The Rounded Universal Floppy Drive Cable features two connectors, a 34-pin edge card and a 34-pin socket, and is designed for drive A and drive B locations. Reduce over-heating and save internal space within the CPU unit for easy movement when adding or removing hard drives, PCI cards or other adapters. Floppy Drive Cables are designed to work with 3-1/2in floppy drives, 5-1/4in floppy drives and older tape back-up drives.