M321R8GA0BB0-CQKVG Samsung DDR5 64GB 4800mhz PC5-38400 ECC Reg SDRAM Ram

Samsung M321R8GA0BB0-CQKVG 64GB Pc5-38400 Memory

High-capacity DDR5 M321R8GA0BB0-CQKVG server memory modules are designed to meet the demanding workloads of modern data centers, virtualization platforms, cloud infrastructures, and enterprise servers. This category focuses on advanced registered DDR5 SDRAM solutions that deliver higher bandwidth, improved reliability, and better power efficiency compared to previous memory generations. These modules are purpose-built for mission-critical environments where uptime, data accuracy, and scalability are essential.

Product Details

• Brand: Samsung
• Part Number: M321R8GA0BB0-CQKVG
• Product Type: 64GB DDR5 SDRAM Memory Module

Technical Specifications

• Capacity: 64GB
• Type: DDR5 SDRAM
• Configuration: 1 x 64GB
• Bus Speed: 4800Mbps (DDR5-4800/PC5-38400)
• Error Correction: ECC (Error-Correcting Code)
• Signal Processing: Registered
• CAS Latency: CL40
• Rank Configuration: Dual Rank

Performance Features

• Bus Speed: 4800 Mbps (DDR5-4800/PC5-38400)
• Error Checking: ECC (Error-Correcting Code)
• Signal Processing: Registered
• CAS Latency: CL40
• Rank Type: Dual Rank

Key Highlights and Functional Advantages

• Optimized for enterprise servers and workstation-grade systems
• High-density 64GB module for memory-intensive applications
• Next-generation DDR5 architecture for faster data throughput
• Enhanced signal integrity through registered design
• Error correction support for improved data reliability

Registered Signal Processing Design

• Registered (RDIMM) architecture improves signal stability
• Reduces electrical load on the memory controller
• Enables higher memory capacities per system
• Improves scalability in multi-DIMM server configurations

Single Module, High-Density Deployment

• One module configuration: 1 × 64GB
• Supports simplified upgrades and flexible scaling
• Ideal for systems with limited DIMM slots

288-Pin RDIMM Form Factor

• Industry-standard 288-pin registered DIMM layout
• Designed specifically for server and workstation platforms
• Not compatible with desktop or unbuffered DIMM slots

Samsung M321R8GA0BB0-CQKVG 64GB Memory Module

This specific memory module is a meticulously crafted component built to Samsung's M321R8GA0BB0-CQKVG renowned standards for quality and performance. Let's break down its key specifications and what they mean for your server infrastructure. In the realm of enterprise computing, server memory is not merely a component; it is the critical workspace that determines the speed, capacity, and reliability of data processing. The transition to DDR5 SDRAM (Synchronous Dynamic Random-Access Memory) represents a monumental leap from previous generations, offering transformative improvements in bandwidth, power efficiency, and error management.

Capacity: 64GB

The M321R8GA0BB0-CQKVG 64GB capacity per dual in-line memory module (DIMM) is a sweet spot for modern servers. It enables high memory density in multi-socket platforms, allowing system builders to achieve terabytes of total RAM in a single chassis without excessive slot consumption. This is crucial for memory-intensive applications like in-memory databases (e.g., SAP HANA), virtualized environments with high consolidation ratios, and real-time analytics platforms.

The Samsung M321R8GA0BB0-CQKVG belongs to a premium class of server-grade DDR5 memory modules engineered for continuous operation and intensive multitasking. With a substantial 64GB capacity in a single module, it enables system architects to maximize memory density while maintaining fewer occupied DIMM slots, supporting efficient server expansion strategies.

Advanced DDR5 Memory Technology

DDR5 SDRAM represents a major leap forward in memory performance. Compared to DDR4, DDR5 offers significantly higher bandwidth, better power management, and improved efficiency per watt. This category is ideal for workloads such as large-scale databases, virtualization, artificial intelligence, analytics, and high-performance computing environments.

Speed: 4800MHz

The Samsung M321R8GA0BB0-CQKVG DDR5 SDRAM boasts an impressive speed of 4800MHz. This high-speed capability offers users a range of benefits that greatly enhance system performance and responsiveness.

The Architectural Pillars of DDR5 Technology

DDR5 memory introduces fundamental architectural changes designed to overcome the bottlenecks of DDR4. Its innovations are not incremental but foundational, enabling a new era of server performance and scalability. A key advancement is the doubling of the burst length from 8 (DDR4) to 16. This allows for a larger chunk of data to be moved with each column access, significantly improving efficiency in sequential data transfers common in server workloads. Furthermore, DDR5 expands the number of bank groups, which are independent units within the memory chip that can be accessed concurrently. This architectural parallelism drastically reduces access latency and increases overall data throughput, allowing the CPU to be fed with data more consistently.

Reliability

Server environments demand uncompromising reliability. This category of DDR5 memory modules integrates advanced data protection mechanisms to minimize system errors and reduce the risk of data corruption. These features are essential for businesses that rely on continuous availability and accurate data processing.

Form Factor and Registered DIMMs (RDIMMs)

This module is almost certainly a Registered DIMM (RDIMM). RDIMMs incorporate a register (or buffer) on the module that sits between the memory controller and the DRAM chips. This register buffers the command and address signals, reducing the electrical load on the memory controller.

Thermal Management

Server DIMMs often operate in high-ambient-temperature environments within densely packed chassis. Samsung M321R8GA0BB0-CQKVG modules utilize high-quality components and PCB designs optimized for efficient heat dissipation. Many server-grade modules, including variants of this type, may also feature a Thermal Sensor On-Die (TSOD) or support for PMIC (Power Management Integrated Circuit) thermal monitoring, allowing the system to proactively manage airflow or throttle performance if needed to protect the hardware.

Compatibility

The 288-Pin form factor is widely supported by motherboards and systems, ensuring compatibility across a broad range of devices. Whether you're building a new system or upgrading an existing one, you can be confident that the Samsung M321R8GA0BB0-CQKVG DDR5 SDRAM will fit seamlessly into your setup. Deploying the Samsung M321R8GA0BB0-CQKVG requires careful attention to platform compatibility. It is designed for server and workstation platforms utilizing Intel Xeon Scalable Processors (Sapphire Rapids, Emerald Rapids, and later generations) and AMD EPYC 7004 "Genoa" and 8005 "Siena" series processors (and beyond). These platforms feature memory controllers specifically designed to leverage DDR5's capabilities, including support for the 1.1v operating voltage and the DDR5 RDIMM protocol.