This handy SCSI ribbon cable converts an available internal channel on a SCSI controller card to an external SCSI Port(HD68F). All TRIPP LITE SCSI products, regardless of the SCSI generation, meet the latest SCSI specifications of ANSI (American National Standards Institute). SCSI (Small Computer System Interface) is a set of standards developed by ANSI. Each generation has improved communication speed and ease of use. Since all SCSI generations are backwards-compatible, they ensure your cabling investment will always keep pace with technology.