ASUS X556
8 models from 67 hardware reports. 8 take more memory.
| Model | Memory | Most seen | Upgrade | Reports |
| X556UAK | 2+ DDR4 SO-DIMM slots | 8 GB | Upgradable | 4 |
| X556UF | 2 DDR3 SO-DIMM slots | 8 GB | Upgradable | 4 |
| X556UJ | 2 DDR3 SO-DIMM slots | 12 GB | Upgradable | 5 |
| X556UQ | 2+ DDR4 SO-DIMM slots | 8 GB | Upgradable | 9 |
| X556UQK | 2+ DDR4 SO-DIMM slots | 12 GB | Upgradable | 21 |
| X556UR | 2+ DDR4 SO-DIMM slots | 12 GB | Upgradable | 5 |
| X556URK | 2+ DDR4 SO-DIMM slots | 16 GB | Upgradable | 14 |
| X556UV | 2+ DDR4 SO-DIMM slots | 12 GB | Upgradable | 5 |