This USB 3.0 to SATA IDE Hard Disk Adapter supports 2.5/3.5 inch SATA/IDE HDD SSD and 5.25 inch CD/DVD ROM. It has a transfer rate of up to 5Gbps, On/Off Switch for HDD protection, and an LED activity indicator. The adapter is plug and play, simple, reliable, and stable. It comes with a 1M USB3.0 data cable and a large 4P to small 4P power cable. A 12V DC Power adapter is optional for 3.5 devices.