CVFCQ module represents a reliable, high-performance solution in the DDR4 enterprise memory market. It balances memory density, bandwidth, and energy efficiency, making it suitable for diverse server platforms and enterprise workloads. Although DDR5 memory is emerging, DDR4 modules in this category remain relevant due to proven reliability, broad platform compatibility, and cost-effective deployment. Enterprises can expand memory capacity and maintain high performance without replacing existing infrastructure, offering both strategic and operational value.

Infrastructure Modules

Modules in this category enable enterprises to extend server lifespans and improve operational efficiency through incremental upgrades. With 32GB capacity, dual-rank design, and energy-efficient DDR4 operation, these modules provide a cost-effective solution for large-scale enterprise deployments.

Strategic IT Planning and Operational Reliability

The Samsung M393A4K40BB3-CVFCQ memory category supports strategic IT planning by offering predictable performance, broad platform compatibility, and sustained operational reliability. Its design emphasizes scalability, stability, and long-term value, establishing it as a critical component of modern enterprise server memory infrastructure.