Vktech USB 2.0 to IDE SATA 5.25 S-ATA 2.5/3.5 Inch Adapter Cable for PC Laptop Hi-Speed USB interface provides for easy installation with its plug and play design. Compliant with both USB 2.0 and USB1.1 plug and play. Support IDE, enhanced IDE and S-ATA hard drives. External AC power (not included) input 90v-264v needs to be used to supply power to SATA/IDE device. Total length: approx. 62.5cm