Tripp Lite''s internal 24in (2ft) 50pin SCSI ribbon cable has 3 connectors and is used to connect 50pin internal devices. This is the internal 50-pin ribbon cable required for narrow and wide SCSI applications (sometimes called SCSI-1 or SCSI-2). Perfect for internal CD-ROM drives and hard drives. Our products are fully tested and certified to meet or exceed applicable industry standards. Tripp Lite warrants this product to be free from defects in materials and workmanship for life.