SanDisk 128GB 256GB 512GB 1TB A1 Ultra Micro SDXC SanDisk 128GB Ultra MicroSD Memory Card SanDisk 256GB Memory Card SanDisk MicroSDXC 512GB Memory Card SanDisk 1TB MicroSD

Storage Capacity: 128GB/256GB/400GB/512GB/1TB（Actual user storage less）

Card Type: microSDXC

Speed Class: 10

Bus Interface Speed: UHS Class I

UHS Speed Class U1 and Speed Class 10 for Full HD video recording/playback

Data Transfer: Read Speed up to 150 MB/s

Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors.

SanDisk Memory Zone app for easy file management

Waterproof, Temperature, X-Ray, and Shock-Proof

Ideal for Android smartphones and tablets

All data storage are not exact in stated capacity. All electronic storage has hidden partitions for its functions tools. All these hidden partitions will not be shown in Windows explorer, and Disk Management does not give an option to browse contents of these partitions. Also, the binary measurement is different and not eaxct for units stated capacity. You may research for it for more info.