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Samsung M393A2K40BB2-CTD6 16GB DDR4-2666MHz RDIMM 1Rx4 CL19 Memory
- Memory Type: DDR4 SDRAM
- Capacity: 16GB
- Speed: 2666MHz (PC4-21300)
- Form Factor: RDIMM (Registered DIMM)
- Rank: 1Rx4
- Latency: CL19
- Voltage: 1.2V
- ECC: Yes
- Designed for server systems
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Product Overview
The Samsung M393A2K40BB2-CTD6 is a 16GB DDR4-2666MHz Registered DIMM (RDIMM) memory module. It is configured as 1Rx4 with a CL19 latency, suitable for server applications.
Technical Information
| Memory Type | DDR4 SDRAM |
| Capacity | 16GB |
| Speed | 2666MHz |
| Module Type | RDIMM |
| Rank | 1Rx4 |
Additional Specifications
| CAS Latency | CL19 |
| Voltage | 1.2V |
| ECC | Yes |
| Part Number | M393A2K40BB2-CTD6 |
Product Description
The Samsung M393A2K40BB2-CTD6 is a 16GB DDR4 Registered DIMM (RDIMM) memory module operating at 2666MHz. This module is designed for server environments where stability, capacity, and performance are critical. The RDIMM architecture includes an on-module buffer that helps reduce the electrical load on the memory controller, enabling systems to support larger amounts of RAM and maintain stability, especially in multi-processor configurations. This specific module is organized as 1Rx4, indicating a single rank with four data bits per memory chip. This configuration is common in server memory and offers a good balance of performance and density. The module operates with a CAS Latency (CL) of 19, which defines the delay between the memory controller requesting data from the module and the data becoming available. The standard DDR4 voltage of 1.2V ensures energy efficiency. Equipped with Error-Correcting Code (ECC) capabilities, the M393A2K40BB2-CTD6 can detect and correct single-bit errors and detect multi-bit errors, significantly improving system reliability and data integrity. This feature is essential for mission-critical applications and environments where data accuracy is paramount. Samsung's rigorous manufacturing standards ensure the quality and longevity of this server-grade memory module.



