The Digi Chip 64GB Micro-SD memory card is fully compatible with the Kindle Fire tablets. It has fast data transfer speeds and is UHS-1 Video speed V30 rated meaning that it is optimized for 4K video recording and playback. It is also App speed A1 meaning that it will save and load apps at high speeds. This 64GB Micro SD memory card is the perfect solution to add extra storage top your Kindle Fire tablet.