Plug and play, no drivers needed. Turn your internal 2.5 or 3.5 SATA disk into a fast and reliable USB drive. Full backward compatibility with USB 1.1 and USB 2.0 (the performance will not be the same). Transfer speed of up to 625 MB/s with USB 3.0 (depending on the hard disk used). LED for power and activity status. Aluminum shell construction with ABS disk-tray for additional shock absorption. Tool-free design: Disassemble by pushing a button and swap disks with ease.