The best of both worlds: One fast USB 3 port.1 (Gen 1) for fast data connection, e.g. to an external hard drive Three USB 2 ports.0 for connecting standard peripherals (mouse, keyboard, printer, etc.)) Features 4-port USB hub with integrated cable Durable and stylish aluminum design 1x USB 3 port.1 (Gen 1) with SuperSpeed technology, transfer speed 5 Gb/s 3x USB 2 ports.0 Interface Specification: USB 3.1, backward compatible with USB 3 interface.0/2.0 Input: 1x USB Type-A male, 12cm cable Output: 3x USB 2.0 type A female + 1x USB 3.1 type A female Data transfer rate: 5 Gbit/s for USB 3.1, 480 Mbps for USB 2.0 Dimensions (LxWxH): 90 x 28 x 10 mm Net weight: 35 g