| General | Part number | 45K1689 |
| Description | Lenovo USB 2.0 Portable 320GB Hard Drive | |
| Limited warranty[7] | Limited warranty period | One year |
| Hard drive | Hard Drive Form Factor | None |
| Hard disk size (GB)[4] | 320 GB | |
| Hard drive speed (RPM) | 5400 | |
| Interface type | USB 2.0 | |
| Swappable | Yes | |
| Environmental Information | Maximum Operating YYYY | 85 % |
| Maximum Operating Temperature | 60 C | |
| Minimum Operating HumidityXXX | 5 % | |
| Minimum Operating Temperature | 0 C | |
| Architecture | Depth Metric | 129.9 mm |
| Height Metric | 13.8 mm | |
| Height US | 0.54 in | |
| Weight Metric[2] | 0.15 Kg | |
| Weight US[2] | 0.15 lbs | |
| Width Metric | 77.3 mm | |
| Width US | 3.04 in | |

