https://autelpilots.com/threads/sd-card-support.9574/#post-87536:~:text=Think%20of%20common%20interest...%20just%20tried%20a%20400GB%20SD%20card%20lying%20around%20(Sandisk%20Extreme)%20to%20put%20in%20the%20Nano%2B.%20Was%20recognized%20without%20a%20problem%20and%20works%20correctly