Sabrent USB 3.0 TO SATA/SATA II Aluminum Hard Drive Enclosure with cooling fan (EC-7F83) Refer the user manual below for troubleshooting Ultra Light Aluminum Case Easy access on PC or Notebook Supports 480Mbps high-speed data transfers Built in Cooling Fan to reduce Heat. Hot-swappable 2.0/1.1/ 1.0 Supports Wakeup ability