1.4-Pin Molex to SATA Power Y Cable Adapter features two Serial ATA powerr connectors is a handy addition to your toolbox when building, upgrading or repairing computers. It connects newer SATA internal hard drives, optical drives, and motherboards to a power supply with legacy LP4, 4-pin Molex connectors. 2.15-Pin SATA power Y Cable is an indispensable tool when building, upgrading or repairing computers. It provides an inexpensive solution for adding more connections to an existing power supply with limited SATA power ports. 3.SATA III 6 Gbps Cable connects both newer SATA III and legacy SATA I, II drives to internal motherboards and host controllers, quickly upgrading your computer for expanded storage. 4.One SATA III straight data cable and one SATA III right-angle data. 5.Supports 5V SATA drives (not 3.3V) and 12V ATX power supplies.