| IMPLUSE 80 AT/LP | 85 | 3.5"/HH | IDE / AT |
| IMPULSE 105 AT/LP | 105 | 3.5"/SL | IDE / AT |
| IMPULSE 105 SCSI/LP | 100 | 3.5"/SL | SCSI2 SE |
| IMPULSE 120 AT | 120 | 3.5"/HH | IDE / AT |
| IMPULSE 120 AT/LP | 122 | 3.5"/SL | IDE / AT |
| IMPULSE 120 SCSI | 120 | 3.5"/HH | SCSI2 SE |
| IMPULSE 120 SCSI/LP | 122 | 3.5"/SL | SCSI1 SE |
| IMPULSE 170 AT | 160 | 3.5"/HH | IDE / AT |
| IMPULSE 170 SCSI | 168 | 3.5"/HH | SCSI2 SE |
| IMPULSE 210 AT | 209 | 3.5"/HH | IDE / AT |
| IMPULSE 210 SCSI | 210 | 3.5"/HH | SCSI2 SE |
| IMPULSE 240 AT/LP | 245 | 3.5"/SL | IDE / AT |
| IMPULSE 240 SCSI/LP | 245 | 3.5"/SL | SCSI1 SE |
| IMPULSE 40 AT | 42 | 3.5"/HH | IDE / AT |
| IMPULSE 40 SCSI | 42 | 3.5"/HH | SCSI1 SE |
| IMPULSE 425 AT | 426 | 3.5"/HH | IDE / AT |
| IMPULSE 425 SCSI | 426 | 3.5"/HH | SCSI2 SE |
| IMPULSE 425 SCSI (D) | 426 | 3.5"/HH | SCSI2 DIFF |
| IMPULSE 52 AT/LP | 52 | 3.5"/SL | IDE / AT |
| IMPULSE 52 SCSI/LP | 52 | 3.5"/SL | SCSI1 SE |
| IMPULSE 80 AT | 84 | 3.5"/HH | IDE / AT |
| IMPULSE 80 AT/LP | 85 | 3.5"/HH | IDE / AT |
| IMPULSE 80 SCSI | 84 | 3.5"/HH | SCSI1 SE |
| IMPULSE 80 SCSI/LP | 85 | 3.5"/HH | SCSI2 SE |