| model number | ST34313A | ST38410A | ST313021A | ST317221A | |
| capacity | GB | 4.3 | 8.4 | 13.0 | 17.2 |
| buffer size | kB | 256 | 512 | 512 | 512 |
| heads | 1 | 2 | 3 | 4 | |
| areal density | MB/in2 | ||||
| track density | tpi | ||||
| recording density | kbpi | ||||
| average seek | ms | 8.90 | 8.90 | 8.90 | 8.90 |
| rotation speed | RPM | 5400 | 5400 | 5400 | 5400 |
| media rate (max.) | MB/s | 35.75 | 35.75 | 35.75 | 35.75 |