256GB ≈ 230GB–238GB usable. 128GB ≈ 115GB–119GB usable. 64GB ≈ 58GB–60GB usable. 32GB ≈ 28GB–30GB usable.
SanDisk Ultra Micro SD 32GB 64GB 128GB Class 10 SD Micro TF Flash Memory Card UK
SanDisk Ultra Micro SD 32GB 64GB 128GB Class 10 SD Micro TF Flash Memory Card
SanDisk Ultra Micro SD 32GB Class 10 SD Micro TF Flash Memory Card
