This card reader by Delock enables you to read and write 64 different memory cards on your notebook or PC. The card reader can be connected to the USB 3.0 interface in order to achieve a faster data transfer rate of up to 5 Gbps (SuperSpeed). Furthermore the USB 3.0-A connector is compatible to its forerunners USB 2.0 and USB 1.1. Thus you can still connect the card reader to a USB 2.0 or USB 1.1 port.