Upstream port: USB Downstream port: 3.5-inch SATA HDD/SSD Suitable for 2.5/3.5-inch HDD/SSD, up to 2 x 16TB USB 3.0 has a maximum transfer rate of 450MB/S and can transfer large files in seconds Provides easy access to two 2.5/3.5-inch HDD SSD SATA I/II/III drives, which is the perfect solution for backing up and processing IT data, batch processing of data, data recovery, formatting and file transfer Easy to operate, no driver required, plug-and-play Note: 1. If there is information on the target disk, please back it up because all information on the target disk will be deleted after cloning. 2. The memory of the target disk must be greater than or equal to the memory of the source disk, otherwise the cloning will fail. 3. Make sure the USB cable is disconnected from any computer. 4. Do not move the hard drive or turn off the device during the cloning process. 5. Press and hold the clone button for 3-6 seconds until the indicator light turns on to start the cloning process. 6. For the safety of the hard disk, do not remove the hard disk when the device is powered on. 7. The cloning time depends on the hard disk memory size. 8. The hard drive may not be recognized after cloning. Please go into Computer Management - Disk Management and you will see one of them shown as offline. 9. Pay attention during the operation, because the cloning time may cause the hard disk to overheat.