Simply attach the IDE power and IDE/SATA drives, connect the 12V DC power adapter, turn on the adapter power switch, and plug the USB cable into your computer and the drives are automatically recognized.UGREEN USB IDE Adapter USB 3.0 to Sata IDE Hard Drive Converter Combo for 2.5' 3.5' IDE SATA SSD Hard Drives Disks with 12V 2A Power Adapter and USB 3.0 Cable for Laptop.