1) 100% brand new compatible with any hot swappable 2.5 inch SATA hard drive
2) Powered via computer's USB port - no external power required
3) USB 3.0 interface supports hot plug and play data transfer rates up to 5.0Gbps
4) Dual USB connectors to provide additional power if needed
5) Length: 20cm
6) The line only supports 5V electricity supply so the only hard drive connected to adapt to the rated voltage of 5V