The satdock2reu3 usb30 standalone duplicator and eraser dock lets you connect your 25in35in sata hdds or ssds through superspeed usb 30 with the ability to swap drives in and out as needed the dock also functions as a standalone drive duplicator and eraser ndash an efficient and versatile solution for external drive management featuring standalone sector by sector hard drive duplication with built in led progress bar and support for 2 drive single pass over writing the satdock22eu3 is