This 24 inch Ultra ATA IDE cable is designed to connect internal devices in your computer to the motherboard‎.‎ Round IDE cables are much more flexible than regular IDE cables and provide better air flow throughout the computer‎.‎ Devices that use IDE cables can include CD‎-ROMs‎,‎ Zip drives‎,‎ hard drives‎,‎ DVD‎-ROMs‎,‎ CD burners‎,‎ etc‎.‎ IDE slots on the motherboard can only support up to 2 devices‎.‎ Some IDE cables have more connectors‎.‎ Those cables are for cases or situations where you need to have a longer cable or to have some variety and options to place the devices where you choose‎.‎‎;‎ Search Terms‎:‎ Ultra ATA‎,‎IDC 40‎,‎IDE Cables‎,‎24 inch IDE Cables‎,‎2 Device Internal Cables