Kingwin Power Dock USB 3.0 Dual Bay Clone Docking Station (PD-2537U3) Video Review
 

" If you need a simple and affordable way of duplicating or backing up drives without the use of a computer system, the Kingwin Power Dock USB 3.0 Dual Bay Clone Docking Station (PD-2537U3) would be it. Of course it can be connected to a computer system and used as an external HDD enclosure. It's USB3 and is compatible with 2.5"/3.5" SSD/HDD SATA drives up to 4TB is capacity. A very handy product to have around! " ~3dGameMan.com

http://3dgameman.com/reviews/1720/ki...tion-pd-2537u3