ASUS K42
5 models from 29 hardware reports. 5 take more memory.
| Model | Memory | Most seen | Upgrade | Reports |
| K42F | 2+ DDR3 SO-DIMM slots | 4 GB | Upgradable | 10 |
| K42Jc | 2+ DDR3 SO-DIMM slots | 8 GB | Upgradable | 5 |
| K42Jr | 2+ DDR3 SO-DIMM slots | 4 GB | Upgradable | 5 |
| K42Jv | 2+ DDR3 SO-DIMM slots | 3 GB | Upgradable | 6 |
| K42JY | 2+ DDR3 SO-DIMM slots | 4 GB | Upgradable | 3 |