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Samsung M386A8K40BM2-CTD7Y 64GB DDR4-2666MHz LRDIMM 4Rx4 CL19 Memory
- Capacity: 64GB
- Type: DDR4 LRDIMM
- Speed: 2666MHz
- Rank: 4Rx4
- CAS Latency: CL19
- ECC: Yes
- Voltage: Standard DDR4
- Application: Enterprise Servers, Workstations
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Product Overview
The Samsung M386A8K40BM2-CTD7Y is a 64GB DDR4 LRDIMM memory module, operating at 2666MHz with a CL19 CAS latency. It is designed for high-capacity server and workstation memory configurations.
Technical Information
| Memory Type | DDR4 SDRAM |
| Form Factor | LRDIMM |
| Capacity | 64GB |
| Speed | 2666MHz |
Additional Specifications
| Latency | CL19 |
| Rank | 4Rx4 |
| ECC | Yes |
Product Description
This Samsung M386A8K40BM2-CTD7Y module is a 64GB Load-Reduced Dual In-line Memory Module (LRDIMM) based on the DDR4 standard. LRDIMMs are engineered for high-density memory configurations in servers and workstations, as they employ a memory buffer chip to reduce the electrical load on the memory controller, enabling greater memory capacity and improved signal integrity. The module operates at a frequency of 2666MHz, providing significant bandwidth for memory-intensive tasks. The CAS Latency (CL) is specified as 19, representing a balance between speed and timing for DDR4 memory. The 4Rx4 configuration indicates a quad-rank design with a data width of x4 per rank, which can enhance performance in certain server architectures. Equipped with ECC (Error-Correcting Code) capabilities, this memory module can detect and correct single-bit errors and detect multi-bit errors, ensuring data integrity and system reliability, which is paramount in enterprise environments. This module is intended for use in systems that support DDR4 LRDIMMs and require substantial memory capacity for demanding applications like virtualization, large databases, or scientific computing.



