The SanDisk Ultra® microSD™ UHS-I card lets you store, record, and share more files than ever before. With capacities up to 1TB1, the SanDisk Ultra microSD card stores even more hours of Full HD video4 and offers transfer speeds of up to 140MB/s2 so you can move your data quickly. It's perfectly suited for Android™ smartphones and tablets, and with an A1 performance rating, apps load faster. #13#10#13#10The SanDisk Ultra® microSD™ card, rated A13, is optimized for apps, so they launch and run faster, making your smartphone experience more enjoyable. #13#10 #13#10Available in the Google Play™ store, the SanDisk® Memory Zone™ app lets you browse, transfer, and back up your phone's files in one place. It also automatically transfers files from your device to the drive to free up space.7Software must be downloaded separately.