Simple and Efficient IB-AC6401 is a super speed USB 3.0 independent HUB. The slim design and integrated USB 3.0 cable makes it perfect for Mac or PC-Notebooks on the go. Its crowded again Are all of your USB 3.0 ports already in use? Now you can expand your PC or Notebook with 4 USB 3.0 interfaces. A 5 V DC connector is provided, so that you can connect an optional power supply (5 V / 2 A, not included) for external USB devices with high power consumption. - Aluminium case - Integrated USB 3.0 cable - Provides 4x USB 3.0 ports up to 5 Gbit/s - With 5 V DC Jack for optional power supply - LED for Power - Plug & Play and Hot Swap