SAMSUNG
M393AAK40B42-CWD SAMSUNG 128GB 2666MHZ PC4-21300 CL22 ECC REG OCTA RANK
Mfg Part Number: M393AAK40B42-CWD , Item #: 5248947
Image may not reflect the actual item.
Price: $1,367.37
Quantity:
More to Come
Last Updated: Nov 08, 2025
No Sales Tax except these states
, PO and Wire.
Registered DIMM
Include a register for enhancing clock, command and control signals
Error correction available by added 8 bit parity signals
Supports x4 / x8 Organization / up to 2 ranks per DIMM and 3DPC configuration
Application : Server
Main Specification
| General Information | |
| Manufacturer | Samsung |
| Manufacturer Part Number | M393AAK40B42-CWD |
| Manufacturer Website Address | http://www.samsung.com/us |
| Brand Name | Samsung |
| Product Name | 128GB DDR4 SDRAM Memory Module |
| Product Type | RAM Module |
| Technical Information | |
| Memory Size | 128 GB |
| Memory Technology | DDR4 SDRAM |
| Memory Voltage | 1.20 V |
| Memory Speed | 2666 MHz |
| Memory Standard | DDR4-2666/PC4-21300 |
| Memory Rank | Octal-rank |
| Error Checking | ECC |
| Signal Processing | Registered |
| CAS Latency | CL19 |
| Device Supported | Server |
| Physical Characteristics | |
| Number of Pins | 288-pin |
| Form Factor | DIMM |
WARNING:: The plastic used in cable products can expose you to lead and lead components,
chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
