Monoprice 108794 24-Inch 4-Pin Molex Male to 4 15-Pin SATA II Female Power Cable Net Jacket The Serial ATA standard provides for the adoption of a new 15-pin drive power connector replacing the ubiquitous 4-pin Molex connector However existing system cases and power supplies may have an insufficient number of SATA power connectors while still retaining the older Molex connectors This 24" adapter cable plugs into a 4-pin Molex power plug and provides four 15-pin SATA power connectors