TRIDENITE USB 3.2 TYPE-A UHS-II SD / MicroSD Dual Memory Card Reader Adapter (UHS-II PRO SD 4.0 + DDR-200) The SD Card slot is compatible with new UHS-II PRO SD 4.0 (two rows of pins). The MicroSD Card slot is compatible with new ddr-200 overclocked MicroSD cards. (DDR200) Both the MicroSD and SD Card slots can be accessed simultaneously.