Direct attach the 7 positions SATA connector to the SATA host controller and fasten the PCI bracket to the rear panel of the computer. Features : Connects any external SATA drive.- Easy mounting with connected PCI Bracket Provide high bandwidth between hard drive and motherboard. Each Cable length : 30cm Connectors at Cable End-A (at Bracket) : 2 x 7 Pin eSATA Male Connectors at Cable End-B : 2 x 7 Pin SATA Female (Note : Photo attached is for reference only， it may be slightly varied in items of colour， shape from the actual item delivered from time to time)