Lexar 512GB UHS-I microSDXC Overview Designed for portable gaming devices, smartphones, and tablets, the 512GB PLAY UHS-I microSDXC Memory Card from Lexar offers up to 512GB of storage and delivers read speeds of up to 150 MB/s so you can achieve fast transfer speeds and quick load times for videos, movies, games, music, and other content. It is compatible with the UHS-I bus and features a speed class rating of V30 / U3, both of which guarantee minimum write speeds of 30 MB/s, making this card suitable to capture UHD 4K and Full HD 1080p video, plus still photos. If your device does not support the V30 or U3 standards, this card also supports the Class 10 standard, which guarantees minimum write speeds of 10 MB/s. To further accelerate mobile performance, this card is A1 rated, so apps and other content will load more quickly. General Features Unleash Your Entertainment Great for use with your portable gaming device, smartphone, or tablet, the Lexar PLAY UHS-I microSDXC card makes it easy to quickly load and transfer all your favorite media files, including movies, photos, music, games, and books. Connect to What You Want Faster Cut down delays with fast transfer speeds of up to 150 MB/s and get A1-rated performance, so you can load apps faster on your mobile devices and play more of what you love without missing a beat. Immense Capacity for Your Favorite Content With up to 512GB of space, this card gives you the speed and space you need to capture, transfer, store, and share more of what you love. Capture of Playback Moments You can quickly capture, playback, and transfer a large amount of video, making it easy to store your greatest moments and then relive the action. With minimum write speeds of 30 MB/s, this card can capture UHD 4K and Full HD 1080p video.