Mine is a cheap one, it does not have an external sdcard slot. It just has the internal 32GB, 1 usb3 and 1 usb2 slot and the HDMI port (and wireless and blueto

Mine is a cheap one, it does not have an external sdcard slot. It just has the internal 32GB, 1 usb3 and 1 usb2 slot and the HDMI port (and wireless and bluetooth). So i could boot from an external USB, but that kinda kills the point of the computer stick :)