Toshiba NB
6 models from 20 hardware reports. 6 take more memory.
| Model | Memory | Most seen | Upgrade | Reports |
| NB100 | 1 DDR2 SO-DIMM slot | 2 GB | Upgradable | 5 |
| NB255 | 2 DDR2 SO-DIMM slots | 2 GB | Upgradable | 3 |
| NB305 | 2 DDR2 SO-DIMM slots | 1 GB | Upgradable | 3 |
| NB505 | 2 DDR2 SO-DIMM slots | 2 GB | Upgradable | 3 |
| NB510 | 1 DDR3 SO-DIMM slot | 2 GB | Upgradable | 3 |
| NB520 | 2 DDR3 SO-DIMM slots | 2 GB | Upgradable | 3 |