| Product | Crucial 4GB PC4-21300 2666MHz DDR4 SODIMM | Crucial 8GB PC4-21300 2666MHz DDR4 SODIMM | Crucial 16GB PC4-21300 2666MHz DDR4 SODIMM | Crucial 32GB PC4-21300 2666MHz DDR4 SODIMM |
| Price Change | ||||
| Action | Select | Select | Select | Select |
| Manufacturer | Crucial | Crucial | Crucial | Crucial |
| Part Number | CT4G4SFS8266 | CT8G4SFRA266 | CT16G4SFRA266 | CT32G4SFD8266 |
| Main Specifications | ||||
| Technology | DDR4 | DDR4 | DDR4 | DDR4 |
| Type | 260-pin SO-DIMM | 260-pin SO-DIMM | 260-pin SO-DIMM | 260-pin SO-DIMM |
| Capacity | 4 GB | 8 GB | 16 GB | 32 GB |
| Speed | 2666 MHz | 2666 MHz | 2666 MHz | 2666 MHz |
| Error Checking | NON-ECC | NON-ECC | NON-ECC | NON-ECC |
| Signal Processing | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| Recommended Use | Notebook | Notebook | Notebook | Notebook |
| Voltage | 1.2V | 1.2V | 1.2V | 1.2V |
| Action | Select | Select | Select | Select |