Amazon currently has SanDisk external memory on sale for up to 70% off. If you’re looking to expand your Fire TVs internal storage, now is a good time. Class 10 microSD cards are currently $9.99 for 32GB, $17.99 for 64GB, $34.99 for 128GB, and $59.99 for 200GB. For those who want USB drives, the SanDisk USB 2.0 drives are $9.99 for 32GB, $12.79 for 64GB, and $21.99 for 128GB. The higher speed and physically smaller USB 3.0 drives are $11.99 for 32GB, $13.99 for 64GB, and $24.99 for 128GB. The sale and these prices are only good for today only.