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Computer & Network CablesM321R8GA0BB0-CQKDG Samsung DDR5 RAM 64GB PC5-38400 4800mhz
M321R8GA0BB0-CQKDG
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Brief Overview of M321R8GA0BB0-CQKDG
Samsung M321R8GA0BB0-CQKDG 64GB PC5-38400 4800mhz DDR5 RAM. New Sealed in Box (NIB) with 3 Years Warranty
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Description
Samsung M321R8GA0BB0-CQKDG 64GB DDR5 Memory
The Samsung M321R8GA0BB0-CQKDG memory module represents a new generation of enterprise-class DDR5 SDRAM engineered to support demanding server and workstation workloads. With an expansive 64GB capacity in a single module, this solution is optimized for data-intensive applications, virtualization platforms, database processing, and advanced analytics environments where memory density and reliability are critical.
Product Details
- Brand: Samsung
- Model Number: M321R8GA0BB0-CQKDG
- Product Type: DDR5 SDRAM Memory Module
- Module Capacity: 64GB Single DIMM
Technical Specifications
- Total Capacity: 64GB
- Memory Technology: DDR5 SDRAM
- Module Configuration: 1 × 64GB
- Rank Structure: Dual Rank
Speed and Timing Characteristics
- Memory Speed: DDR5-4800
- Bus Speed Rating: PC5-38400
- CAS Latency: CL40
Physical and Shipping Attributes
- Form Factor: 288-pin RDIMM
- Shipping Height: 1.00 inch
- Shipping Depth: 6.75 inches
- Shipping Weight: Approximately 0.20 lb
Key Value Highlights
- High-density 64GB capacity in a single RDIMM
- DDR5-4800 speed with PC5-38400 bandwidth
- ECC protection for enhanced data reliability
- Registered signal processing for stability
- Optimized for enterprise and data center use
Typical Use Case Scenarios
- Virtualization hosts and hypervisors
- Enterprise database servers
- Cloud computing infrastructure
- AI, machine learning, and analytics workloads
- Mission-critical business applications
Physical Design and Form Factor Specifications
The module is built using a standard 288-pin RDIMM form factor, making it compatible with a wide range of DDR5-enabled server and workstation motherboards. Its compact and lightweight design simplifies handling and installation in dense system configurations.
Samsung Enterprise DDR5 Memory
Samsung is globally recognized for producing high-quality memory solutions that meet rigorous enterprise standards. The M321R8GA0BB0-CQKDG module reflects this commitment through advanced DDR5 technology, robust reliability features, and compatibility with modern server platforms.
Speed & Bandwidth
Operating at a data rate of 4800 Mega transfers per second (MT/s), classified under the JEDEC standard as PC5-38400, this module delivers a massive theoretical peak bandwidth of 38.4 GB/s per module. This is calculated as (4800 MHz * 64-bit data bus / 8 bits per byte). When deployed in a common dual-channel configuration, this bandwidth effectively doubles to 76.8 GB/s, eliminating data bottlenecks for the most demanding applications.
Capacity & Density
The 64GB capacity per DIMM is a hallmark of high-density DDR5. This is achieved by utilizing advanced 16Gb (Gigabit) DRAM dies in a dense packaging configuration. For a system with four memory slots, this enables a staggering 256GB of total RAM without resorting to specialty server platforms, unlocking potential for massive in-memory datasets, ultra-high-resolution content creation, and complex virtualization environments.
ECC Matters in Server Memory
ECC technology automatically detects and corrects memory errors, reducing the risk of data corruption and unexpected system crashes. This makes the module suitable for enterprise servers, cloud infrastructure, and professional workstations where uptime and data accuracy are paramount.
Registered DIMM Design Benefits
The registered DIMM architecture buffers command and address signals, enabling improved electrical stability when multiple memory modules are installed. This design supports higher memory capacities and ensures consistent performance under heavy loads.
Architectural Advancements of DDR5 Technology
The Samsung M321R8GA0BB0-CQKDG embodies the key architectural shifts that define the DDR5 standard, moving beyond just higher clock speeds. Unlike DDR4's single 64-bit data channel per module, DDR5 divides this into two independent 32-bit sub-channels. This architecture increases memory access parallelism and efficiency, allowing the memory controller to handle two simultaneous data streams. For applications that benefit from finer-grained access, this reduces latency and improves overall responsiveness.
Populating Multiple DIMMs & Dual-Channel Operation
For best performance, modules should be installed in pairs (e.g., 2x64GB for 128GB total) in the correct slots (usually A2 & B2) to enable dual-channel mode, doubling the available bandwidth. Populating all four DIMM slots on a desktop platform with 64GB modules (for 256GB total) may require the memory controller to run at a slightly lower speed (e.g., 4400MHz or 4000MHz) due to the increased electrical load. This is normal and is often a trade-off for massive capacity. As a JEDEC-standard module, the Samsung M321R8GA0BB0-CQKDG should run at its advertised 4800MHz speed automatically with default BIOS settings. It may not require or support extreme overclocking profiles like XMP (Intel) or EXPO (AMD), as it is designed for maximum stability at its rated specification. Users should ensure their BIOS is updated to the latest version for the best memory compatibility and microcode updates from the CPU vendor.
Reliability
The "Samsung" branding on this module is a critical indicator of its provenance and expected quality. Samsung is not just an assembler; it is one of the world's leading manufacturers of the core DRAM chips themselves. Samsung controls the entire production process, from silicon wafer fabrication to chip packaging and module assembly. This vertical integration allows for stringent quality control at every stage, resulting in modules known for their exceptional reliability, consistency, and adherence to specifications. The chips on the M321R8GA0BB0-CQKDG are binned and tested to meet the rigorous demands of 4800MHz operation at 1.1V.
Capacity vs. Speed: Finding the Balance
For professional workloads that involve large datasets (video editing, data science, virtualization), capacity is king. Running out of RAM forces the system to use slow disk-based swap files, crippling performance. Here, the 64GB capacity is the primary feature, with 4800MHz providing a robust, high-speed baseline. For primarily gaming-focused builds, a 32GB kit with much higher speeds (e.g., 6000-7200MHz with optimized timings) might offer better immediate performance, though the 64GB kit provides immense headroom.
The Samsung Advantage in Niche Markets
For system integrators, OEMs, and professionals building stable, long-duration rendering nodes or data processing units, the Samsung M321R8GA0BB0-CQKDG offers a compelling proposition. Its first-party chip quality, On-Die ECC, and guaranteed JEDEC performance remove variables from the system equation, ensuring predictable results and minimizing downtime—a critical factor in commercial and research environments.
Compatibility
Integrating high-specification DDR5 memory requires careful attention to system compatibility to achieve optimal performance. The Samsung M321R8GA0BB0-CQKDG requires a motherboard with a DDR5-compatible memory controller and physical DDR5 DIMM slots. This means Intel 12th Gen "Alder Lake," 13th Gen "Raptor Lake," 14th Gen "Raptor Lake Refresh," or newer platforms, and AMD AM5 (Ryzen 7000/8000 series) or newer platforms. Crucially, users must verify that their specific motherboard model's Qualified Vendor List (QVL) includes this Samsung module or ones with similar specifications (64GB, 4800MHz) to guarantee stability at rated speeds, especially when populating multiple slots.
Features
Manufacturer Warranty:
None
Product/Item Condition:
New Sealed in Box (NIB)
ServerOrbit Replacement Warranty:
1 Year Warranty
