Power an LP4 Molex device from a SATA Power connection on your computer power supply. The LP4SATAFM12 SATA to LP4 Power Cable Adapter enables you to power 4-pin Molex devices (i.e. hard drive, DVD-ROM drive, add-in card, etc.) from a SATA power connector on your computer power supply. Offering 12 inches in cable length, the cable allows you to position your devices as needed within the system case.