| model number | 5.1 | 10.2 | 15.0 | 20.4 | 30.0 | |
| capacity | GB | 5.1 | 10.3 | 15.0 | 20.4 | 30.0 |
| buffer size | kB | 512 | 512 | 512 | 512 | 512 |
| heads | 1 | 2 | 3 | 4 | 6 | |
| areal density | MB/in2 | 7168 | 7168 | 7168 | 7168 | 7168 |
| track density | tpi | 21000 | 21000 | 21000 | 21000 | 21000 |
| recording density | kbpi | 355 | 355 | 355 | 355 | 355 |
| average seek | ms | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 |
| rotation speed | RPM | 5400 | 5400 | 5400 | 5400 | 5400 |
| media rate (max.) | MB/s | 37.13 | 37.13 | 37.13 | 37.13 | 37.13 |