1. mainly use to connect the sata hard disk and the IC for computer. 2. connector: 7pin with latch straigth male to straight male 3. colour: red, yellow, blue, white, black....... 4. length: 10cm, 20cm, 30cm, 50cm, 70cm, 100cm... ************************************************** we supply all kinds of sata cable: sata series, esata series, mini series, sata-power series, adaper.