IBM laptops
5 models from 10 hardware reports. 4 of them have a memory slot you can fill.
Most reported models 5
| Model | Memory | Upgrade |
|---|---|---|
| 260921H | 2 SO-DIMM slots | |
| 264070A | Soldered, no slot | |
| ThinkPad T43 18714AG | 2 DDR SO-DIMM slots | |
| ThinkPad T43 2668BU7 | 2 DDR SO-DIMM slots | |
| ThinkPad X41 2525FAG | 2 DDR SO-DIMM slots |