SanDisk 256GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card for Chromebook, Speed Up to 120MB/s (SDSQUA4-256G-GN6FA)

Tested and certified to work seamlessly with Chromebooks Up to 120MB/s transfer speeds let you move photos and files fast Load Android apps faster with A1-rated performance Class 10 for Full HD video playback - watch right from the card Water-proof, temperature proof, X-ray proof, magnet proof, shock proof