Samsung 32GB DDR5-4800 ECC RDIMM 1Rx4 PC5-38400R

Samsung 32GB DDR5-4800 ECC RDIMM 1Rx4 PC5-38400R

Brand: Samsung | Category: Memory (RAM)

SKU: SAMS-M321R4GA3BB6CQKOL | Part #: M321R4GA3BB6-CQKOL | MPN: M321R4GA3BB6-CQKOL

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About the Samsung 32GB DDR5-4800 ECC RDIMM 1Rx4 PC5-38400R

The Samsung 32GB DDR5-4800 ECC RDIMM is a registered dual in-line memory module engineered for mission-critical server deployments requiring error-correcting code protection and maximum reliability. Built on Samsung's proven DDR5 manufacturing process, this 1Rx4 configuration delivers 4,800 MT/s performance while maintaining full ECC functionality across single and dual-socket server platforms. The module's registration (buffering) reduces electrical loading on server memory controllers, enabling higher-density configurations and improved signal integrity in large multi-DIMM deployments.

Launched in Q4 2022, this RDIMM has achieved validation status on major qualifying vendor lists (QVLs) including Dell, HPE, Lenovo, and IBM platforms, establishing it as a default specification for enterprise procurement teams undertaking server refresh cycles. Samsung's rigorous qualification process and production volume ensure supply chain stability for large-scale deployments. The DDR5-4800 speed point provides substantial bandwidth improvements over prior-generation DDR4 while maintaining compatibility with the PC5-38400 JEDEC specification.

The module is optimized for workloads demanding low-latency memory access combined with fault tolerance, including virtualized environments, database servers, analytics clusters, and high-availability infrastructure. The ECC capability detects and corrects single-bit errors in real-time, critical for 24/7 operations where undetected memory corruption could compromise data integrity or cause unplanned downtime.

Ideal for

  • Data center server consolidation and virtualization platform refreshes requiring validated memory components
  • High-availability database clusters (SQL Server, Oracle, PostgreSQL) running mission-critical transactional workloads
  • Enterprise data warehousing and analytics platforms processing large in-memory datasets
  • Hyper-scale cloud infrastructure expansions leveraging-qualified component ecosystems
  • Fault-tolerant computing environments in financial services, healthcare, and telecommunications sectors
  • VMware vSphere and Hyper-V hypervisor deployments demanding ECC protection and maximum uptime

Technical specifications

ManufacturerSamsung
Capacity32GB
TechnologyDDR5 SDRAM
Speed4800 MT/s
StandardPC5-38400R
Form FactorRDIMM (Registered DIMM)
Rank Configuration1Rx4
Data Width64 bits
Error CorrectionECC (72-bit)
Voltage1.1V
CAS LatencyCL40
Module Height21.25mm (standard RDIMM)
Pin Count288-pin
Temperature Operating Range0°C to 85°C
Thermal ManagementIntegral heat spreader
RegistrationFully registered with RCD
Manufacturing ProcessSamsung DDR5 process node
Qualification Status validated (Dell, HPE, Lenovo, IBM QVL-listed)
Launch DateQ4 2022

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Technical Specifications

BrandSamsung
CategoryMemory (RAM)
SKUSAMS-M321R4GA3BB6CQKOL
Part NumberM321R4GA3BB6-CQKOL
ConditionNew
Capacity32GB
TechnologyDDR5 SDRAM
Speed4800 MT/s
StandardPC5-38400R
Form FactorRDIMM (Registered DIMM)
Rank Configuration1Rx4
Data Width64 bits
Error CorrectionECC (72-bit)
Voltage1.1V
CAS LatencyCL40
Module Height21.25mm (standard RDIMM)
Pin Count288-pin
Temperature Operating Range0°C to 85°C
Thermal ManagementIntegral heat spreader
RegistrationFully registered with RCD
Manufacturing ProcessSamsung DDR5 process node
Qualification StatusOEM validated (Dell, HPE, Lenovo, IBM QVL-listed)
Launch DateQ4 2022