The Samsung M321R4GA3BB6-CQK is a 32GB DDR5 server memory module designed for compatible systems requiring ECC Registered DIMM memory. Operating at a rated data transfer speed of 4800 MT/s, this module is suitable for supported enterprise servers and professional computing environments.
Featuring a dual-rank 2Rx8 organization, CL40 latency, and a nominal operating voltage of 1.1V, this memory module uses the PC5-38400 standard and a 288-pin DIMM form factor. Its registered design and ECC support make compatibility with the server's supported memory type essential before installation.
Key Features
- 32GB Capacity: Provides 32GB of DDR5 SDRAM in a single memory module.
- DDR5-4800 Performance: Offers a rated data transfer rate of 4800 MT/s, corresponding to PC5-38400.
- ECC Registered Design: Combines error-correcting code support with registered DIMM technology for compatible server platforms.
- Dual-Rank 2Rx8 Organization: Uses a dual-rank memory layout with x8 DRAM organization.
- 288-Pin DIMM and 1.1V Operation: Designed for compatible DDR5 server memory slots with a nominal operating voltage of 1.1V.
Technical Specifications
| Brand | Samsung |
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| Part Number / MPN | M321R4GA3BB6-CQK |
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| Product Type | Server Memory Module |
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| Capacity | 32GB |
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| Memory Technology | DDR5 SDRAM |
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| Data Transfer Rate | 4800 MT/s |
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| Memory Standard | DDR5-4800 / PC5-38400 |
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| Module Type | Registered DIMM (RDIMM) |
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| Error Correction | ECC |
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| Rank and Organization | Dual Rank, 2Rx8 |
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| CAS Latency | CL40 |
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| Form Factor | DIMM |
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| Pin Count | 288-pin |
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| Operating Voltage | 1.1V |
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| Intended Application | Compatible servers and enterprise computing systems |
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Compatibility and Installation
The Samsung M321R4GA3BB6-CQK is intended for systems that support DDR5 ECC Registered DIMMs. Before purchasing, consult the server manufacturer's documentation to verify support for this exact part number, 32GB module capacity, dual-rank organization, and rated memory speed.
Actual operating speed can depend on the processor, motherboard, firmware, and installed memory configuration. DDR5 RDIMMs are not interchangeable with DDR4 modules or standard unbuffered desktop DIMMs.
DC Supplies Product Note
DC Supplies recommends checking the exact MPN, M321R4GA3BB6-CQK, against your server's memory compatibility list before ordering. Confirm that the system supports DDR5-4800 ECC registered memory and the module's dual-rank 2Rx8 configuration.
Frequently Asked Questions
1. What is the capacity of the Samsung M321R4GA3BB6-CQK?
This Samsung server memory module has a capacity of 32GB.
2. What is the rated speed of this memory?
The module is rated at 4800 MT/s and uses the DDR5-4800 / PC5-38400 classification.
3. Does this module support ECC?
Yes. It is ECC registered memory designed for compatible server platforms.
4. What does 2Rx8 mean?
2Rx8 identifies the module's dual-rank organization and x8 DRAM organization.
5. Can I install this memory in any DDR5 computer?
No. The module is a registered DIMM designed for compatible systems. Check your server's documentation to confirm DDR5 RDIMM and ECC support.
6. What voltage does this module use?
The Samsung M321R4GA3BB6-CQK has a nominal operating voltage of 1.1V.
