Backwards compatibility with previous SCSI generations Supports all SCSI transfer rates through 320Mbps LVD/SE compliant Double shielded (foil and braid) 34 twisted pair conductors All Tripp Lite SCSI products, regardless of the SCSI generation, meet the latest specifications of ANSI Tripp Lite offers a complete line of internal and external solutions for SCSI/RAID and fibre channel ranging from the very latest Ultra 320 to legacy SCSI-1 and every combination in between Tripp Lite warrants this product to be free from defects in materials and workmanship for life