The SenseVision USB 3.0 Hub 4-Port with Power Adapter is designed in a stylish manner and very slim which makes it easy to carry around. The CSV-1431 allows you simultaneous access to 4 x USB 3.0 ports from just one single USB 3.0 uplink.. The CSV-1431 comes standard with a Power Adapter so that the user can connect even the most power-hungry USB devices like External HDD Drives, Digital Camera, Mobile Phones etc. The 4 USB ports are all USB Type A and USB 3.0 compliant and downward compatible to USB2.0 standard, but this will have influence on the performance.