Shoot without Limits with the World''s Highest Capacity SDXC Card With write speeds up to 90 MB/s and recording at the UHS Speed Class 3 (U3) rating, our most powerful, highest capacity UHS-I SD memory card enables your DSLR, advanced digital or HD video camera to deliver high resolution, real-world color and stutter-free video. Transfer speeds up to 95 MB/s ensure that your data moves fast for a more efficient post-production workflow. Shot speeds up to 90MB/s; transfer speeds up to 95 MB/s Engineered to capture 4K Ultra High Definition Up to 512GB capacity for uninterrupted video capture at super-fast UHS Speed Class 3 (U3) Built for and tested in harsh conditions; temperature proof, water proof, shock proof, and x-ray proof Limited lifetime warranty