The Samsung M321R4GA3PB0-CWM is a 32GB DDR5 server memory module designed for compatible systems that require ECC Registered DIMM memory. With a rated data transfer speed of 5600 MT/s, it supports server configurations requiring DDR5 memory and registered module technology.
This module features a dual-rank 2Rx8 organization, CL46 latency, and a nominal operating voltage of 1.1V. Its 288-pin form factor and PC5-44800 specification make it suitable for compatible enterprise servers and professional computing systems.
Key Features
- 32GB Capacity: Provides 32GB of DDR5 SDRAM in a single memory module.
- DDR5-5600 Performance: Offers a rated data transfer speed of 5600 MT/s, corresponding to the PC5-44800 standard.
- ECC Registered Design: Combines error-correcting code support with registered DIMM technology for compatible server platforms.
- Dual-Rank 2Rx8 Organization: Uses a dual-rank configuration with x8 DRAM organization.
- 288-Pin, 1.1V Operation: Uses a 288-pin DIMM form factor and a nominal operating voltage of 1.1V.
Technical Specifications
| Brand | Samsung |
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| Part Number / MPN | M321R4GA3PB0-CWM |
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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 | 5600 MT/s |
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| Memory Standard | DDR5-5600 / PC5-44800 |
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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 | CL46 |
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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
This Samsung memory module is designed for server platforms that support DDR5 ECC Registered DIMMs. Before purchasing, consult your system manufacturer's documentation to confirm support for this exact part number, capacity, rank organization, and memory speed.
Actual operating speed may depend on the processor, motherboard, firmware, and installed memory configuration. DDR5 RDIMMs are not interchangeable with DDR4 modules or standard unbuffered desktop memory.
DC Supplies Product Note
DC Supplies recommends verifying the exact MPN, M321R4GA3PB0-CWM, against your server's memory compatibility list before ordering. Confirm that your system supports 32GB DDR5-5600 ECC registered memory with a dual-rank 2Rx8 organization.
Frequently Asked Questions
1. What is the capacity of the Samsung M321R4GA3PB0-CWM?
This Samsung server memory module has a capacity of 32GB.
2. What is the rated speed of this memory?
It is rated at 5600 MT/s and uses the DDR5-5600 / PC5-44800 memory 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 use this module in a standard desktop computer?
Compatibility is not guaranteed. This is a registered server memory module and requires a platform that supports DDR5 RDIMMs.
6. What voltage does this module use?
The module has a nominal operating voltage of 1.1V.
