| model number | 10.2 | 15.0 | 20.5 | 30.0 | |
| capacity | GB | 10.3 | 15.0 | 20.5 | 30.0 |
| buffer size | kB | 2048 | 2048 | 2048 | 2048 |
| heads | 2 | 3 | 4 | 6 | |
| areal density | MB/in2 | ||||
| track density | tpi | ||||
| recording density | kbpi | ||||
| average seek | ms | 8.50 | 8.50 | 8.50 | 8.50 |
| rotation speed | RPM | 7200 | 7200 | 7200 | 7200 |
| media rate (max.) | MB/s | 43.20 | 43.20 | 43.20 | 43.20 |