24" 40-Pin (80-Wire) Ultra ATA 2-Drive Round Cable, UV Sensitive, Manhattan 344715 24" Ultra IDE 80-Wire Round Cable UV Light Sensitive 3 Connectors for 2 Devices For Ultra ATA/100, Ultra ATA/66, Ultra ATA/33 and DMA, and with EIDE/IDE hard drives &amp; CD-ROM drives Round cable design increases air flow inside case