Generic SATA/PATA/IDE Drive to USB 2.0 Adapter Converter Cable for 2.5 / 3.5 Inch Hard Drive / 5 inch Optical Drive with External AC Power Adapter Connect to the IDE device using USB interface and SATA device too Transfer rate upto 480MBps (USB 2.0 specification), limit depend on the IDE device/SATA device and the driver Supports SATA Hard Disk / ATA/ATAPI CD-ROM/R/RW DVD-ROM (based on ATAPI spec.) External power adapter included, for power up the 5V/12V IDE/ATAPI devices Usage For easy connect to the IDE device / SATA device and make the hard disk device more portable