First Impression
SD card to PCIe Add-on card adapter design for both high speed SD3.0/SDXC/UHS-I cards and SDIO2.0/IO1.8V cards by EEPROM setting.
Besides, as 1.8V LDO is on board, not only 3.3V but also 1.8V can be applied to SD Card power by jumper.
You can easily add SD card to your Desktop PC PCI-E slot for testing not only normal SD/SDXC/UHS-I card, but also special SDIO card with 1.8V I/O signaling.