M393A1G43EB1-CTD Samsung 8GB 2666MHz PC4-21300 DDR4 Memory.

Samsung M393A1G43EB1-CTD 8GB 2666MHz Memory

The Samsung M393A1G43EB1-CTD 8GB DDR4 RDIMM is a dependable and performance-oriented server memory module engineered for enterprise servers, data centers, and workstation platforms. Designed with advanced DDR4 SDRAM technology, this module delivers stable bandwidth, efficient power usage, and reliable data integrity for mission-critical computing environments.

General Information

• Brand: Samsung
• Part Number: M393A1G43EB1-CTD
• Product Category: DDR4 ECC Registered Memory Module
• Module Type: Server / Enterprise RDIMM

Technical Specifications

• Memory Size: 8GB
• Module Count: 1 x 8GB
• Rank Configuration: Dual Rank (2Rx8)
• Memory Speed: 2666MHz
• Bandwidth Rating: PC4-21300
• DDR Standard: DDR4 SDRAM
• CAS Latency: CL19
• Error Checking: ECC (Error-Correcting Code)
• Signal Type: Registered (RDIMM)

Physical Characteristics

Form Factor and Build

• Form Factor: 288-Pin RDIMM
• Designed for enterprise server platforms

Shipping Dimensions and Weight

• Height: 1.00 inch
• Depth: 6.75 inches
• Shipping Weight: 0.20 lb

Samsung M393A1G43EB1-CTD 8GB Memory Overview

The Samsung M393A1G43EB1-CTD 8GB 2666MHz PC4-21300 CL19 ECC Registered Dual Rank DDR4 SDRAM 288-Pin RDIMM Memory Module belongs to an advanced enterprise memory category engineered to support modern server architectures that demand higher bandwidth, improved efficiency, and uncompromising data integrity. This category is defined by DDR4 registered DIMMs equipped with error-correcting code technology, dual rank architecture, and validated timing characteristics that ensure reliable operation in mission-critical environments. Memory modules in this category are purpose-built for servers and enterprise workstations where system stability, uptime, and predictable performance are essential operational requirements.As enterprise workloads continue to evolve toward virtualization-heavy deployments, cloud-native platforms, and data-intensive applications, the need for dependable memory solutions has become increasingly important. This category addresses those needs by combining higher-frequency DDR4 technology with registered buffering and ECC protection.

DDR4 SDRAM Technology at 2666MHz Frequency

DDR4 SDRAM technology represents a mature and widely adopted memory standard in enterprise environments, offering improvements in speed, efficiency, and scalability over earlier generations. Memory modules in this category operate at 2666MHz, delivering a higher data transfer rate compared to baseline DDR4 speeds while maintaining stability across supported server platforms. This frequency aligns with modern processor memory controllers designed to leverage increased bandwidth for multi-core and multi-threaded workloads.The architectural enhancements of DDR4 include increased bank groups, improved command scheduling, and higher-density DRAM chips. These features enable enterprise systems to process concurrent memory requests more efficiently, which is critical for virtualization hosts, database servers, and analytics platforms.

PC4-21300 Bandwidth Characteristics

The PC4-21300 specification defines the theoretical bandwidth supported by this memory category, reflecting its ability to move data efficiently between the processor and memory subsystem. This level of bandwidth supports applications that rely on fast memory access, including in-memory databases, virtual machine consolidation, and high-throughput transactional systems. Unlike consumer-oriented memory solutions that prioritize peak speeds, this category emphasizes consistent throughput and validated performance.Servers configured with PC4-21300 memory benefit from improved responsiveness and reduced contention in memory-intensive scenarios. This balanced bandwidth profile ensures that system performance remains stable even as workloads scale.

