The Samsung M321R8GA0EB0-CWM is a 64GB DDR5 server memory module designed for compatible enterprise servers and professional computing systems. Operating at a rated data transfer rate of 5600 MT/s, it provides high-capacity memory for systems that support DDR5 ECC Registered DIMMs.
This module features a dual-rank 2Rx4 organization, CL46 latency, and a nominal operating voltage of 1.1V. With its 288-pin form factor and PC5-44800 classification, it is intended for server platforms that support registered DDR5 memory.
Key Features
- 64GB Capacity: Provides 64GB of DDR5 SDRAM in a single memory module.
- DDR5-5600 Performance: Supports a rated data transfer rate of 5600 MT/s, corresponding to PC5-44800.
- ECC Registered Design: Combines error-correcting code support with registered DIMM technology for compatible server platforms.
- Dual-Rank 2Rx4 Organization: Uses a dual-rank memory configuration with x4 DRAM organization.
- 288-Pin, 1.1V Operation: Features a standard 288-pin DDR5 DIMM form factor and a nominal operating voltage of 1.1V.
Technical Specifications
| Brand | Samsung |
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| Part Number / MPN | M321R8GA0EB0-CWM |
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| Product Type | Server Memory Module |
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| Capacity | 64GB |
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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, 2Rx4 |
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| CAS Latency | CL46 |
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| Module Organization | 8Gx72 |
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| DRAM Organization | 4Gx4 |
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| DRAM Device Count | 40 |
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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 M321R8GA0EB0-CWM is designed for server platforms that support DDR5 ECC Registered DIMMs. Before purchasing, consult the server manufacturer's documentation to confirm compatibility with this exact part number, 64GB capacity, dual-rank organization, and 5600 MT/s data rate.
Actual operating speed depends on the server platform, processor, 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, M321R8GA0EB0-CWM, against your server's memory compatibility list before ordering. Verify that the system supports 64GB DDR5-5600 ECC registered memory with a dual-rank 2Rx4 organization.
Frequently Asked Questions
1. What is the capacity of the Samsung M321R8GA0EB0-CWM?
This Samsung server memory module has a capacity of 64GB.
2. What is the rated speed of this memory?
It is rated at 5600 MT/s and uses the DDR5-5600 / PC5-44800 classification.
3. Does this module support ECC?
Yes. This module supports ECC and is designed as registered server memory for compatible platforms.
4. What does 2Rx4 mean?
2Rx4 identifies a dual-rank memory module using x4 DRAM organization.
5. Can this memory be installed in a standard desktop computer?
Compatibility is not guaranteed. This is a registered DIMM intended for server platforms that support DDR5 RDIMM memory.
6. What voltage does this memory use?
The module has a nominal operating voltage of 1.1V.
