Designed for drones, action cameras, smartphones, tablets, and gaming consoles, the 256GB AV PRO UHS-I microSDXC Memory Card from Angelbird lets you capture video at resolutions up to 6K, as well as raw and continuous burst photos. This card features a storage capacity of 256GB and delivers maximum read speeds of 100 MB/s, sustained read speeds of 95 MB/s, maximum write speeds of 90 MB/s, and sustained write speeds of 80 MB/s. This card has also been classified with the V30 Video Speed Class rating, which guarantees that write speeds won't drop below 30 MB/s. To better accommodate mobile users, its A2 class rating will help apps load more quickly and perform more efficiently.