Add four external SuperSpeed USB 3.0 ports to your Laptop or Ultrabook from a single USB connection. Compatible with Lenovo Carbon X1, HP ProBook 4540s and Dell Inspiron 15. Ideal for Ultrabook and MacBook users with limited USB ports. Laptop accessory adding high speed USB 3.0 ports and make them more accessible. Connect peripherals and external hard drives or flash drives in the home or office.
