Sabrent USB 3.0 to SATA Dual Bay External Hard Drive Docking Station with Built-in Cooling Fan for 2.5 or 3.5in HDD, SSD with Hard Drive Duplicator/Cloner Function [8TB Support] (EC-HDFN) Supports Standard Desktop 2.5"/3.5" SATA Hard Drives. .Offline Cloning Function with Cooling Fan. Hot-swappable, plug and play, no drivers needed. Supports hard drives up to 8TB with USB 3.0 Reverse compatible with USB 1.1 & USB 2.0. Available USB 3.0 for high speed data transfer Reverse compatible with USB 1.1 &amp; USB 2.0. Windows: 2000/XP/Vista/7/8 (Both 32-bit &amp; 64-bit versions) MAC: OS X Sabrent EC-HDFN Hard Drive Dock Power Supply USB 3.0 cable User Manual