| model number | 91741U4 | 91301U3 | 90871U2 | 90431U1 | |
| capacity | GB | 17.4 | 13.0 | 8.7 | 4.3 |
| buffer size | kB | 512 | 512 | 512 | 512 |
| heads | 4 | 3 | 2 | 1 | |
| areal density | MB/in2 | 6408 | 6408 | 6408 | 6408 |
| track density | tpi | 19300 | 19300 | 19300 | 19300 |
| recording density | kbpi | 278 - 332 | 278 - 332 | 278 - 332 | 278 - 332 |
| average seek | ms | 9.50 | 9.50 | 9.50 | 9.50 |
| rotation speed | RPM | 5400 | 5400 | 5400 | 5400 |
| media rate (max.) | MB/s | 34.20 | 34.20 | 34.20 | 34.20 |