Error-Correcting Code Memory and Data Reliability

Error-correcting code functionality is a defining attribute of this memory module category. ECC memory is designed to detect and correct single-bit errors during memory operations while identifying multi-bit errors that could compromise data integrity. In enterprise environments, undetected memory errors can lead to corrupted datasets, application failures, or unpredictable system behavior. ECC protection significantly reduces these risks by maintaining data accuracy at the hardware level.The Samsung M393A1G43EB1-CTD category integrates ECC logic seamlessly into the memory module, allowing error detection and correction to occur transparently without impacting application performance. This capability is especially important for workloads involving financial transactions, healthcare records, scientific simulations, and enterprise resource planning systems.

ECC Contribution to System Stability

Long-running server environments expose memory components to electrical noise, thermal variation, and environmental stress, all of which can contribute to bit-level errors over time. ECC memory continuously monitors data integrity, correcting errors before they propagate into system processes. This proactive protection enhances overall system stability and reduces the likelihood of unexpected downtime.For organizations that depend on continuous availability, ECC registered DDR4 memory is a foundational requirement rather than an optional feature.

Registered DIMM Architecture and Signal Integrity

The registered DIMM, or RDIMM, architecture employed in this category plays a critical role in supporting high-capacity and high-density memory configurations. RDIMMs include a register that buffers command and address signals between the memory controller and the DRAM chips. This buffering reduces the electrical load on the memory controller, improving signal integrity and enabling stable operation when multiple modules are installed per channel.The Samsung M393A1G43EB1-CTD memory module category benefits from this architecture by ensuring reliable communication between processors and memory subsystems even in fully populated server configurations. This stability is essential for enterprise servers that require large memory footprints.

Scalability Benefits for Enterprise Servers

Registered memory allows enterprise servers to scale memory capacity efficiently without sacrificing reliability. Systems can populate more DIMM slots per channel while maintaining stable signal timing. This scalability supports growing workloads and enables incremental memory expansion over time.Such flexibility is valuable for organizations planning long-term infrastructure growth and seeking to maximize the lifespan of their server investments.

Dual Rank Memory Architecture and Performance Efficiency

Dual rank memory architecture is another defining feature of this category. A dual rank RDIMM contains two sets of memory ranks that can be accessed independently, allowing the memory controller to interleave operations and improve overall efficiency. This design enhances effective memory bandwidth and can reduce idle cycles during memory access.The Samsung M393A1G43EB1-CTD category leverages dual rank architecture to provide improved performance consistency in enterprise workloads. This is particularly beneficial in systems running virtualization platforms or database engines that generate frequent and concurrent memory requests.

Rank Interleaving and Throughput Optimization

Rank interleaving allows the memory controller to alternate between ranks, minimizing wait times and improving data throughput. This mechanism enhances utilization of available memory bandwidth, especially under multi-threaded workloads. Dual rank modules often deliver better real-world performance compared to single rank alternatives at the same frequency.This category’s dual rank design supports efficient memory access patterns, contributing to smoother system operation under load.

CAS Latency CL19 Timing Profile

The CAS latency rating of CL19 defines the delay between a memory access request and the delivery of data. In enterprise environments, latency consistency is often prioritized over achieving the lowest possible latency numbers. The CL19 timing profile of this category reflects a balance between higher operating frequency and stable, validated timing behavior.The Samsung M393A1G43EB1-CTD memory module category is designed to maintain consistent latency across prolonged workloads, supporting applications that depend on predictable response times rather than short bursts of speed.

Latency Stability for Mission-Critical Applications

Enterprise applications such as transactional databases and real-time analytics platforms require consistent memory latency to maintain predictable performance. Variability in latency can introduce jitter that affects application responsiveness. By adhering to validated CL19 timings, this category ensures stable latency behavior under sustained load.This predictability contributes to reliable application performance and improved user experience.

8GB Capacity as a Modular Enterprise Building Block

The 8GB capacity of this memory module category serves as a flexible and cost-effective building block for enterprise server configurations. Rather than relying solely on high-capacity modules, many organizations deploy multiple 8GB RDIMMs to achieve balanced memory channel population and redundancy. This approach supports optimal memory interleaving and improves overall system efficiency.The Samsung M393A1G43EB1-CTD category allows administrators to tailor memory configurations precisely to workload requirements, enabling both initial deployment flexibility and future scalability.

