M321R4GA3PB2-CCPKF Samsung 32GB PC5-51200 DDR5-6400MHz 2Rx8 ECC Memory Module

Samsung M321R4GA3PB2-CCPKF 32GB DDR5 Memory Module Overview

The Samsung M321R4GA3PB2-CCPKF is a high-performance 32GB DDR5 memory module designed to meet the increasing demands of next-generation enterprise servers, high-performance computing systems, and data center applications. As part of Samsung’s premium line of DDR5 registered ECC (RDIMM) memory, this module brings together advanced architecture, superior bandwidth capabilities, and robust error correction features to deliver unmatched reliability and performance. This PC5-51200 module runs at an impressive 6400MHz, making it ideal for workloads that require high memory throughput and low latency.

DDR5 Technology and Its Advantages

DDR5, the fifth generation of Double Data Rate Synchronous Dynamic Random-Access Memory (DDR SDRAM), marks a significant leap over its predecessor, DDR4. Designed to offer higher capacity, faster speeds, and improved power efficiency, DDR5 memory modules like the M321R4GA3PB2-CCPKF enable greater performance scalability in modern computing infrastructures.

Bandwidth and Speed

The Samsung 32GB PC5-51200 DDR5-6400MHz module operates at a staggering 6400 MT/s (mega transfers per second), significantly improving data transfer rates. This enhanced bandwidth facilitates faster data access and reduced latency, crucial for compute-intensive applications such as artificial intelligence (AI), machine learning (ML), big data analytics, and real-time processing.

Power Efficiency and Voltage

Operating at just 1.1 volts, this DDR5 module improves power efficiency over DDR4 memory which typically runs at 1.2V. The reduction in voltage not only helps lower power consumption, thereby decreasing overall energy costs, but it also contributes to better thermal performance within servers and data centers.

On-Die ECC and Enhanced Reliability

One of the key features of DDR5 memory is the inclusion of on-die ECC (Error Correction Code), which enhances the overall reliability of the memory module by detecting and correcting bit-level errors at the chip level. When combined with the module-level ECC found in RDIMM modules like the M321R4GA3PB2-CCPKF, this results in a highly stable memory solution capable of operating continuously in mission-critical environments.

ECC Registered (RDIMM) Architecture

ECC Registered DIMMs, commonly referred to as RDIMMs, include an additional register between the DRAM modules and the memory controller. This architecture enhances the module’s stability, particularly in systems with large amounts of RAM.

Enhanced Signal Integrity

The inclusion of a register in RDIMMs improves signal integrity, especially as memory density and frequency increase. This ensures reliable communication between the memory controller and DRAM modules, which is essential for high-performance computing and enterprise workloads.

Error Correction and Stability

RDIMMs also offer robust error detection and correction capabilities via ECC, which corrects single-bit errors and detects double-bit errors. This feature is vital in environments where uptime and data integrity are paramount, such as in cloud infrastructure, financial systems, and medical data centers.

Module Configuration 2Rx8 Dual Rank

The Samsung M321R4GA3PB2-CCPKF is configured as a 2Rx8 dual rank module, which means it contains two ranks of DRAM chips, each 8 bits wide. This dual-rank configuration enables better data throughput compared to single-rank modules and allows for greater memory capacity and improved channel utilization.

Benefits of Dual Rank Memory

• Improved data throughput due to interleaving
• Higher capacity for better multitasking
• Enhanced performance in multi-threaded applications
• Optimized for server workloads and virtualization environments

Compatibility with Modern Server Platforms

Dual rank modules like the M321R4GA3PB2-CCPKF are commonly supported by leading server platforms from Intel and AMD. These modules seamlessly integrate with next-gen CPUs that are optimized for DDR5 memory, ensuring forward compatibility and future-proofing server investments.

PC5-51200 What It Means

The PC5-51200 classification indicates a theoretical bandwidth of 51.2 GB/s, derived from its 6400MHz data rate. This makes the Samsung M321R4GA3PB2-CCPKF one of the highest-performing memory modules available, ideal for applications requiring rapid data processing.

Bandwidth-Intensive Use Cases

• Data center operations requiring high IOPS
• Scientific simulations and modeling
• Media and video rendering platforms
• Virtual desktop infrastructure (VDI) deployments

Latency and CAS Timing CL52

The CL52 CAS latency of this module is indicative of its internal read/write cycle delay. While DDR5 modules may exhibit higher CAS latencies than DDR4, this is offset by their much higher data transfer rates, resulting in overall better performance metrics.

