Acasis BA-12US 3.5-Inch SATA USB3.0 Dual Hard Drive HDD Docking Station Hard Disk Offline Cloning Duplicator Box AC Adapter: Yes Material: Plastic Dimensions: 110mm(D) x 150mm(W) x 80mm(H) HDD Count Supported: Dual HDD Maximum Capacity (per Bay): Up to 4TB Weight: 300g Package Contents: Acasis BA-12US *1 Standard Power Cord * 1 Standard Adapter * 1 Standard USB cable * 1 Product Manual * 1 Size: USB 3.0 3.5