Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
Samsung M393AAK40B42-CWD7Y 128GB DDR4-2666MHz RDIMM 8Rx4 CL19 Memory
- Capacity: 128GB
- Type: DDR4 RDIMM (Registered DIMM)
- Speed: 2666MHz (PC4-21300)
- Latency: CL19
- Configuration: 8Rx4 (8 Ranks x 4 Data Width per Rank)
- Designed for servers and enterprise workstations
- Supports high memory capacities and bandwidth
M393AAK40B42-CWD7Y isn't on our shelf today — we source it to order. Request a quote and we'll confirm price and lead time within one business day.
Key specifications
See full specs ↓- Capacity
- 128GB
- Type
- DDR4 RDIMM
- Speed
- 2666MHz
- Latency
- CL19
- Rank
- 8Rx4
- Brand
- Samsung
Product details
The Samsung M393AAK40B42-CWD7Y is a 128GB DDR4 RDIMM memory module designed for servers and high-performance workstations. It operates at a speed of 2666MHz with CL19 latency and features an 8Rx4 configuration, indicating its suitability for demanding enterprise environments requiring high memory capacity and bandwidth.
Technical Information
| Capacity | 128GB |
| Type | DDR4 RDIMM |
| Speed | 2666MHz |
| Latency | CL19 |
Additional Specifications
| Rank | 8Rx4 |
| Brand | Samsung |
| Model | M393AAK40B42-CWD7Y |
Description
The Samsung M393AAK40B42-CWD7Y is a high-capacity 128GB Registered DIMM (RDIMM) module, engineered specifically for server and enterprise-grade computing platforms. Utilizing DDR4 technology, it operates at a frequency of 2666MHz, providing substantial bandwidth for data-intensive applications and multitasking environments. The Registered DIMM architecture includes an onboard register that buffers command and address signals, reducing electrical load on the memory controller and enabling higher memory capacities and improved system stability, which are critical in server applications. The module features an 8Rx4 rank configuration, meaning it has eight ranks, each with a 4-bit data width. This configuration is designed to maximize memory density and bandwidth within the constraints of the DIMM form factor and the server's memory controller capabilities. With a CAS Latency (CL) of 19, it offers a balance between speed and timing, suitable for a wide range of server workloads, including virtualization, database management, and high-performance computing. The PC4-21300 designation corresponds to its DDR4 speed rating. This 128GB RDIMM is an essential component for upgrading or building servers that require significant memory resources. Its robust design and high capacity contribute to enhanced system performance, allowing for more virtual machines, larger datasets to be processed in memory, and overall improved application responsiveness. The Samsung M393AAK40B42-CWD7Y is a reliable choice for mission-critical applications where memory performance and capacity are paramount.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for M393AAK40B42-CWD7Y.
