Vantec NexStar DX (VANTEC 8XDVD WRITER NST-510S3D-DV)- HDD Interface: Standard SATA, External Interface: Super Speed USB 3.0, Connectivity: USB 3.0 Type A to Type B cable, USB cable Length: 36 inches / 914 mm, Power Supply: Universal Switching AC adapter, 12V/2A, Product Dimensions: 9.9 x 6.7 x 1.9 inches / 252 x 172 x 49 mm, Product Weight: 25 ozs / 709 g