Colour of cable is SATA-Red Connects an external eSATA device to a SATA controller! eSATA 7 Pin Male to SATA 7 Pin Male Supports SATA II speeds of up to 3Gbit/sec Ideal for using newer eSATA equipped external drive housings with older SATA controllers Standard 8mm eSATA connector. N.B. some devices use non-standard 10mm connectors. Please check with your manufacturer.