? Max Data Transfer Rate 40Gbps4 (USB Type C 4.0 )? Product Size 80*51*14* mm? 2-in-1 Card Reader USB Type C 40Gbps4 Type C to CFexpress Type A+B 2-in-1 Card Reader? Connector Type (s) 1* USB Type C 4.0; 1* CFexpress Type A Card Slot; 1* CFexpress Type B Card Slot.? System and Cable Requirements Ensure that your host USB-C port supports 40Gbps data transfer rate. Win 7/8/ 8.1 /10/11(32/64bit) /Mac OS/iPad OS/Linux and Android Supported.