Tripp Lite's 3ft. SCSI III to SCSI II cable is used to connect SCSI Devices With HD50F Connections To A Controller With A HD68F Connection. Each cable is fully molded, built with UL 2919 double-shielded high-impedance twisted pair wire giving you the best possible throughput. These cables are built to meet ANSI specifications, to ensure speed, performance and quality. While these cables are designed to support the Sun workstation environment, they are compatible with all PC and Mac SCSI environments. Tripp Lite offers a lifetime replacement warranty on all cable products. All TRIPP LITE SCSI Cabling Is Double-Shielded (Braid And Foil). All TRIPP LITE SCSI Products, Regardless Of The SCSI Generation, Meet The Latest SCSI III Specifications Of ANSI (American National Standards Institute).