Crucial 4GB DDR4 2666MHz CL19 Desktop RAM (CT4G4DFS8266) is a budget-friendly OEM memory module designed for office PCs, entry-level desktops, and system upgrades. It offers stable performance with improved speed over 2133MHz RAM.
👉 Ideal for:
- Office & home desktops
- Budget PC upgrades
- Repair & replacement use
- ✅ 4GB DDR4 capacity (single stick)
- ✅ 2666MHz speed (PC4-21300)
- ✅ CL19 latency (JEDEC standard)
- ✅ Low power consumption (1.2V)
- ✅ Single rank (1Rx8) design
- ✅ OEM-grade Crucial/Micron reliability
| Attribute | Details |
|---|---|
| Brand | Crucial |
| Model | CT4G4DFS8266 |
| Capacity | 4GB (1x4GB) |
| Memory Type | DDR4 |
| Speed | 2666MHz (PC4-21300) |
| Latency | CL19 |
| Voltage | 1.2V |
| Form Factor | UDIMM (Desktop RAM) |
| Pin Count | 288-Pin |
| ECC | Non-ECC |
| Buffered | Unbuffered |
| Rank | Single Rank (1Rx8) |
| Compatibility | Desktop DDR4 systems |
| Warranty | NA |




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