" The KIOXIA EXCERIA High Endurance 256GB microSDXC card performs great for its speed class, going in-line with the declared numbers. It uses BiCS 3D Flash memory from Toshiba and comes with very useful features such as waterproof, shockproof, X-ray proofing, temperature durability, ESD immunity but also overheating/ignition prevention. "



Link: Madshrimps