The StarTech 6" Slimline SATA to SATA Adapter enables you to connect your optical drive to your computer's central processing unit. It has a Slimline Serial connector on one end and a standard data connector on the other. The SATA cable end fitted with the data connector also has a power connector. The cable is 6 inches long and fits all standard desktop processing units. The Slimline SATA cable comes with one receptacle and one plug. Both cables allow you to connect data and power at the same time. This adapter allows a connection to be made between the optical drive and standard motherboard and power supply.StarTech 6" Slimline SATA to SATA Adapter with Power:1 x Slimline SATA (Data and Power) receptacle1 x SATA (Data and Power) plugStarTech SATA cable with power offers 6" cable length