Mymemory pro microsdxc cards are the perfect partner for your high spec smartphone or tablet. Enjoy more space for photos, videos, music and apps. These superior cards offer super fast read and write speeds up to 180mb s read and 130mb s write 256gb, 128gb. Increase your phoneâs storage and performance with mymemory pro a2 microsd cards! Aside from phones, this card is designed for microsd devices such as interchangeable lens cameras, drones, and gopro action cameras that can capture full hd, 3d, and 3k video, as well as raw and burst photography. Is compatible with the uhs i bus, and features a speed class rating of v30, which guarantees minimum write speeds of 30 mb s, if your device supports v30. Application a2 performance class minimum random read 4000 iops minimum random write 2000 iops minimum sustained sequential write 10 mbytes s product features ideal for high end smartphones, drones, action, 4k and 360 video cameras. Maximise your device performance shooting hyper smooth 4k and 4k60 videos and high resolution burst mode quality still images. Be more productive with transfer speeds up to 180mb s with an appropriate 180mb s card reader video speed class 30 v30 a2 app performance specification high iops ensures best performance in compatible smartphones and tablets uhs i, class 3 specification sd adapter included specifications read speed 180mb s write speed 130mb s operating temperatures 13Âºf to 185Âºf 25Âºc to 85Âºc interface uhs i sda labels a2, v30, u3 box contents 1 x mymemory pro 128gb micro sd card sdxc 4k v30 a2 u3 uhs 1 180mb s 1 x sd adapter buy with confidence this mymemory product comes with a lifetime warranty, giving you the comfort and confidence you would expect from a well established brand. All our products are subjected to an extensive testing process before being added to our range. We hope our strong warranty periods reflect the confidence we have in the quality of our own products. Enjoy!