High-resolution 4K video recordings with SDXC UHS-II V90 memory card. Maximum read speed: 300 MB/s. Maximum write speed: 280 MB/s. Designed for continuous 4K video recording with a minimum write speed of 260 MB/s. Stable Stream technology provides optimal speed, performance, and reliability for stable and smooth production results. The integrated write protection switch prevents accidental deletion of files and formatting of the card. Developed and tested for harsh conditions, the card's data is protected against shocks, X-rays, moisture, and extreme temperatures. Support the latest DSLR and mirrorless camera technology with our advanced AV PRO SD MK2 V90 (SDXC UHS-II) card. Capture videos in 4K full resolution as well as sequential burst shots in RAW or JPEG format with fast, sustained write performance of 260 MB/s. Designed for temperatures ranging from -25 °C to 85 °C, suitable for use in extreme environments such as deserts, high mountains, or arctic conditions. The Video Speed Class includes five speed levels: V6, V10, V30, V60, and V90, with the number indicating the minimum write speed in megabytes per second. By combining a device with a Video Speed Class designation and an SD memory card with the same Video Speed Class designation, you can capture memories in the best quality. The fastest options, V60 and V90, support 8K resolution, while V6, V10, and V30 reliably capture Full HD and 4K resolution.