The CD/DVD-ROM SLIM formats or reduced (about 1.5cm high) use a specific connector 50-pin where you transfer data, audio and power to the unit. This adapter separates these signals from the 50-pin connector and transports them to the connectors commonly found in desktop computers such as the SATA interface. In this adapter, SATA connector is a 7-pin Male for data, paa MOLEX 4-pin power supply (typical of the floppy connector) and also adds two connectors for CD-Audio 4-pin analog. Essential for attaching CD/DVD SLIM formats to a PC with SATA port.