Monoprice 108793 12-Inch 4-Pin Molex Male to 2 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 12" adapter cable plugs into a 4-pin Molex power plug and provides two 15-pin SATA power connectors