Simply connect the 4pin male connector to a 4pin female connector which supplied by your computer power adapter Suitable for 3.5” SATA Hard Disk, 3.5” SATA CD-ROM; DVD-ROM; DVD-R/W; CD-R/W and so on power two SATA drives using a single LP4 connection to the computer power supply Length: 20cm Connector a: 2x 15pin female connector, Connector b: 1x 4 pin male connector
