Got new SATA drives that you need to connect to a system with an older power supply? Here's a solution. This is a splitter adapter is for connecting 2 internal storage devices that require 15 pin SATA power connectors to Power supplies that only have 4 pin molex power connectors. i.e. YOUR DRIVES ARE NEWER SATA, BUT YOUR COMPUTER IS AN OLDER ONE WITH MOLEX. Features a 4 pin Molex male daisy chained to two 15 pin SATA power female connectors. The SATA connectors are arranged in a a 90 degree configuration to position your cables conveniently out of the way. A nylon mesh netting is over the wires to provide a cleaner look and protection from abrasion. Warning: Molex connector provide 12V and 5V power lines, but not 3.3V required by some SATA drives. Make sure your drive does not require a 3.3V power connection before purchasing this adapter.