Our highest-capacity microSD card is perfect for recording and watching Full HD video,(2) with room for even more hours of video.(7) Transfer speeds of up to 100MB/s** ensure that you can move all your content blazingly fast—up to 1200 photos in just one minute.(6) Ideal for Android-based smartphones and tablets, this card’s A1 rating means that you can load apps faster too.(1) And, with its unprecedented 400GB capacity, this card lets you capture and store more than ever before. | *1GB=1,000,000,000 bytes. Actual user storage less. | **Up to 100MB/s read speed; write speed lower. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. | (1) Results may vary based on host device, app type and other factors. | (2) Full HD (1920x1080) video support may vary based upon host device, file attributes, and other factors. | (3) Card only | (5) Download and installation required | (6) Based on 4.1GB transfer of photos (avg. file 3.5MB) with USB 3.0 reader. Results may vary based on host device, file attributes and other factors. | (7) Approximations; results and Full HD (1920x1080) video support may vary based on host device, file attributes and other factors.