SanDisk Extreme memory card 256 GB from SanDisk

Specifications and features: Reading speeds: up to 160 - 190 MB/s (depending on the version and technology used such as SanDisk QuickFlow). Writing speeds: up to 90 MB/s, allowing for quick motion photos. Speed classes: classified as V30 (for steady video speed) and U3 (UHS Speed Class 3) to ensure 4K video recording without interruption. Application performance: rated A2, providing faster application operation when used in smartphones. Water and shock resistant. X-ray proof. Tolerant to high and low temperatures.