Summary of SCSI Cables and Connectors

Reprinted, with permission, from The PC Guide
Summary of SCSI Cables and Connectors
 Reference Guide - Hard Disk Drives 

The table below provides a quick reference summary of the different connector types used for both internal and external SCSI cables:

Cable Type

Connector "Alternative"

Connector Type

Contacts

Cable Name

External

1

High Density

50

External High Density "A" Cable

2

Centronics

50

External Centronics "A" Cable

3

High Density

68

External High Density "P" Cable

4

VHDCI

68

External Very High Density "P" Cable

Internal

1

High Density

50

Internal High Density "A" Cable

2

Regular Density

50

Internal Regular Density "A" Cable

3

High Density

68

Internal High Density "P" Cable

4

SCA

80

(n/a)

Note: I only included current connector types; for a description of the older D-shell connectors that were formerly internal connector "alternative 1", see the page on connector types.

Next: SCSI Configuration