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Samsung 64GB 6400MBPS DDR5 PC5-51200 2rx4 ECC Cl52 M321R8GA0EB2-CCPKC SDRAM 288-Pin RAM

M321R8GA0EB2-CCPKC
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Brief Overview of M321R8GA0EB2-CCPKC

M321R8GA0EB2-CCPKC Samsung 64GB PC5-51200 6400MBPS 2rx4 ECC Cl52 DDR5 Registered SDRAM 288-Pin RDIMM Memory Server. New Sealed in Box (NIB) with 3 Years Warranty

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SKU/MPNM321R8GA0EB2-CCPKCAvailability✅ In StockProcessing TimeUsually ships same day ManufacturerSamsung Manufacturer WarrantyNone Product/Item ConditionNew Sealed in Box (NIB) ServerOrbit Replacement Warranty1 Year Warranty
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Description

Samsung M321R8GA0EB2-CCPKC 64GB Memory

The Samsung M321R8GA0EB2-CCPKC is a high-performance server memory module designed for data centers, enterprise workloads, and mission-critical computing tasks. With a storage capacity of 64GB, DDR5 SDRAM technology, and a bus speed of 6400Mbps (PC5-51200), this module ensures fast data transfer, energy efficiency, and reliable error correction through advanced ECC mechanisms.

General Information

  • Manufacturer: Samsung
  • Part Number: M321R8GA0EB2-CCPKC
  • Product Category: DDR5 Registered DIMM for Servers

Technical Specifications

  • Capacity: 64GB
  • Memory Type: DDR5 SDRAM
  • Speed: 6400MT/s, PC5-51200
  • Form Factor: 288-pin Registered DIMM (RDIMM)
  • Rank: 2Rx4
  • CAS Latency: CL52
  • Error Correction: ECC Registered
  • Intended Use: Enterprise servers, high-performance systems, and mission-critical workloads

Performance Advantages

  • Delivers improved multitasking and parallel processing capabilities.
  • Optimized for databases, AI, machine learning, and HPC systems.
  • Ensures consistent performance under heavy server workloads.
Targeted Workloads
  • AI and deep learning model computations
  • Enterprise cloud computing infrastructure
  • Scientific and engineering simulations
  • Financial services and transaction processing
  • Virtualized environments and container platforms

Key Security Features

  • On-die ECC for internal error correction
  • Protection against random bit-flips
  • Consistency across multi-threaded workloads
  • Support for encryption-ready server environments

Samsung DDR5 RDIMM Server Memory

The Samsung M321R8GA0EB2-CCPKC 64GB PC5-51200 Registered DDR5 ECC RDIMM is engineered to deliver cutting-edge speed, stability, and efficiency for enterprise-class servers and high-performance computing environments. Designed with a 6400MBPS transfer rate, advanced ECC error correction, and a 288-pin RDIMM architecture, this memory module ensures reliability and consistency in mission-critical workloads.

DDR5 Architecture Advantages

DDR5 brings multiple architecture-level improvements over prior generations that directly benefit this category. The modules leverage improved bank group structures and doubled burst lengths, enabling more efficient data transfer patterns. On-die ECC, integrated power management, and internal voltage regulation features contribute to more resilient signaling and better power distribution at the DIMM level. The move to higher prefetch and transfer rates reduces latency of large-block transfers in real-world server workloads, improving application-level throughput for database transactions, large-scale in-memory caches, and analytics pipelines.

Capacity: 64GB

High-density M321R8GA0EB2-CCPKC 64GB RDIMMs allow servers to scale memory capacity without occupying all memory channels with lower-capacity DIMMs. This density is particularly valuable for multi-socket platforms and for systems where memory footprint per VM or per container is large. Cloud providers and enterprises deploying memory-hungry applications such as in-memory databases, large-scale caching layers, and data processing nodes will prefer 64GB modules because they strike a balance between capacity, cost-per-gigabyte, and DIMM slot utilization. By enabling higher total memory per server, these RDIMMs support higher consolidation ratios and reduce the need for extra server nodes solely to satisfy memory requirements.

ECC Registered

Registered ECC RDIMMs in this category add two critical elements for enterprise deployment: registration (buffered command/address signals) and ECC (error-correcting code). Registered buffering reduces electrical loading on memory controllers, permitting more DIMMs per channel and improving signal integrity at high speeds. ECC provides automated detection and correction of single-bit memory errors and detection of multi-bit errors, preventing silent data corruption. Together, these traits translate to higher uptime, safer data handling for long-running computations, and conformance to regulatory or industry standards that mandate data integrity for financial, scientific, and healthcare workloads.

288-Pin RDIMM Structure

The 288-pin RDIMM form factor ensures compatibility with modern server platforms that support DDR5 memory. Its standardized design allows for easy installation and seamless integration into enterprise systems.

The 288-Pin Form Factor

DDR5 modules utilize a 288-pin layout for both RDIMMs and UDIMMs. However, the key notch position is different from DDR4's 288-pin design, providing physical incompatibility to prevent accidental insertion into the wrong motherboard type. This ensures that only compatible platforms, designed with the necessary power management and signal integrity for DDR5, can utilize these advanced modules.

Reliability

Samsung M321R8GA0EB2-CCPKC as a leading OEM and component manufacturer, represents the pinnacle of reliability. Their modules are built with rigorously binned, top-quality DRAM chips and undergo extensive testing. For enterprise deployments, selecting memory from a tier-one manufacturer like Samsung, Micron, or SK Hynix, or from a trusted third-party integrator that uses these chips, is crucial. Look for a strong warranty and technical support, which are indicators of the vendor's confidence in their product's longevity.

Firmware

To exploit peak performance and maintain stability, firmware updates and the latest BIOS microcode are recommended. Many server vendors release memory compatibility and optimization patches that enable memory scaling to higher transfer rates and correct for platform-specific quirks. Memory training routines during POST (Power-On Self-Test) help identify stable timing combinations. Advanced systems may provide options for manual tuning of XMP-like profiles, though enterprises typically rely on vendor-validated configurations for stability and supportability. When deploying in clustered environments, consistency of DIMM firmware and part numbers across nodes simplifies troubleshooting and performance predictability.

Compatibility 

The Samsung M321R8GA0EB2-CCPKC is engineered for seamless integration with server platforms that support DDR5 registered memory. It is backward incompatible with DDR4, making it essential to verify motherboard and CPU compatibility before deployment. Compatibility matrices commonly include leading enterprise CPUs and server chipsets from major vendors; systems intended to run these modules should be validated against the server vendor’s Qualified Vendor List (QVL) to ensure approved operating frequencies, ranks per channel, and total capacity per channel. Memory population rules, which dictate where DIMMs should be placed for optimal channel interleaving and bandwidth, must be followed to achieve the advertised performance levels. Systems that do not support DDR5 RDIMM or that expect UDIMMs will be incompatible.

Features
Manufacturer Warranty:
None
Product/Item Condition:
New Sealed in Box (NIB)
ServerOrbit Replacement Warranty:
1 Year Warranty
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