Includes:(2) SATA extension power cable ,(2) Molex extension power cable | Cable Core: 18 AWG | Each cables comes in 300mm in length with black connectors （300 ± 10 mm） | SATA power supply extension cable is convenient for PC case internal wiring and keeping the tidy and clean. It is also very suitable for expansion from inside to outside. | 15Pin SATA Male to Female Power Extension Cable, can connect computer power to serial ATA HDD, SSD, CD-ROM, DVD burner and PCI card, extend or expand SATA power.