3 ms·
At least 64 GB Samsung Pro microSDXC card can write about 70-80 MB/s, read 90MB/s. But most other cards are really slow, cheap ones can write just 2-10 MB/s.
by vardump 11y ago
At least 64 GB Samsung Pro microSDXC card can write about 70-80 MB/s, read 90MB/s. But most other cards are really slow, cheap ones can write just 2-10 MB/s.