Brand: Samsung | Category: Memory (RAM)
SKU: SAMS-M321R4GA3BB6CQKOL | Part #: M321R4GA3BB6-CQKOL | MPN: M321R4GA3BB6-CQKOL
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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.
| Manufacturer | Samsung |
| Capacity | 32GB |
| Technology | DDR5 SDRAM |
| Speed | 4800 MT/s |
| Standard | PC5-38400R |
| Form Factor | RDIMM (Registered DIMM) |
| Rank Configuration | 1Rx4 |
| Data Width | 64 bits |
| Error Correction | ECC (72-bit) |
| Voltage | 1.1V |
| CAS Latency | CL40 |
| Module Height | 21.25mm (standard RDIMM) |
| Pin Count | 288-pin |
| Temperature Operating Range | 0°C to 85°C |
| Thermal Management | Integral heat spreader |
| Registration | Fully registered with RCD |
| Manufacturing Process | Samsung DDR5 process node |
| Qualification Status | validated (Dell, HPE, Lenovo, IBM QVL-listed) |
| Launch Date | Q4 2022 |
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| Brand | Samsung |
| Category | Memory (RAM) |
| SKU | SAMS-M321R4GA3BB6CQKOL |
| Part Number | M321R4GA3BB6-CQKOL |
| Condition | New |
| Capacity | 32GB |
| Technology | DDR5 SDRAM |
| Speed | 4800 MT/s |
| Standard | PC5-38400R |
| Form Factor | RDIMM (Registered DIMM) |
| Rank Configuration | 1Rx4 |
| Data Width | 64 bits |
| Error Correction | ECC (72-bit) |
| Voltage | 1.1V |
| CAS Latency | CL40 |
| Module Height | 21.25mm (standard RDIMM) |
| Pin Count | 288-pin |
| Temperature Operating Range | 0°C to 85°C |
| Thermal Management | Integral heat spreader |
| Registration | Fully registered with RCD |
| Manufacturing Process | Samsung DDR5 process node |
| Qualification Status | OEM validated (Dell, HPE, Lenovo, IBM QVL-listed) |
| Launch Date | Q4 2022 |