Ideal for all your needs: For 4K Ultra HD video recording and high speed continuous shooting the Kodak UHS-II U3 V90 SDXC Memory Card offers a 256GB storage capacity for all your needs Up to 230MB/s write speeds: Ideal for the use in DSL Reflex professional cameras for high speed continuous and/or raw shootings, 4K/8K recording and 360 degree video. Up to 290MB/s read speeds: For super-fast transfer of high-resolution pictures, 4K/8K videos from the card onto your computer or any SD-compatible devices. UHS Speed Class 3 (U3), Video Speed Class 90 (V90): Optimized for 4K (3840x2160p) / 8K (7680 × 4320) FULL HD video recording and playback. 256GB Storage Capacity: Because 4K / 8Kvideos and raw shooting pictures not only require significantly higher write and read performances, but also higher space on the card.