Optimized Multi-Channel Server Architectures

Modern server processors utilize multi-channel memory architectures to maximize bandwidth and performance. Memory modules in this category are optimized to function effectively in dual-channel, quad-channel, and higher channel configurations depending on platform capabilities. Proper channel population enhances data throughput and reduces contention.This category supports enterprise systems in achieving balanced memory performance across all channels.

288-Pin DDR4 RDIMM Physical Standard

The standard 288-pin DDR4 RDIMM form factor ensures compatibility with a wide range of enterprise server motherboards. This physical standard defines pin layout, voltage requirements, and mechanical dimensions, simplifying installation and maintenance. Adherence to this standard allows organizations to integrate memory modules seamlessly into existing infrastructures.The robust physical construction of server-grade RDIMMs supports reliable operation in high-density environments where airflow, vibration, and thermal conditions must be carefully managed.

Power Efficiency and Thermal Management

DDR4 memory operates at lower voltages compared to previous generations, contributing to improved power efficiency and reduced heat output. This efficiency is particularly valuable in data center environments where energy consumption and cooling costs are major operational considerations.The Samsung M393A1G43EB1-CTD category is designed to operate reliably within standard data center thermal envelopes, supporting continuous operation without excessive heat generation.

Compatibility with Modern Enterprise Server Platforms

The Samsung M393A1G43EB1-CTD DDR4 ECC registered RDIMM memory category is designed for compatibility with a wide range of modern enterprise server platforms. Support is commonly found in systems built around Intel Xeon and comparable server-class processors that leverage DDR4 RDIMM memory for optimal performance and scalability.Compliance with JEDEC standards ensures interoperability across diverse hardware ecosystems, simplifying procurement and deployment for enterprise IT teams.

BIOS and Firmware-Level Configuration

Enterprise servers rely on BIOS and firmware to configure memory parameters automatically during system initialization. This category is optimized to work seamlessly with these systems, allowing correct configuration of frequency, timing, voltage, and ECC functionality without manual intervention.Automated configuration enhances deployment efficiency and reduces the risk of configuration errors.

Database, Analytics, and Transaction-Oriented Systems

Enterprise databases and analytics platforms rely heavily on system memory for caching, indexing, and real-time data processing. DDR4 ECC registered RDIMM memory modules in this category provide the reliability required to maintain data consistency during intensive operations. Error correction ensures that memory-related faults do not compromise critical datasets.The combination of higher frequency, dual rank architecture, and stable latency characteristics supports transactional workloads that demand predictable response times.

Performance Predictability for Business-Critical Operations

In business-critical environments, consistent performance is more valuable than peak benchmark results. This category is optimized to deliver predictable memory behavior under sustained load, reducing performance variability and supporting stable application operation.The Samsung M393A1G43EB1-CTD category aligns with the requirements of enterprise-grade computing environments.

Data Center Efficiency and Reliability Alignment

Modern data centers prioritize efficiency, scalability, and resilience to support growing digital workloads. DDR4 ECC registered RDIMM memory modules in this category align with these priorities by offering stable performance, efficient power usage, and robust error correction. These characteristics support high-density server deployments with consistent operational behavior.The Samsung M393A1G43EB1-CTD category is optimized for enterprise environments where memory reliability is a critical component of overall system integrity.

Industry Standards Compliance and Ecosystem Integration

This memory module category adheres to established industry standards, ensuring safe operation and broad compatibility across enterprise platforms. Compliance with JEDEC specifications guarantees that electrical, thermal, and mechanical parameters meet defined requirements.Standards alignment simplifies qualification processes for system integrators and reinforces the role of this category as a dependable component within enterprise computing ecosystems.