USB 2.0 to SATA 15 + 7 pin connector - Suitable for 2.5" SATA Hard Drive - USB 2.0 interface data transfer rates up to 480Mbps - Backwardly compatible with USB 1.0 - Double USB connectors for no need of external power to support HDD up to 7200rpn (When lack of power please plug the additional USB connector upto the computer) - 2 LED power indicators: Power-blue Read/Write-red - Powered via computer USB port no external power required - Protective Case: - Translucent hard PVC plastic material - A good protection for your HDD - Fashionable and sleek to carry around - Lightweight durable and convenient to carry any 2.5" SATA HDD - May ships in assorted color