ViewHD Premium Quality USB 3.0 6-Port Hub with Card Reader & On/Off Switch + 12V 4A Power Adapter + USB Cable in Full Metal Case (Black) | VHD-U3P6B Premium Quality Reliable Product in Elegant Black Metal Jacket for Durability and Heat Dissipation The Newest Low Power and Best Compatiblity VL812 USB 3.0 Chipset Delivers the Best Performance Comes with the Highest Capacity 12V 4A Power Adapter for Stability and Performance; Can Provide 500mA Current Per Port With Integrated Memory Card Reader for Super Fast File Transfer With On/Off Switch Button for Safety / Low Power and Reliability; ViewHD One Year Warranty