| model number | DPTA-353750 | DPTA-353000 | DPTA-352250 | DPTA-351500 | |
| capacity | GB | 37.5 | 30.0 | 22.5 | 15.0 |
| buffer size | kB | 2048 | 2048 | 512 | 512 |
| heads | 10 | 8 | 6 | 4 | |
| areal density | MB/in2 | 5306 | 5306 | 5306 | 5306 |
| track density | tpi | 18500 | 18500 | 18500 | 18500 |
| recording density | kbpi | 287 | 287 | 287 | 287 |
| average seek | ms | 9.00 | 9.00 | 9.00 | 9.00 |
| rotation speed | RPM | 5400 | 5400 | 5400 | 5400 |
| media rate (max.) | MB/s | 31.00 | 31.00 | 31.00 | 31.00 |