Adaptec ACK-3121 Cable int Power 4-pin mini connector

ACK-3121 - Adaptec internal power cable converter 4-pin to 4-pin / 4-pin mini Perfect for use with the Adaptec USB 2.0/1394 Combo Card Kit (DuoConnect), the ACK-3121 is an Adaptec internal power cable converter, from a standard 4 pin drive connector available on PC power supply unit cables, to 4-pin mini power connector for the Adaptec card. This converter is not required if a power connector for floppy drive is already available in the computer. All Adaptec cables adhere to strict industry specifications to ensure maximum performance and data integrity. Length=12 inches.