| Name | Description | Diagram | Photo |
| DB-25 | Mostly used by Apple/Mac computers. |
|
|
|---|---|---|---|
| Centronics 50 |
|
| |
| Sun DG-50 | Used on old Sun-3 Computers. |
|
|
| HD-50 | Used on many Sun-4 and Intel/PC computers. |
|
|
| HD-68 | Used by All Fast/Wide (16-bit) adapters. |
|
|
| VHDCI-68 or MCX-68 | Common external interface on high-end SCSI cards. |
| |
| SCA 80-pin or MCX-80 | Used in SCSI backplanes. Contains power, SCSI ID and Data in one convenient hot-plugable connector. |
|