| model number | 6.4 | 10.2 | 13.0 | 20.4 | |
| capacity | GB | 6.4 | 10.3 | 13.0 | 20.6 |
| buffer size | kB | 512 | 512 | 512 | 512 |
| heads | 2 | 3 | 4 | 6 | |
| areal density | MB/in2 | 5208 | 5208 | 5208 | 5208 |
| track density | tpi | 16700 | 16700 | 16700 | 16700 |
| recording density | kbpi | 325 | 325 | 325 | 325 |
| average seek | ms | 9.50 | 9.50 | 9.50 | 9.50 |
| rotation speed | RPM | 5400 | 5400 | 5400 | 5400 |
| media rate (max.) | MB/s | 30.13 | 30.13 | 30.13 | 30.13 |