Shoot save and share more than ever before The SanDisk Ultra microSDXC UHS-I card is perfect for recording and watching Full HD video with room for even more hours of video. Transfer speeds of up to 100MB/s (64GB-512GB only) ensure that you can move all your content blazingly fastup to 1000 photos in just one minute. Ideal for Android-based smartphones and tablets this cards A1 rating means that you can load apps faster too. Compatible With Your Devices SanDisk cards are compatible with Android smartphones and tablets. Capture and Store Even More Hours of Full HD Video With a breakthrough capacity of up to 512GB you can store even more hours of Full HD video on the card without worrying about running out of room for the videos photos music movies and other files you want to shoot save and share. Transfer Speeds of up to 100MB/s Blazing transfer speeds mean that your content moves fast letting you move up to 1000 photos in a minute. Load Apps Faster with A1-rated performance Rated A1 the SanDisk Ultra microSD card is optimized for apps delivering faster app launch and performance that provides a better smartphone experience. Full HD Video Capture Class 10 speed rating allows you to shoot Full HD video and high quality photos. SanDisk Memory Zone App for Easy File Management Available from the Google Play store the SanDisk Memory Zone app lets you view access and back up your phone's files in one location. It can also automatically move files from your device to your memory card to free up space.