FAT fail
File Allocation Table is terrible design for SSD devices because it requires that the first storage blocks (where the table is stored) are re-written over and over again reducing the life of the device, and is a fixed size irrespective of the size or number of the files .. but has the single advantage of being simple (and standard - copied from CP/M). Things would be different had MS licenced the NTFS format or Unix i-node file-system been open source.. but we are where we are