The SanDisk Ultra microSDXC UHS-I memory card offers 256GB storage capacity with transfer speeds up to 100MB/s. This A1-rated card is designed for use in smartphones and tablets, providing ample space for apps, photos, videos and other digital content. Key features: • 256GB Storage Capacity • Transfer speeds up to 100MB/s • A1 Application Performance Rating • Class 10 for Full HD video recording • UHS-I Interface • Compatible with Android smartphones and tablets The card features the SanDisk Memory Zone app compatibility for easy file management and automatic content transfer. The A1 performance rating ensures faster app loading when running applications directly from the card. With UHS-I technology and Class 10 speed rating, it's ideal for capturing and storing high-resolution photos and Full HD videos. The model number SDSQUA4-256G-GN6MN indicates this is an authentic SanDisk product with full manufacturer specifications.