| model number | DTTA-351680 | DTTA-351350 | DTTA-351010 | DTTA-350840 | DTTA-350640 | DTTA-350430 | DTTA-350320 | |
| capacity | GB | 16.8 | 13.5 | 10.1 | 8.4 | 6.4 | 4.3 | 3.2 |
| buffer size | kB | 512 | 512 | 512 | 512 | 512 | 512 | 512 |
| heads | 10 | 8 | 6 | 5 | 4 | 3 | 2 | |
| areal density | MB/in2 | 2656 | 2656 | 2656 | 2656 | 2656 | 2656 | 2656 |
| track density | tpi | 13700 | 13700 | 13700 | 13700 | 13700 | 13700 | 13700 |
| recording density | kbpi | 193.9 | 193.9 | 193.9 | 193.9 | 193.9 | 193.9 | 193.9 |
| average seek | ms | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 |
| rotation speed | RPM | 5400 | 5400 | 5400 | 5400 | 5400 | 5400 | 5400 |
| media rate (max.) | MB/s | 20.24 | 20.24 | 20.24 | 20.24 | 20.24 | 20.24 | 20.24 |