Latency Optimization

CL52 timing allows for improved read access and minimized delay in high-frequency operations. When integrated with modern CPUs that can efficiently handle DDR5 timings, the performance is noticeably better compared to older generation memory.

Applications of Samsung M321R4GA3PB2-CCPKF DDR5 RDIMM

The Samsung 32GB DDR5 RDIMM module serves a wide range of high-demand enterprise applications. It is engineered for server-grade performance and is particularly well-suited for systems that must process large datasets quickly and accurately.

Data Centers and Cloud Infrastructure

Cloud platforms that deliver services like SaaS, PaaS, or IaaS benefit from the high bandwidth and low power consumption of DDR5 memory. RDIMMs ensure system uptime and memory consistency across vast virtualized environments.

Enterprise Virtualization

In virtualized environments, such as those using VMware, Hyper-V, or KVM, the M321R4GA3PB2-CCPKF module enables efficient memory partitioning and dynamic allocation across multiple virtual machines (VMs), ensuring stability and performance across workloads.

Scientific and Engineering Applications

Applications in physics simulations, genomic sequencing, finite element analysis (FEA), and computational fluid dynamics (CFD) benefit from the low-latency and high-bandwidth capabilities of this module, making it indispensable in R&D labs and HPC clusters.

AI, ML, and Deep Learning Frameworks

Machine learning frameworks like TensorFlow, PyTorch, and Apache MXNet require enormous memory bandwidth to train complex models. The Samsung DDR5 RDIMM offers the speed and capacity needed to support faster training times and deeper networks.

Build Quality and Reliability

Samsung, as a world leader in semiconductor technology, ensures that each DDR5 module is built to the highest standards of durability and performance. From DRAM die selection to module-level testing, every aspect of the M321R4GA3PB2-CCPKF is optimized for reliability.

Thermal Management and Heat Dissipation

The module is engineered to minimize heat generation and is compatible with server environments that maintain consistent airflow. This ensures thermal stability and reduces the risk of overheating, even under prolonged full-load conditions.

Extended Uptime and Low Failure Rate

With ECC and RDIMM architecture, the Samsung 32GB DDR5 module minimizes the likelihood of data corruption, which is critical in 24/7 enterprise operations where downtime can result in significant financial losses.

Compatibility and Considerations

The M321R4GA3PB2-CCPKF DDR5 RDIMM is compatible with a broad range of server motherboards that support DDR5 memory. However, due to its registered ECC nature, it is not suitable for consumer-grade desktops or laptops, and is intended strictly for enterprise-grade hardware.

Motherboard and BIOS

For optimal performance, ensure the server motherboard firmware (BIOS/UEFI) is updated to the latest version that supports DDR5 RDIMM modules. Some motherboards may require configuration to enable ECC functionality or to adjust memory timings for maximum stability.

Multi-Channel Memory Configurations

For performance optimization, it's recommended to install RDIMMs in matched sets across multiple channels, leveraging the benefits of interleaved memory access. This ensures peak performance, especially in quad-channel or eight-channel memory architectures.

Future-Proofing Enterprise Infrastructure

As server platforms transition from DDR4 to DDR5, investing in high-speed RDIMMs like the M321R4GA3PB2-CCPKF offers long-term scalability and performance benefits. It supports future upgrades and emerging software ecosystems that demand higher memory bandwidth.

Industry Trends Toward DDR5

Major industry players—including Intel with its Sapphire Rapids Xeon processors and AMD with EPYC Genoa—are embracing DDR5 architecture, setting the stage for widespread adoption. Using DDR5 now ensures compatibility with the evolving tech landscape.

Choose Samsung Server Memory

Samsung's leadership in DRAM innovation is unmatched, delivering server memory modules that consistently outperform competitors in both speed and reliability. With extensive compatibility testing and industry certification, the Samsung M321R4GA3PB2-CCPKF stands out as a top-tier choice for enterprise IT departments and OEM integrators.

Certified Compatibility and Trusted Brand

Samsung server memory is widely certified by major OEMs including Dell, HPE, Lenovo, and Cisco. With global support and robust warranty coverage, Samsung offers peace of mind for IT professionals and system integrators.