Choose SDXC for anything over 32GB. These use the modern exFAT file system, which handles larger files better than the older FAT32 used in SDHC cards.
These cards are programmed to "lie" to your computer about their true capacity. Once you fill them past their actual physical limit, they often corrupt files or create dummy files like uupd.bin .
When shopping, use these ratings to find the right balance of price and power: