Increased air-flow created from our Round Cables will keep your sensitive computer parts cool, meeting the increasing demands of today's computer systems. Highly flexible allowing them to be squeezed into the smallest spaces and allow you to create more complex drive configurations within your system. Our rounded IDE cables are ATA 66/100/133 compliant and backwards compatable with Ultra33, IDE/ATAPI hard drives, tape drives, zip drives, LS-120s and other IDE/ATAPI devices.