The Samsung M321R4GA0BB0-CQK is a 32GB DDR5 server memory module designed for compatible systems that require ECC registered memory. Operating at 4800 MT/s, this single-rank 1Rx4 RDIMM provides server-grade memory capacity and error-correction support for suitable enterprise computing platforms.
With a 288-pin DIMM form factor, PC5-38400 data-rate classification, and a nominal operating voltage of 1.1V, this module is intended for compatible DDR5 server memory configurations. Confirm motherboard or server support for this exact part number before purchasing.
Key Features
- 32GB Capacity: Provides 32GB of DDR5 memory in a single module.
- DDR5-4800 Performance: Supports a rated data transfer speed of 4800 MT/s, classified as PC5-38400.
- ECC Registered Design: Combines error-correcting code (ECC) support with registered DIMM technology for supported server platforms.
- Single-Rank 1Rx4 Organization: Uses a single-rank x4 memory organization.
- 288-Pin, 1.1V Module: Uses a 288-pin DIMM form factor and operates at a nominal 1.1V.
Technical Specifications
| Brand | Samsung |
|---|
| Part Number / MPN | M321R4GA0BB0-CQK |
|---|
| Product Type | Server Memory Module |
|---|
| Capacity | 32GB |
|---|
| Memory Technology | DDR5 SDRAM |
|---|
| Data Rate | 4800 MT/s |
|---|
| Memory Standard | DDR5-4800 / PC5-38400 |
|---|
| Module Type | Registered DIMM (RDIMM) |
|---|
| ECC Support | Yes |
|---|
| Rank and Organization | Single Rank, 1Rx4 |
|---|
| CAS Latency | CL40 |
|---|
| Form Factor | DIMM |
|---|
| Pin Count | 288-pin |
|---|
| Operating Voltage | 1.1V |
|---|
| Typical Application | Compatible servers and enterprise computing systems |
|---|
Compatibility and Installation
This module is intended for server platforms that support DDR5 ECC Registered DIMMs. Check the system manufacturer's documentation for supported memory capacities, module ranks, memory speeds, and population rules. DDR5 RDIMMs are not interchangeable with DDR4 modules or standard unbuffered desktop memory.
Supported operating speed may depend on the processor, motherboard, server configuration, and the other installed memory modules. Follow the server manufacturer's installation instructions when adding or replacing memory.
DC Supplies Product Note
DC Supplies recommends verifying the exact MPN, M321R4GA0BB0-CQK, against your server's memory compatibility list before ordering. Matching the memory generation and module type is important for reliable system compatibility.
Frequently Asked Questions
1. What is the capacity of the Samsung M321R4GA0BB0-CQK?
This Samsung memory module has a capacity of 32GB.
2. What speed does this memory support?
Its rated data transfer speed is 4800 MT/s, corresponding to the DDR5-4800 and PC5-38400 classifications.
3. Does this module support ECC?
Yes. It is an ECC registered DIMM designed for compatible server platforms.
4. Is the M321R4GA0BB0-CQK a registered memory module?
Yes. It is a registered DIMM (RDIMM), so the server must support DDR5 registered memory.
5. Will this memory work in any DDR5 computer?
No. DDR5 RDIMM compatibility depends on the system's processor, motherboard, and memory support. Check the server documentation before installation.
