The Angelbird 128 GB UHS-I V30 microSDXC AV PRO MK2 Memory Card is a 128 GB microSD card rated V30. It reads at up to 210 MB/s, writes at up to 75 MB/s, and never drops below 30 MB/s. The card is magnet resistant, shockproof, static proof, weatherproof, and X-ray proof.