Maiwo Toll Free Docking Station 2.5inch&3.5inch SATA HDD Clone UASP K3092 Support 2pcs 2.5"/3.5" SATA HDD/SSD (SATA, SATA II, SATA III). No need PC when cloning,1:1 clone function,copy from HDD source A to target B Highly Efficient Power Adapter (12V/3A) guarantee a stable power supply USB3.0 transfer rates up to 5Gbps,backwards compatible with USB2.0 Support clone and storage function; It can be used as storage when connecting PC, used as duplicator if not connecting PC