The Adapter 4-Pin Molex to SATA Power Cable Adapter 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. Recycle older power supplies for repairs or replacements. Utilize the extra Molex ports on a power supply when the SATA ports are all occupied. COMPATIBLE with 5V SATA devices connecting to 12V ATX power supplies; Sample compatibility list includes Antec VP-450W Power Supply, ASUS 24x DVD-RS serial-ATA internal optical drive, ASUS DVD SATA Supermulti Burner, Coolmax 500W Power Supply, Cooler Master Elite 460W Power Supply, Crucial 256GB SATA 2.5" Internal SSD, EVGA 430W Power Supply, Intel 520 Series 120GB SATA 2.5" SSD, Kingston Digital 120GB 2.5" SSD, Kingston Digital 240GB SSDNow 2.5" SSD Important Note Supports 5V SATA drives (not 3.3V) and 12V ATX power supplies.5. IDEAL SOLUTION for the DIY computer builder or IT tech repair when installing new or replacement SATA hard drives or DVD drives to a power supply that only has Molex power ports. 4. COMPATIBLE with 5V SATA devices connecting to 12V ATX power supplies; Sample compatibility list includes Antec VP-450W Power Supply, ASUS 24x DVD-RS serial-ATA internal optical drive, ASUS DVD SATA Supermulti Burner, Coolmax 500W Power Supply, Cooler Master Elite 460W Power Supply, Crucial 256GB SATA 2.5" Internal SSD, EVGA 430W Power Supply, Intel 520 Series 120GB SATA 2.5" SSD, Kingston Digital 120GB 2.5" SSD, Kingston Digital 240GB SSDNow 2.5" SSD. 3. Molex to sata adapter installation tips - Easy plug and play installation, fixed and secure connection and it is not supported when hot plugging(when you changing the power cord, you must turn off power). 2. Molex to sata power adapter has a latch design, which is used for a secure connection on end to prevent accidental disconnections, not easy to fall off. 1. Sata power adapter is suitable for sata power cables to connect hard disk drives, solid state drives, HDD, SSD, CD drives, DVD drives, etc. Sata 15pin to molex 4pin adapter can reduce damage of sata power cables and extend the service life of sata power cable.