MINIX has tested the NEO Z83-4 with up to a 128GB microSD card. They said they have not tried any larger ones. I would check out these reviews before buy one so you get one with a high Write speed. Most microSD's when advertised are Read speeds. https://havecamerawi...t-micros...
MINIX NEO Z83-4U Ubuntu mini PC specifications with bold highlights showing differences against NEO Z83-4 Pro model: SoC – Intel Atom x5-Z8350 “Cherry Trail” quad core processor @ 1.44 GHz / 1.92 GHz (Turbo) with 12 EU Intel Graphics HD graphics 400 @ 200 / 500 MHz (2W SDP) ...