Capture more fast action and record more Full HD or 4K Ultra HD-ready video1 with your Android™ based smartphone or MIL camera. SanDisk Extreme cards are built tough for extreme durability even under challenging environmental conditions. Fast write speeds reduce the time you’re on hold while your pictures and videos move to your card, or from your card to your computer. Storage capacities from 16GB to 64GB2 expand device memory and leave room to record video that’s ready for the new 4K Ultra HD television screens and monitors.