`- High-speed performance—leverages UHS-II technology (U3) for a read transfer speed up to 150MB/s (1000x)* - Includes microSD UHS-II reader for high-speed file transfer from card to computer, dramatically accelerating workflow** - Premium memory solution for sports camcorders, tablets, and smartphones - Designed for high-speed capture of high-quality images and extended lengths of 1080p full-HD, 3D, and 4K video - Backwards compatible with UHS-I devices, performing up to the maximum thresholds of UHS-I speed capabilities (SDR104) - Backed by expert support - Limited lifetime warranty on card and one-year limited warranty on reader *Up to 150MB/s read transfer, write speeds lower. Speeds based on internal testing. Actual performance may vary. x=150KB/s. **Highest transfer speeds achieved only when paired with a microSD UHS-II USB 3.0 reader. ***Based on 256GB capacity. HD 1080p@24fps (15 Mbps). Actual number of hours will vary depending on camera/device model, format resolution and compression, usable capacity, and bundled software. Note: Product appearance, software offerings, and packaging may vary depending on ship date and available inventory. Actual usable memory capacity may vary. 1GB equals 1 billion bytes. Actual number of photos, songs, and hours will vary depending on camera/device model, format resolution and compression, usable capacity, and bundled software.