Use the SD and SDXC card slot on your Mac

MicroSD Slot MICRO SD CARD HOLDER, Single SIM microsd slot See reuse SD card on how to format the microSD card properly, including wiping the residues of u-boot Installation to the microSD The microSD microsdxc dedicated slot The Omega2 family has support for SD cards, with the through-hole Omega2+ featuring a built-in MicroSD slot The surface-mount Omega2S and Omega2S+ expose SDIO

surface pro 3 sd card slot microSD card slot for main storage; 40-pin expansion header; Micro-USB port for 5V power input, or for Device Mode; Gigabit Ethernet port USB ports