Samsung 64GB 2S2Rx4 DDR4-2666V PC4-21300 ECC Registered Memory M393A8K40B22-CWD
In-store Pickup
Local Pickup in Dallas, TX Available
- Specifications
- Description
| Manufacturer Part Number | |
| Manufacturer | |
| Condition | |
| Standard Warranty | 90 Day Replacement Warranty |
| Item Category | |
| Model | |
| Form Factor | |
| Interface | |
| External Interfaces | |
| Storage Capacity | |
| Transfer Rate | |
| Network Management Type | |
| Processor Type | |
| Clock Speed | |
| Number of Cores | |
| Cache | |
| Socket Type | |
| TDP | |
| Compatible Port | |
| Number of Ports | |
| CPU Type | |
| HDD Form Factor | |
| HDD Interface | |
| HDD Rotation Speed | |
| HDD Storage Capacity | |
| HDD Transfer Rate | |
| Memory Bus Speed | |
| Memory Capacity Per Module | |
| Memory Features | |
| Memory Form Factor | |
| Memory Kit Brand | |
| Memory Kit Breakdown | |
| Memory Kit Speed | |
| Memory Kit Technology | |
| Memory Kit Total Capacity | |
| Memory Kit Voltage | |
| Memory Number of Modules | |
| Memory Number of Pins | |
| Memory Total Capacity | |
| Memory Type | |
| Network Ports | |
| Processor Model | |
| SSD Capacity | |
| SSD Interface | |
| SSD Storage Capacity | |
| SSD Transfer Rate | |
| SSD Type |
Samsung 64GB 2S2Rx4 DDR4-2666V PC4-21300 ECC Registered Memory M393A8K40B22-CWD
Enhance the performance and reliability of your enterprise server with the Samsung M393A8K40B22-CWD 64GB DDR4-2666 ECC Registered Memory Module. Engineered for mission-critical environments, this high-capacity RDIMM delivers the stability, scalability, and data integrity required for virtualization, cloud computing, database management, analytics, and enterprise workloads.
Featuring a 64GB capacity, DDR4-2666V operating speed, and a 2S2Rx4 dual-rank configuration, this module provides efficient memory bandwidth while maintaining dependable operation through advanced ECC (Error Correcting Code) technology. Its Registered DIMM (RDIMM) architecture enhances signal integrity and enables support for larger memory configurations in compatible servers.
Built with Samsung's renowned DRAM technology, the M393A8K40B22-CWD is an excellent choice for data centers and organizations seeking reliable, enterprise-grade memory performance.
Key Features
- 64GB DDR4 SDRAM capacity
- DDR4-2666V (2666MT/s) memory speed
- PC4-21300 performance rating
- ECC (Error Correcting Code) protection
- Registered DIMM (RDIMM) design
- 2S2Rx4 dual-rank configuration
- 288-pin DIMM form factor
- 1.2V low-power operation
- Optimized for enterprise servers and workstations
- Samsung enterprise-class memory reliability
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Samsung |
| Part Number | M393A8K40B22-CWD |
| SKU | M393A8K40B22-CWD |
| Capacity | 64GB |
| Memory Type | DDR4 SDRAM |
| Speed | DDR4-2666V |
| Data Rate | 2666MT/s |
| PC Rating | PC4-21300 |
| Error Correction | ECC |
| Module Type | Registered DIMM (RDIMM) |
| Rank Configuration | 2S2Rx4 |
| Form Factor | 288-Pin DIMM |
| Voltage | 1.2V |
| Application | Server / Workstation Memory |
Benefits
- Supports demanding virtualized and cloud environments
- Improves server responsiveness for memory-intensive applications
- ECC technology helps detect and correct memory errors
- RDIMM design enhances stability in multi-DIMM deployments
- Ideal for database, analytics, and enterprise workloads
- Designed for continuous 24/7 operation
Alternative Part Numbers
The following modules offer similar specifications as 64GB DDR4-2666 ECC Registered 2Rx4 RDIMM memory and may be suitable alternatives depending on system certification requirements:
- Samsung M393A8K40CB2-CTD
- Samsung M393A8K40BB2-CTD
- Micron MTA36ASF8G72PZ-2G6D1
- Micron MTA36ASF8G72PZ-2G6E1
- SK hynix HMAA8GR7AFR4N-VK
- SK hynix HMAA8GR7CJR4N-VK
Compatible Memory Modules
The following server memory modules are commonly used alongside or as upgrades within compatible DDR4 ECC RDIMM platforms:
- Samsung M393A8K40CB2-CTD (64GB DDR4-2666 ECC RDIMM)
- Samsung M393A8K40BB2-CTD (64GB DDR4-2666 ECC RDIMM)
- Micron MTA36ASF8G72PZ Series (64GB DDR4-2666 ECC RDIMM)
- Micron MTA18ASF4G72PZ Series (32GB DDR4-2666 ECC RDIMM)
- SK hynix HMAA8GR7AFR4N-VK (64GB DDR4-2666 ECC RDIMM)
- SK hynix HMAA8GR7CJR4N-VK (64GB DDR4-2666 ECC RDIMM)
- Samsung M393A4K40CB2-CTD (32GB DDR4-2666 ECC RDIMM)
Server Compatibility
This memory module is designed for systems supporting DDR4 ECC Registered DIMM (RDIMM) technology and is commonly found in:
- Dell PowerEdge servers
- HPE ProLiant servers
- Lenovo ThinkSystem servers
- Cisco UCS servers
- Supermicro server platforms
- Intel Xeon Scalable processor-based servers
- AMD EPYC server platforms supporting DDR4 RDIMMs
Always verify memory compatibility, supported capacities, and population rules in your server manufacturer's documentation before installation.
Why Choose the Samsung M393A8K40B22-CWD?
The Samsung M393A8K40B22-CWD provides an ideal balance of capacity, performance, and enterprise-class reliability. With 64GB of ECC-protected DDR4-2666 memory, it enables servers to efficiently handle virtualization, large databases, business-critical applications, and demanding data center workloads while maintaining the stability expected from Samsung enterprise memory solutions.