Most of computer geeks always have many hard disk drives. Some in computers, but some not. Then through the hdd docking station, make use of those inactive hard disk drives.
The docking station is called double HDD Stage Rack Clone Plus. Just as the name implies, the HDD docking station comes with two divided slots compatible with all 2.5 and 3.5 inches hard disk drive (HHD) and solid state drive (SSD). It means that the docking station features both of USB 2.0 and eSATA interface standards. apart from that, via the integrated clone function you also can clone/copy your data from one hard disks to another with ease. The HDD docking station measures 143 x 70 x 132 mm. The pack includes AC adapter, USB cable, and eSATA cable.
The Double HDD Stage Rack Clone Plus is priced at about $109.3 USD. If you need, the docking station is available at ThinkGeek.
By the way, the USB 3.0 docking station or multifunctional docking station might be your choice.