The SDSQXA1-256G-GN6MN is a rugged 256GB microSDXC (TF) Extreme flash card from WD/SanDisk Retail, boasting an impressive speed class rating of Class 10 and UHS-I interface with speeds up to 160mb/s. Designed for action cameras, drones, and Android smartphones, it features V30 video speed class certification ensuring smooth 4K UHD video recording and playback without interruption. Its A2 rating for app performance means faster app loading and better smartphone performance. This card is ideal for adventure enthusiasts and content creators who require fast, reliable storage that can keep up with their demanding lifestyle. It's engineered to withstand harsh conditions, being temperature-proof, waterproof, shockproof, and x-ray proof.