3 Pack Molex 4 Pin to 2 x 15 Pin SATA Power Cable for IDE to Serial ATA SATA Hard Drive Power Cable Adapter Brand New Generic Product Qty : 3 Use to adapt older power supply units for use with new SATA devices Upgrades your PC for faster SATA hard drives/optical drives Converts one Molex (4-pin) plug into 2 SATA (15-pin)