SanDisk Ultra 32GB A1 120MB / s Class 10 UHS-I microSDHC Memory Card
SanDisk Ultra cards could be too slow for these devices. Raspberry Pi Board. Capacities from 32GB–1.5TB. File Format – FAT32 (32GB) / exFAT (64GB to 1.5TB). 32GB 50,304 28,928 19,040 6,080 3,264 2,176 696,512.