The WD/SanDisk Retail's SDSQUNI-256G-GN6MA microSDXC card delivers robust and ample storage of 256GB, catering to the needs of mobile device users seeking to enhance their storage capacity for photos, videos, and apps. Featuring UHS-I and Class 10 specifications, this microSD card offers flawless performance for recording and playing back HD videos, and its high-speed interface ensures smooth and speedy file transfers with minimum write speeds of 10MB/s. The inclusion of an adapter broadens its applicability across a wider range of devices, accommodating both microSD and standard SD card slots. This card stands out for its uncompromised durability, designed to be waterproof, temperature-proof, shockproof, and X-ray proof, safeguarding your valuable data in almost any environment you find yourself in.