Compliance with USB 3.0/USB2.0 electrical specification Support all 2.5"/3.5" SATA II/III Hard Disk Drive of any capacity Support SATAII/III Asynchronous Signal Recovery(Hot Plug) feature USB3.0 SuperSpeed SGbps MAX. Up to 10 times faster than USB2.0 Compliance with USB 2.0 electrical specification Support all 2.5"/3.5" SATA Hard Disk Drive of any capacity One Touch Backup function HDD Clone function: Autonomous high-speed cloning feature without computer connection Support hot swappable for quick access and sharing of harddrives On/Off button, Activity LEDs, LED cloning process indicators HDD ejection buttons