Works seamlessly with your Chromebook. The SanDisk Ultra® microSD™ UHS-I card gives you the freedom to store and access your photos, videos, files and more. It’s tested and certified to work seamlessly with Chromebooks, giving you peace of mind right from the start. With capacities up to 256GB, you’ll have room for hours of Full HD video4 and transfer speeds of up to 120MB/s help you move your content fast.