What kind of SD card are you using? How many writes/transfer speed? The fact that the card can die on you and lose 400 GB of data gives me nightmares. I got a

What kind of SD card are you using? How many writes/transfer speed? The fact that the card can die on you and lose 400 GB of data gives me nightmares. I got a Rock Pi recently and it supports M.2 slot and eMMC that goes up to 64 GB, this makes me less nervous.