4 Pin to 15 Pin Power Adapter. Cable Length: 4.25". Add another SATA power cable to your system with the Athena Power Molex 4 PIN to SATA 15 PIN connector. This adapter cable features one four pin molex and and one male SATA connector with durable injection molded housings. Whether your looking to add additional hard drive or DVD drive to your system, this connector will handle it all.